./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/longjmp/68-longjmp_11-counting-return_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_11-counting-return_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 cd78c21c73bada66512b824cc4e2ebd848fac3560a8dab44f52c57ce628056b3 --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-30 10:15:13,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-30 10:15:13,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-04-30 10:15:13,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-30 10:15:13,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-30 10:15:13,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-30 10:15:13,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-30 10:15:13,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-30 10:15:13,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-30 10:15:13,597 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-30 10:15:13,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-30 10:15:13,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-30 10:15:13,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-30 10:15:13,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-30 10:15:13,598 INFO L153 SettingsManager]: * Use SBE=true [2025-04-30 10:15:13,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-30 10:15:13,599 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:15:13,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:15:13,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-30 10:15:13,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:15:13,600 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-30 10:15:13,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:15:13,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:15:13,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-30 10:15:13,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-30 10:15:13,600 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-30 10:15:13,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-30 10:15:13,600 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-30 10:15:13,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-30 10:15:13,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-30 10:15:13,600 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-30 10:15:13,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-30 10:15:13,600 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 -> cd78c21c73bada66512b824cc4e2ebd848fac3560a8dab44f52c57ce628056b3 [2025-04-30 10:15:13,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-30 10:15:13,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-30 10:15:13,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-30 10:15:13,820 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-30 10:15:13,820 INFO L274 PluginConnector]: CDTParser initialized [2025-04-30 10:15:13,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_11-counting-return_true.i [2025-04-30 10:15:15,139 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae2dba7eb/e1546599e9a44ebab9896d448852b223/FLAGcccb28ab3 [2025-04-30 10:15:15,322 INFO L389 CDTParser]: Found 1 translation units. [2025-04-30 10:15:15,322 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_11-counting-return_true.i [2025-04-30 10:15:15,327 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae2dba7eb/e1546599e9a44ebab9896d448852b223/FLAGcccb28ab3 [2025-04-30 10:15:16,139 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae2dba7eb/e1546599e9a44ebab9896d448852b223 [2025-04-30 10:15:16,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-30 10:15:16,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-30 10:15:16,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-30 10:15:16,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-30 10:15:16,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-30 10:15:16,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f760c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16, skipping insertion in model container [2025-04-30 10:15:16,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-30 10:15:16,278 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_11-counting-return_true.i[1089,1102] [2025-04-30 10:15:16,288 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:15:16,297 INFO L200 MainTranslator]: Completed pre-run [2025-04-30 10:15:16,314 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_11-counting-return_true.i[1089,1102] [2025-04-30 10:15:16,323 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:15:16,336 INFO L204 MainTranslator]: Completed translation [2025-04-30 10:15:16,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16 WrapperNode [2025-04-30 10:15:16,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-30 10:15:16,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-30 10:15:16,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-30 10:15:16,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-30 10:15:16,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,363 INFO L138 Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2025-04-30 10:15:16,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-30 10:15:16,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-30 10:15:16,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-30 10:15:16,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-30 10:15:16,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,382 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 10:15:16,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,388 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-30 10:15:16,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-30 10:15:16,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-30 10:15:16,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-30 10:15:16,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (1/1) ... [2025-04-30 10:15:16,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:15:16,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:15:16,429 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 10:15:16,431 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 10:15:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-30 10:15:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-30 10:15:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-30 10:15:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-30 10:15:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-04-30 10:15:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-04-30 10:15:16,486 INFO L234 CfgBuilder]: Building ICFG [2025-04-30 10:15:16,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-30 10:15:16,591 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-04-30 10:15:16,592 INFO L283 CfgBuilder]: Performing block encoding [2025-04-30 10:15:16,600 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-30 10:15:16,600 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-04-30 10:15:16,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:15:16 BoogieIcfgContainer [2025-04-30 10:15:16,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-30 10:15:16,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-30 10:15:16,604 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-30 10:15:16,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-30 10:15:16,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 10:15:16" (1/3) ... [2025-04-30 10:15:16,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441fa9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:15:16, skipping insertion in model container [2025-04-30 10:15:16,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:16" (2/3) ... [2025-04-30 10:15:16,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441fa9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:15:16, skipping insertion in model container [2025-04-30 10:15:16,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:15:16" (3/3) ... [2025-04-30 10:15:16,611 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_11-counting-return_true.i [2025-04-30 10:15:16,624 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-30 10:15:16,626 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_11-counting-return_true.i that has 2 procedures, 17 locations, 22 edges, 1 initial locations, 1 loop locations, and 2 error locations. [2025-04-30 10:15:16,666 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-30 10:15:16,673 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;@1a42ef34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-30 10:15:16,673 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-30 10:15:16,677 INFO L278 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-04-30 10:15:16,680 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-04-30 10:15:16,681 INFO L210 NwaCegarLoop]: Found error trace [2025-04-30 10:15:16,681 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:15:16,681 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-30 10:15:16,685 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:15:16,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1816863907, now seen corresponding path program 1 times [2025-04-30 10:15:16,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:15:16,691 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120031602] [2025-04-30 10:15:16,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:15:16,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:15:16,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-30 10:15:16,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-30 10:15:16,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:16,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:15:16,916 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 10:15:16,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:15:16,917 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120031602] [2025-04-30 10:15:16,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120031602] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:15:16,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:15:16,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-30 10:15:16,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457855127] [2025-04-30 10:15:16,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:15:16,924 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:15:16,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:15:16,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:15:16,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:15:16,940 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.0) 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 10:15:16,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-30 10:15:16,958 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2025-04-30 10:15:16,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:15:16,960 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) 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 10:15:16,960 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-30 10:15:16,963 INFO L225 Difference]: With dead ends: 25 [2025-04-30 10:15:16,963 INFO L226 Difference]: Without dead ends: 12 [2025-04-30 10:15:16,965 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 10:15:16,967 INFO L437 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-30 10:15:16,968 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-30 10:15:16,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2025-04-30 10:15:16,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2025-04-30 10:15:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 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 10:15:16,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2025-04-30 10:15:16,988 INFO L79 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2025-04-30 10:15:16,988 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-30 10:15:16,988 INFO L485 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2025-04-30 10:15:16,988 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) 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 10:15:16,988 INFO L278 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2025-04-30 10:15:16,989 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-04-30 10:15:16,989 INFO L210 NwaCegarLoop]: Found error trace [2025-04-30 10:15:16,989 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:15:16,989 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-30 10:15:16,989 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-30 10:15:16,990 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:15:16,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1805722073, now seen corresponding path program 1 times [2025-04-30 10:15:16,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:15:16,990 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3472840] [2025-04-30 10:15:16,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:15:16,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:15:17,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-30 10:15:17,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-30 10:15:17,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:17,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:15:17,171 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 10:15:17,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:15:17,171 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3472840] [2025-04-30 10:15:17,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3472840] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:15:17,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:15:17,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-30 10:15:17,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645677336] [2025-04-30 10:15:17,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:15:17,172 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-30 10:15:17,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:15:17,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-30 10:15:17,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-04-30 10:15:17,173 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-30 10:15:17,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-30 10:15:17,225 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2025-04-30 10:15:17,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-30 10:15:17,228 INFO L79 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-04-30 10:15:17,228 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-30 10:15:17,228 INFO L225 Difference]: With dead ends: 12 [2025-04-30 10:15:17,228 INFO L226 Difference]: Without dead ends: 10 [2025-04-30 10:15:17,228 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-04-30 10:15:17,229 INFO L437 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-30 10:15:17,229 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 20 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-30 10:15:17,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-04-30 10:15:17,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2025-04-30 10:15:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-04-30 10:15:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2025-04-30 10:15:17,234 INFO L79 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 7 [2025-04-30 10:15:17,234 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-30 10:15:17,234 INFO L485 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2025-04-30 10:15:17,235 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-30 10:15:17,235 INFO L278 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2025-04-30 10:15:17,235 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-04-30 10:15:17,235 INFO L210 NwaCegarLoop]: Found error trace [2025-04-30 10:15:17,235 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:15:17,235 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-30 10:15:17,235 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-30 10:15:17,236 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:15:17,237 INFO L85 PathProgramCache]: Analyzing trace with hash 132279424, now seen corresponding path program 1 times [2025-04-30 10:15:17,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:15:17,237 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182761066] [2025-04-30 10:15:17,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:15:17,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:15:17,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-30 10:15:17,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-30 10:15:17,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:17,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-30 10:15:17,277 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-30 10:15:17,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-30 10:15:17,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-30 10:15:17,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:17,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-30 10:15:17,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-30 10:15:17,307 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-30 10:15:17,308 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-04-30 10:15:17,309 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-04-30 10:15:17,309 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-30 10:15:17,311 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-04-30 10:15:17,327 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-30 10:15:17,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.04 10:15:17 BoogieIcfgContainer [2025-04-30 10:15:17,330 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-30 10:15:17,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-30 10:15:17,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-30 10:15:17,330 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-30 10:15:17,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:15:16" (3/4) ... [2025-04-30 10:15:17,332 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-04-30 10:15:17,333 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-30 10:15:17,333 INFO L158 Benchmark]: Toolchain (without parser) took 1189.67ms. Allocated memory is still 167.8MB. Free memory was 134.5MB in the beginning and 52.2MB in the end (delta: 82.3MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2025-04-30 10:15:17,333 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:17,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.24ms. Allocated memory is still 167.8MB. Free memory was 134.1MB in the beginning and 120.1MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-30 10:15:17,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.69ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 118.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:17,334 INFO L158 Benchmark]: Boogie Preprocessor took 34.38ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 116.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:17,334 INFO L158 Benchmark]: RCFGBuilder took 201.34ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 106.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-30 10:15:17,335 INFO L158 Benchmark]: TraceAbstraction took 726.31ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 52.2MB in the end (delta: 53.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-04-30 10:15:17,335 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 167.8MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:17,336 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.24ms. Allocated memory is still 167.8MB. Free memory was 134.1MB in the beginning and 120.1MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.69ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 118.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.38ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 116.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 201.34ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 106.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 726.31ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 52.2MB in the end (delta: 53.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 167.8MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 48]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 48. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L52] int count = _setjmp (my_jump_buffer); VAL [count=0] [L53] COND TRUE count < 5 [L54] CALL foo(count) [L47] CALL __VERIFIER_assert(count >= 0 && count < 5) VAL [\at(cond, Pre)=1] [L19] COND FALSE !(!(cond)) VAL [\at(cond, Pre)=1] [L47] RET __VERIFIER_assert(count >= 0 && count < 5) VAL [count=0] [L48] longjmp(my_jump_buffer, count + 1) VAL [count=0] - 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, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 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 10:15:17,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/longjmp/68-longjmp_11-counting-return_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 cd78c21c73bada66512b824cc4e2ebd848fac3560a8dab44f52c57ce628056b3 --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-30 10:15:19,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-30 10:15:19,288 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-04-30 10:15:19,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-30 10:15:19,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-30 10:15:19,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-30 10:15:19,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-30 10:15:19,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-30 10:15:19,308 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-30 10:15:19,308 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-30 10:15:19,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-30 10:15:19,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-30 10:15:19,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-30 10:15:19,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-30 10:15:19,309 INFO L153 SettingsManager]: * Use SBE=true [2025-04-30 10:15:19,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-30 10:15:19,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-30 10:15:19,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-30 10:15:19,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-30 10:15:19,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-30 10:15:19,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-30 10:15:19,309 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-04-30 10:15:19,310 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-04-30 10:15:19,310 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-04-30 10:15:19,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-30 10:15:19,310 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-30 10:15:19,310 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-30 10:15:19,310 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-30 10:15:19,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:15:19,310 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-30 10:15:19,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:15:19,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:15:19,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-30 10:15:19,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:15:19,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-30 10:15:19,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:15:19,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:15:19,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-30 10:15:19,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-30 10:15:19,311 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-30 10:15:19,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-30 10:15:19,311 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-04-30 10:15:19,311 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-04-30 10:15:19,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-30 10:15:19,312 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-30 10:15:19,312 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-30 10:15:19,312 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 -> cd78c21c73bada66512b824cc4e2ebd848fac3560a8dab44f52c57ce628056b3 [2025-04-30 10:15:19,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-30 10:15:19,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-30 10:15:19,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-30 10:15:19,539 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-30 10:15:19,539 INFO L274 PluginConnector]: CDTParser initialized [2025-04-30 10:15:19,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_11-counting-return_true.i [2025-04-30 10:15:20,898 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254117c99/50051c51e6f8419aa8c928228dc2b6b9/FLAG92d2be7af [2025-04-30 10:15:21,077 INFO L389 CDTParser]: Found 1 translation units. [2025-04-30 10:15:21,078 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_11-counting-return_true.i [2025-04-30 10:15:21,085 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254117c99/50051c51e6f8419aa8c928228dc2b6b9/FLAG92d2be7af [2025-04-30 10:15:21,949 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/254117c99/50051c51e6f8419aa8c928228dc2b6b9 [2025-04-30 10:15:21,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-30 10:15:21,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-30 10:15:21,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-30 10:15:21,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-30 10:15:21,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-30 10:15:21,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:15:21" (1/1) ... [2025-04-30 10:15:21,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3668aade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:21, skipping insertion in model container [2025-04-30 10:15:21,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:15:21" (1/1) ... [2025-04-30 10:15:21,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-30 10:15:22,096 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_11-counting-return_true.i[1089,1102] [2025-04-30 10:15:22,106 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:15:22,117 INFO L200 MainTranslator]: Completed pre-run [2025-04-30 10:15:22,133 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_11-counting-return_true.i[1089,1102] [2025-04-30 10:15:22,138 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:15:22,154 INFO L204 MainTranslator]: Completed translation [2025-04-30 10:15:22,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22 WrapperNode [2025-04-30 10:15:22,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-30 10:15:22,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-30 10:15:22,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-30 10:15:22,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-30 10:15:22,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,180 INFO L138 Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2025-04-30 10:15:22,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-30 10:15:22,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-30 10:15:22,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-30 10:15:22,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-30 10:15:22,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,190 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,201 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 10:15:22,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,205 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-30 10:15:22,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-30 10:15:22,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-30 10:15:22,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-30 10:15:22,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (1/1) ... [2025-04-30 10:15:22,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:15:22,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:15:22,245 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 10:15:22,247 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 10:15:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-30 10:15:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-04-30 10:15:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-30 10:15:22,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-30 10:15:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-04-30 10:15:22,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-04-30 10:15:22,304 INFO L234 CfgBuilder]: Building ICFG [2025-04-30 10:15:22,305 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-30 10:15:22,405 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-04-30 10:15:22,406 INFO L283 CfgBuilder]: Performing block encoding [2025-04-30 10:15:22,412 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-30 10:15:22,412 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-04-30 10:15:22,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:15:22 BoogieIcfgContainer [2025-04-30 10:15:22,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-30 10:15:22,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-30 10:15:22,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-30 10:15:22,418 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-30 10:15:22,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 10:15:21" (1/3) ... [2025-04-30 10:15:22,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbc7238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:15:22, skipping insertion in model container [2025-04-30 10:15:22,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:15:22" (2/3) ... [2025-04-30 10:15:22,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbc7238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:15:22, skipping insertion in model container [2025-04-30 10:15:22,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:15:22" (3/3) ... [2025-04-30 10:15:22,421 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_11-counting-return_true.i [2025-04-30 10:15:22,430 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-30 10:15:22,432 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_11-counting-return_true.i that has 2 procedures, 17 locations, 22 edges, 1 initial locations, 1 loop locations, and 2 error locations. [2025-04-30 10:15:22,462 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-30 10:15:22,471 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;@1b96d7b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-30 10:15:22,471 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-30 10:15:22,474 INFO L278 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-04-30 10:15:22,478 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-04-30 10:15:22,478 INFO L210 NwaCegarLoop]: Found error trace [2025-04-30 10:15:22,478 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:15:22,479 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-30 10:15:22,482 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:15:22,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1816863907, now seen corresponding path program 1 times [2025-04-30 10:15:22,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-04-30 10:15:22,490 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [818971501] [2025-04-30 10:15:22,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:15:22,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:15:22,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:15:22,494 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 10:15:22,496 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 10:15:22,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-30 10:15:22,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-30 10:15:22,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:22,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:15:22,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-30 10:15:22,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-30 10:15:22,606 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 10:15:22,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-30 10:15:22,607 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-04-30 10:15:22,607 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818971501] [2025-04-30 10:15:22,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818971501] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:15:22,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:15:22,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-30 10:15:22,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246799642] [2025-04-30 10:15:22,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:15:22,610 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:15:22,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-04-30 10:15:22,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:15:22,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:15:22,624 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.0) 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 10:15:22,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-30 10:15:22,643 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2025-04-30 10:15:22,644 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:15:22,645 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) 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 10:15:22,645 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-30 10:15:22,648 INFO L225 Difference]: With dead ends: 25 [2025-04-30 10:15:22,648 INFO L226 Difference]: Without dead ends: 12 [2025-04-30 10:15:22,649 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 10:15:22,653 INFO L437 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-30 10:15:22,654 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-30 10:15:22,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2025-04-30 10:15:22,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2025-04-30 10:15:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 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 10:15:22,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2025-04-30 10:15:22,691 INFO L79 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2025-04-30 10:15:22,691 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-30 10:15:22,691 INFO L485 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2025-04-30 10:15:22,691 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) 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 10:15:22,691 INFO L278 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2025-04-30 10:15:22,691 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-04-30 10:15:22,692 INFO L210 NwaCegarLoop]: Found error trace [2025-04-30 10:15:22,692 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:15:22,698 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 10:15:22,892 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 10:15:22,893 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-30 10:15:22,893 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:15:22,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1805722073, now seen corresponding path program 1 times [2025-04-30 10:15:22,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-04-30 10:15:22,895 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350348216] [2025-04-30 10:15:22,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:15:22,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:15:22,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:15:22,896 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 10:15:22,897 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 10:15:22,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-30 10:15:22,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-30 10:15:22,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:22,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:15:22,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-30 10:15:22,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-30 10:15:23,025 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 10:15:23,026 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-30 10:15:23,026 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-04-30 10:15:23,026 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350348216] [2025-04-30 10:15:23,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350348216] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:15:23,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:15:23,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-30 10:15:23,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624690021] [2025-04-30 10:15:23,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:15:23,026 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-30 10:15:23,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-04-30 10:15:23,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-30 10:15:23,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-04-30 10:15:23,027 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-30 10:15:23,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-30 10:15:23,073 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2025-04-30 10:15:23,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-30 10:15:23,074 INFO L79 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-04-30 10:15:23,074 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-30 10:15:23,074 INFO L225 Difference]: With dead ends: 12 [2025-04-30 10:15:23,074 INFO L226 Difference]: Without dead ends: 10 [2025-04-30 10:15:23,075 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-04-30 10:15:23,076 INFO L437 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-30 10:15:23,076 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 20 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-30 10:15:23,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-04-30 10:15:23,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2025-04-30 10:15:23,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-04-30 10:15:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2025-04-30 10:15:23,084 INFO L79 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 7 [2025-04-30 10:15:23,084 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-30 10:15:23,084 INFO L485 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2025-04-30 10:15:23,084 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-30 10:15:23,084 INFO L278 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2025-04-30 10:15:23,084 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-04-30 10:15:23,084 INFO L210 NwaCegarLoop]: Found error trace [2025-04-30 10:15:23,084 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:15:23,092 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 10:15:23,285 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 10:15:23,285 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-30 10:15:23,286 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:15:23,286 INFO L85 PathProgramCache]: Analyzing trace with hash 132279424, now seen corresponding path program 1 times [2025-04-30 10:15:23,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-04-30 10:15:23,286 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1498751239] [2025-04-30 10:15:23,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:15:23,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:15:23,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:15:23,288 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 10:15:23,289 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 10:15:23,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-30 10:15:23,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-30 10:15:23,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:23,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-30 10:15:23,364 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-30 10:15:23,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-30 10:15:23,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-30 10:15:23,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:15:23,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-30 10:15:23,411 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-04-30 10:15:23,411 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-30 10:15:23,412 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-04-30 10:15:23,413 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-04-30 10:15:23,421 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 10:15:23,613 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 10:15:23,616 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-04-30 10:15:23,633 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-30 10:15:23,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.04 10:15:23 BoogieIcfgContainer [2025-04-30 10:15:23,636 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-30 10:15:23,636 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-30 10:15:23,636 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-30 10:15:23,637 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-30 10:15:23,637 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:15:22" (3/4) ... [2025-04-30 10:15:23,639 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-04-30 10:15:23,639 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-30 10:15:23,640 INFO L158 Benchmark]: Toolchain (without parser) took 1687.72ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 59.4MB in the end (delta: 24.6MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2025-04-30 10:15:23,641 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:23,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.78ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 69.5MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-30 10:15:23,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.29ms. Allocated memory is still 109.1MB. Free memory was 69.5MB in the beginning and 67.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:23,642 INFO L158 Benchmark]: Boogie Preprocessor took 39.35ms. Allocated memory is still 109.1MB. Free memory was 67.9MB in the beginning and 66.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:23,642 INFO L158 Benchmark]: RCFGBuilder took 191.76ms. Allocated memory is still 109.1MB. Free memory was 66.0MB in the beginning and 56.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-30 10:15:23,642 INFO L158 Benchmark]: TraceAbstraction took 1221.44ms. Allocated memory is still 109.1MB. Free memory was 55.2MB in the beginning and 59.4MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:23,643 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 109.1MB. Free memory was 59.4MB in the beginning and 59.4MB in the end (delta: 12.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:15:23,644 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 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.78ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 69.5MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.29ms. Allocated memory is still 109.1MB. Free memory was 69.5MB in the beginning and 67.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.35ms. Allocated memory is still 109.1MB. Free memory was 67.9MB in the beginning and 66.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 191.76ms. Allocated memory is still 109.1MB. Free memory was 66.0MB in the beginning and 56.0MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1221.44ms. Allocated memory is still 109.1MB. Free memory was 55.2MB in the beginning and 59.4MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 109.1MB. Free memory was 59.4MB in the beginning and 59.4MB in the end (delta: 12.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 48]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 48. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L52] int count = _setjmp (my_jump_buffer); VAL [count=0] [L53] COND TRUE count < 5 [L54] CALL foo(count) [L47] CALL __VERIFIER_assert(count >= 0 && count < 5) VAL [\at(cond, Pre)=1] [L19] COND FALSE !(!(cond)) VAL [\at(cond, Pre)=1] [L47] RET __VERIFIER_assert(count >= 0 && count < 5) VAL [count=0] [L48] longjmp(my_jump_buffer, count + 1) VAL [count=0] - 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, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 2 NumberOfNonLiveVariables, 98 ConjunctsInSsa, 8 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 10:15:23,655 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