./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 31c429cae02fa7fad8f91ea3ad481b187fa419072b3b05c95387fa572b15e29f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 20:17:14,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 20:17:14,548 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-23 20:17:14,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 20:17:14,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 20:17:14,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 20:17:14,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 20:17:14,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 20:17:14,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 20:17:14,594 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 20:17:14,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 20:17:14,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 20:17:14,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 20:17:14,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 20:17:14,598 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 20:17:14,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 20:17:14,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 20:17:14,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-23 20:17:14,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 20:17:14,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 20:17:14,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 20:17:14,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 20:17:14,604 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 20:17:14,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 20:17:14,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 20:17:14,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 20:17:14,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 20:17:14,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 20:17:14,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 20:17:14,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 20:17:14,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 20:17:14,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 20:17:14,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 20:17:14,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-23 20:17:14,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-23 20:17:14,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 20:17:14,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 20:17:14,607 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 20:17:14,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 20:17:14,607 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31c429cae02fa7fad8f91ea3ad481b187fa419072b3b05c95387fa572b15e29f [2024-10-23 20:17:14,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 20:17:14,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 20:17:14,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 20:17:14,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 20:17:14,887 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 20:17:14,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i [2024-10-23 20:17:16,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 20:17:16,466 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 20:17:16,466 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i [2024-10-23 20:17:16,472 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdab0290a/b72a8d2ca83c4ca395af6ed4db254372/FLAG92446c295 [2024-10-23 20:17:16,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdab0290a/b72a8d2ca83c4ca395af6ed4db254372 [2024-10-23 20:17:16,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 20:17:16,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 20:17:16,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 20:17:16,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 20:17:16,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 20:17:16,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2150c00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16, skipping insertion in model container [2024-10-23 20:17:16,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 20:17:16,681 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i[1099,1112] [2024-10-23 20:17:16,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 20:17:16,709 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 20:17:16,721 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i[1099,1112] [2024-10-23 20:17:16,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 20:17:16,745 INFO L204 MainTranslator]: Completed translation [2024-10-23 20:17:16,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16 WrapperNode [2024-10-23 20:17:16,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 20:17:16,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 20:17:16,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 20:17:16,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 20:17:16,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,780 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-10-23 20:17:16,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 20:17:16,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 20:17:16,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 20:17:16,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 20:17:16,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,792 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,800 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]. [2024-10-23 20:17:16,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 20:17:16,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 20:17:16,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 20:17:16,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 20:17:16,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (1/1) ... [2024-10-23 20:17:16,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 20:17:16,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 20:17:16,847 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) [2024-10-23 20:17:16,852 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 [2024-10-23 20:17:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 20:17:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-23 20:17:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 20:17:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 20:17:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-23 20:17:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-23 20:17:16,968 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 20:17:16,970 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 20:17:17,097 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-10-23 20:17:17,098 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 20:17:17,128 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 20:17:17,130 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-23 20:17:17,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:17:17 BoogieIcfgContainer [2024-10-23 20:17:17,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 20:17:17,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 20:17:17,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 20:17:17,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 20:17:17,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:17:16" (1/3) ... [2024-10-23 20:17:17,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418a478f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:17:17, skipping insertion in model container [2024-10-23 20:17:17,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:16" (2/3) ... [2024-10-23 20:17:17,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418a478f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:17:17, skipping insertion in model container [2024-10-23 20:17:17,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:17:17" (3/3) ... [2024-10-23 20:17:17,139 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_16-counting-local-one-method_true.i [2024-10-23 20:17:17,156 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 20:17:17,157 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-23 20:17:17,223 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 20:17:17,232 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d286ea4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 20:17:17,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-23 20:17:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 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) [2024-10-23 20:17:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-23 20:17:17,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:17:17,245 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-23 20:17:17,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:17:17,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:17:17,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1923744985, now seen corresponding path program 1 times [2024-10-23 20:17:17,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:17:17,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857080199] [2024-10-23 20:17:17,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:17:17,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:17:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:17:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 20:17:17,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:17:17,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857080199] [2024-10-23 20:17:17,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857080199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:17:17,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:17:17,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-23 20:17:17,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152730417] [2024-10-23 20:17:17,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:17:17,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-23 20:17:17,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:17:17,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-23 20:17:17,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-23 20:17:17,628 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 20:17:17,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:17:17,709 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2024-10-23 20:17:17,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-23 20:17:17,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-23 20:17:17,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:17:17,721 INFO L225 Difference]: With dead ends: 20 [2024-10-23 20:17:17,722 INFO L226 Difference]: Without dead ends: 9 [2024-10-23 20:17:17,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-23 20:17:17,731 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-23 20:17:17,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-23 20:17:17,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-23 20:17:17,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-10-23 20:17:17,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2024-10-23 20:17:17,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2024-10-23 20:17:17,760 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 6 [2024-10-23 20:17:17,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:17:17,760 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2024-10-23 20:17:17,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 20:17:17,760 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-10-23 20:17:17,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-23 20:17:17,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:17:17,761 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:17:17,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-23 20:17:17,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:17:17,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:17:17,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1883148098, now seen corresponding path program 1 times [2024-10-23 20:17:17,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:17:17,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605835023] [2024-10-23 20:17:17,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:17:17,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:17:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-23 20:17:17,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-23 20:17:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-23 20:17:17,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-23 20:17:17,816 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-23 20:17:17,818 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-23 20:17:17,821 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-23 20:17:17,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-23 20:17:17,827 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-23 20:17:17,845 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-23 20:17:17,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:17:17 BoogieIcfgContainer [2024-10-23 20:17:17,848 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-23 20:17:17,849 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-23 20:17:17,849 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-23 20:17:17,849 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-23 20:17:17,849 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:17:17" (3/4) ... [2024-10-23 20:17:17,851 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-23 20:17:17,853 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-23 20:17:17,853 INFO L158 Benchmark]: Toolchain (without parser) took 1365.93ms. Allocated memory is still 163.6MB. Free memory was 107.8MB in the beginning and 46.0MB in the end (delta: 61.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-10-23 20:17:17,854 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 20:17:17,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.85ms. Allocated memory is still 163.6MB. Free memory was 107.4MB in the beginning and 95.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-23 20:17:17,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.29ms. Allocated memory is still 163.6MB. Free memory was 95.2MB in the beginning and 93.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-23 20:17:17,857 INFO L158 Benchmark]: Boogie Preprocessor took 31.58ms. Allocated memory is still 163.6MB. Free memory was 93.8MB in the beginning and 91.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-23 20:17:17,857 INFO L158 Benchmark]: RCFGBuilder took 317.54ms. Allocated memory is still 163.6MB. Free memory was 91.8MB in the beginning and 81.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-23 20:17:17,857 INFO L158 Benchmark]: TraceAbstraction took 715.89ms. Allocated memory is still 163.6MB. Free memory was 80.5MB in the beginning and 46.2MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-10-23 20:17:17,858 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 163.6MB. Free memory was 46.2MB in the beginning and 46.0MB in the end (delta: 214.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 20:17:17,863 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.85ms. Allocated memory is still 163.6MB. Free memory was 107.4MB in the beginning and 95.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.29ms. Allocated memory is still 163.6MB. Free memory was 95.2MB in the beginning and 93.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.58ms. Allocated memory is still 163.6MB. Free memory was 93.8MB in the beginning and 91.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.54ms. Allocated memory is still 163.6MB. Free memory was 91.8MB in the beginning and 81.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 715.89ms. Allocated memory is still 163.6MB. Free memory was 80.5MB in the beginning and 46.2MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 163.6MB. Free memory was 46.2MB in the beginning and 46.0MB in the end (delta: 214.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 52]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 52. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L47] volatile int count = 0; VAL [count=0] [L49] COND TRUE count < 5 [L50] count++ VAL [count=1] [L51] CALL __VERIFIER_assert(count >= 0 && count <= 5) VAL [\old(cond)=1] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L51] RET __VERIFIER_assert(count >= 0 && count <= 5) VAL [count=1] [L52] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-23 20:17:17,892 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/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 31c429cae02fa7fad8f91ea3ad481b187fa419072b3b05c95387fa572b15e29f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 20:17:20,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 20:17:20,167 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-23 20:17:20,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 20:17:20,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 20:17:20,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 20:17:20,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 20:17:20,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 20:17:20,212 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 20:17:20,213 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 20:17:20,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 20:17:20,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 20:17:20,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 20:17:20,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 20:17:20,216 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 20:17:20,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 20:17:20,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 20:17:20,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 20:17:20,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 20:17:20,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 20:17:20,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 20:17:20,221 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-23 20:17:20,222 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-23 20:17:20,223 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 20:17:20,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-23 20:17:20,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 20:17:20,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 20:17:20,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 20:17:20,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 20:17:20,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 20:17:20,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 20:17:20,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 20:17:20,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 20:17:20,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 20:17:20,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 20:17:20,228 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-23 20:17:20,228 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-23 20:17:20,229 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 20:17:20,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 20:17:20,229 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 20:17:20,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 20:17:20,230 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-23 20:17:20,230 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31c429cae02fa7fad8f91ea3ad481b187fa419072b3b05c95387fa572b15e29f [2024-10-23 20:17:20,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 20:17:20,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 20:17:20,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 20:17:20,593 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 20:17:20,594 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 20:17:20,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i [2024-10-23 20:17:22,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 20:17:22,324 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 20:17:22,325 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i [2024-10-23 20:17:22,331 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430ceba41/d8368a0395e24306843534bba6a34c89/FLAGe63bfa904 [2024-10-23 20:17:22,666 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430ceba41/d8368a0395e24306843534bba6a34c89 [2024-10-23 20:17:22,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 20:17:22,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 20:17:22,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 20:17:22,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 20:17:22,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 20:17:22,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:22,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@499b399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22, skipping insertion in model container [2024-10-23 20:17:22,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:22,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 20:17:22,876 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i[1099,1112] [2024-10-23 20:17:22,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 20:17:22,915 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 20:17:22,930 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i[1099,1112] [2024-10-23 20:17:22,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 20:17:22,958 INFO L204 MainTranslator]: Completed translation [2024-10-23 20:17:22,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22 WrapperNode [2024-10-23 20:17:22,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 20:17:22,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 20:17:22,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 20:17:22,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 20:17:22,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:22,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:23,009 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-10-23 20:17:23,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 20:17:23,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 20:17:23,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 20:17:23,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 20:17:23,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:23,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:23,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:23,070 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]. [2024-10-23 20:17:23,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:23,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:23,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:23,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:23,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:23,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:23,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 20:17:23,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 20:17:23,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 20:17:23,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 20:17:23,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (1/1) ... [2024-10-23 20:17:23,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 20:17:23,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 20:17:23,126 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) [2024-10-23 20:17:23,132 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 [2024-10-23 20:17:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 20:17:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-23 20:17:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 20:17:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 20:17:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-23 20:17:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-23 20:17:23,246 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 20:17:23,249 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 20:17:23,365 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-10-23 20:17:23,366 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 20:17:23,396 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 20:17:23,396 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-23 20:17:23,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:17:23 BoogieIcfgContainer [2024-10-23 20:17:23,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 20:17:23,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 20:17:23,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 20:17:23,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 20:17:23,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:17:22" (1/3) ... [2024-10-23 20:17:23,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b53bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:17:23, skipping insertion in model container [2024-10-23 20:17:23,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:17:22" (2/3) ... [2024-10-23 20:17:23,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b53bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:17:23, skipping insertion in model container [2024-10-23 20:17:23,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:17:23" (3/3) ... [2024-10-23 20:17:23,407 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_16-counting-local-one-method_true.i [2024-10-23 20:17:23,421 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 20:17:23,422 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-23 20:17:23,480 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 20:17:23,487 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@314889d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 20:17:23,488 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-23 20:17:23,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 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) [2024-10-23 20:17:23,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-23 20:17:23,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:17:23,498 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-23 20:17:23,499 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:17:23,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:17:23,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1923744985, now seen corresponding path program 1 times [2024-10-23 20:17:23,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 20:17:23,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276201976] [2024-10-23 20:17:23,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:17:23,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 20:17:23,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 20:17:23,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-23 20:17:23,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-23 20:17:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:17:23,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-23 20:17:23,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 20:17:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 20:17:23,729 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 20:17:23,730 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 20:17:23,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276201976] [2024-10-23 20:17:23,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276201976] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:17:23,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:17:23,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-23 20:17:23,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781208494] [2024-10-23 20:17:23,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:17:23,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-23 20:17:23,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 20:17:23,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-23 20:17:23,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-23 20:17:23,759 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 20:17:23,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:17:23,841 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2024-10-23 20:17:23,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-23 20:17:23,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-23 20:17:23,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:17:23,849 INFO L225 Difference]: With dead ends: 20 [2024-10-23 20:17:23,850 INFO L226 Difference]: Without dead ends: 9 [2024-10-23 20:17:23,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-23 20:17:23,855 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-23 20:17:23,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-23 20:17:23,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-23 20:17:23,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-10-23 20:17:23,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2024-10-23 20:17:23,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2024-10-23 20:17:23,882 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 6 [2024-10-23 20:17:23,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:17:23,883 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2024-10-23 20:17:23,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 20:17:23,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-10-23 20:17:23,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-23 20:17:23,884 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:17:23,884 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:17:23,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-23 20:17:24,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 20:17:24,085 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:17:24,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:17:24,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1883148098, now seen corresponding path program 1 times [2024-10-23 20:17:24,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 20:17:24,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29614715] [2024-10-23 20:17:24,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:17:24,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 20:17:24,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 20:17:24,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-23 20:17:24,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-23 20:17:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-23 20:17:24,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-23 20:17:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-23 20:17:24,180 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-23 20:17:24,181 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-23 20:17:24,182 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-23 20:17:24,184 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-23 20:17:24,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-23 20:17:24,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 20:17:24,387 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-23 20:17:24,399 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-23 20:17:24,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:17:24 BoogieIcfgContainer [2024-10-23 20:17:24,402 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-23 20:17:24,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-23 20:17:24,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-23 20:17:24,403 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-23 20:17:24,404 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:17:23" (3/4) ... [2024-10-23 20:17:24,406 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-23 20:17:24,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-23 20:17:24,408 INFO L158 Benchmark]: Toolchain (without parser) took 1738.33ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 26.3MB in the end (delta: 19.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-10-23 20:17:24,409 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 20:17:24,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.98ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 32.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-23 20:17:24,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.35ms. Allocated memory is still 69.2MB. Free memory was 32.9MB in the beginning and 49.2MB in the end (delta: -16.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-10-23 20:17:24,412 INFO L158 Benchmark]: Boogie Preprocessor took 78.78ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 47.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-23 20:17:24,414 INFO L158 Benchmark]: RCFGBuilder took 306.23ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 36.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-23 20:17:24,414 INFO L158 Benchmark]: TraceAbstraction took 1002.96ms. Allocated memory is still 69.2MB. Free memory was 35.6MB in the beginning and 26.6MB in the end (delta: 9.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-10-23 20:17:24,415 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 69.2MB. Free memory was 26.6MB in the beginning and 26.3MB in the end (delta: 357.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 20:17:24,417 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.98ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 32.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.35ms. Allocated memory is still 69.2MB. Free memory was 32.9MB in the beginning and 49.2MB in the end (delta: -16.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.78ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 47.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.23ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 36.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1002.96ms. Allocated memory is still 69.2MB. Free memory was 35.6MB in the beginning and 26.6MB in the end (delta: 9.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 69.2MB. Free memory was 26.6MB in the beginning and 26.3MB in the end (delta: 357.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 52]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 52. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L47] volatile int count = 0; VAL [count=0] [L49] COND TRUE count < 5 [L50] count++ VAL [count=1] [L51] CALL __VERIFIER_assert(count >= 0 && count <= 5) VAL [\old(cond)=1] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L51] RET __VERIFIER_assert(count >= 0 && count <= 5) VAL [count=1] [L52] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 1 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-23 20:17:24,447 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