./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_unknown_1_pos.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_unknown_1_pos.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 454a0e5c9d496a106b71c28c7c8492f0be4d48989ccdbbf01522db5eac102deb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-10 22:33:00,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-10 22:33:00,291 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-10 22:33:00,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-10 22:33:00,298 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-10 22:33:00,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-10 22:33:00,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-10 22:33:00,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-10 22:33:00,324 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-10 22:33:00,325 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-10 22:33:00,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-10 22:33:00,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-10 22:33:00,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-10 22:33:00,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-10 22:33:00,329 INFO L153 SettingsManager]: * Use SBE=true [2024-10-10 22:33:00,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-10 22:33:00,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-10 22:33:00,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-10 22:33:00,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-10 22:33:00,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-10 22:33:00,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-10 22:33:00,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-10 22:33:00,333 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-10 22:33:00,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-10 22:33:00,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-10 22:33:00,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-10 22:33:00,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-10 22:33:00,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-10 22:33:00,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-10 22:33:00,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:33:00,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-10 22:33:00,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-10 22:33:00,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-10 22:33:00,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-10 22:33:00,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-10 22:33:00,335 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-10 22:33:00,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-10 22:33:00,336 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-10 22:33:00,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-10 22:33:00,336 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 454a0e5c9d496a106b71c28c7c8492f0be4d48989ccdbbf01522db5eac102deb [2024-10-10 22:33:00,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-10 22:33:00,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-10 22:33:00,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-10 22:33:00,635 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-10 22:33:00,635 INFO L274 PluginConnector]: CDTParser initialized [2024-10-10 22:33:00,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_unknown_1_pos.i [2024-10-10 22:33:02,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-10 22:33:02,218 INFO L384 CDTParser]: Found 1 translation units. [2024-10-10 22:33:02,218 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_unknown_1_pos.i [2024-10-10 22:33:02,225 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/99d5f3b5b/96c39d3801f944b8aed67e88678140a7/FLAG03b6d6fe5 [2024-10-10 22:33:02,609 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/99d5f3b5b/96c39d3801f944b8aed67e88678140a7 [2024-10-10 22:33:02,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-10 22:33:02,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-10 22:33:02,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-10 22:33:02,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-10 22:33:02,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-10 22:33:02,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd56f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02, skipping insertion in model container [2024-10-10 22:33:02,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-10 22:33:02,870 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_unknown_1_pos.i[1108,1121] [2024-10-10 22:33:02,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:33:02,899 INFO L200 MainTranslator]: Completed pre-run [2024-10-10 22:33:02,908 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_unknown_1_pos.i[1108,1121] [2024-10-10 22:33:02,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:33:02,924 INFO L204 MainTranslator]: Completed translation [2024-10-10 22:33:02,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02 WrapperNode [2024-10-10 22:33:02,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-10 22:33:02,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-10 22:33:02,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-10 22:33:02,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-10 22:33:02,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,951 INFO L138 Inliner]: procedures = 20, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2024-10-10 22:33:02,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-10 22:33:02,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-10 22:33:02,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-10 22:33:02,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-10 22:33:02,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,960 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,968 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]. [2024-10-10 22:33:02,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:02,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-10 22:33:02,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-10 22:33:02,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-10 22:33:02,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-10 22:33:02,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (1/1) ... [2024-10-10 22:33:03,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:33:03,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:33:03,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-10 22:33:03,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-10 22:33:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-10 22:33:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-10 22:33:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-10 22:33:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-10 22:33:03,157 INFO L238 CfgBuilder]: Building ICFG [2024-10-10 22:33:03,159 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-10 22:33:03,249 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-10-10 22:33:03,250 INFO L287 CfgBuilder]: Performing block encoding [2024-10-10 22:33:03,286 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-10 22:33:03,286 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-10 22:33:03,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:33:03 BoogieIcfgContainer [2024-10-10 22:33:03,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-10 22:33:03,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-10 22:33:03,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-10 22:33:03,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-10 22:33:03,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 10:33:02" (1/3) ... [2024-10-10 22:33:03,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57643d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:33:03, skipping insertion in model container [2024-10-10 22:33:03,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:02" (2/3) ... [2024-10-10 22:33:03,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57643d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:33:03, skipping insertion in model container [2024-10-10 22:33:03,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:33:03" (3/3) ... [2024-10-10 22:33:03,297 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_16-counting-local-one-method_unknown_1_pos.i [2024-10-10 22:33:03,327 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-10 22:33:03,327 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-10 22:33:03,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-10 22:33:03,399 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;@59a7b0d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-10 22:33:03,399 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-10 22:33:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-10 22:33:03,408 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:33:03,408 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-10 22:33:03,409 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-10 22:33:03,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:33:03,414 INFO L85 PathProgramCache]: Analyzing trace with hash 56861, now seen corresponding path program 1 times [2024-10-10 22:33:03,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:33:03,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758909430] [2024-10-10 22:33:03,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:33:03,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:33:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:33:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-10 22:33:03,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-10 22:33:03,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758909430] [2024-10-10 22:33:03,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758909430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:33:03,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:33:03,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-10 22:33:03,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701960391] [2024-10-10 22:33:03,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:33:03,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-10 22:33:03,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-10 22:33:03,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-10 22:33:03,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-10 22:33:03,629 INFO L87 Difference]: Start difference. First operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:03,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:33:03,659 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2024-10-10 22:33:03,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-10 22:33:03,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-10-10 22:33:03,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:33:03,677 INFO L225 Difference]: With dead ends: 16 [2024-10-10 22:33:03,677 INFO L226 Difference]: Without dead ends: 6 [2024-10-10 22:33:03,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-10 22:33:03,686 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-10 22:33:03,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-10 22:33:03,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2024-10-10 22:33:03,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-10-10 22:33:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2024-10-10 22:33:03,733 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 3 [2024-10-10 22:33:03,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:33:03,733 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2024-10-10 22:33:03,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:03,734 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-10-10 22:33:03,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-10 22:33:03,734 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:33:03,734 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-10 22:33:03,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-10 22:33:03,739 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-10 22:33:03,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:33:03,739 INFO L85 PathProgramCache]: Analyzing trace with hash 54797665, now seen corresponding path program 1 times [2024-10-10 22:33:03,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-10 22:33:03,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830508554] [2024-10-10 22:33:03,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:33:03,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-10 22:33:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:33:03,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-10 22:33:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:33:03,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-10 22:33:03,807 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-10 22:33:03,808 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-10 22:33:03,811 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-10 22:33:03,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-10 22:33:03,814 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-10 22:33:03,837 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-10 22:33:03,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 10:33:03 BoogieIcfgContainer [2024-10-10 22:33:03,841 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-10 22:33:03,842 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-10 22:33:03,842 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-10 22:33:03,842 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-10 22:33:03,843 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:33:03" (3/4) ... [2024-10-10 22:33:03,844 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-10 22:33:03,845 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-10 22:33:03,846 INFO L158 Benchmark]: Toolchain (without parser) took 1233.89ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 86.8MB in the beginning and 188.0MB in the end (delta: -101.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:33:03,846 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:33:03,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.91ms. Allocated memory is still 159.4MB. Free memory was 86.5MB in the beginning and 74.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-10 22:33:03,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.06ms. Allocated memory is still 159.4MB. Free memory was 74.2MB in the beginning and 72.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-10 22:33:03,848 INFO L158 Benchmark]: Boogie Preprocessor took 43.39ms. Allocated memory is still 159.4MB. Free memory was 72.8MB in the beginning and 130.0MB in the end (delta: -57.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-10-10 22:33:03,848 INFO L158 Benchmark]: RCFGBuilder took 290.69ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 129.9MB in the beginning and 182.1MB in the end (delta: -52.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-10 22:33:03,849 INFO L158 Benchmark]: TraceAbstraction took 553.07ms. Allocated memory is still 218.1MB. Free memory was 182.1MB in the beginning and 189.1MB in the end (delta: -7.0MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-10-10 22:33:03,850 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 218.1MB. Free memory was 189.1MB in the beginning and 188.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:33:03,854 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.91ms. Allocated memory is still 159.4MB. Free memory was 86.5MB in the beginning and 74.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.06ms. Allocated memory is still 159.4MB. Free memory was 74.2MB in the beginning and 72.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.39ms. Allocated memory is still 159.4MB. Free memory was 72.8MB in the beginning and 130.0MB in the end (delta: -57.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * RCFGBuilder took 290.69ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 129.9MB in the beginning and 182.1MB in the end (delta: -52.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 553.07ms. Allocated memory is still 218.1MB. Free memory was 182.1MB in the beginning and 189.1MB in the end (delta: -7.0MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Witness Printer took 3.47ms. Allocated memory is still 218.1MB. Free memory was 189.1MB in the beginning and 188.0MB in the end (delta: 1.0MB). 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; [L49] CALL __VERIFIER_assert(count == 0) [L19] COND FALSE !(!(cond)) [L49] RET __VERIFIER_assert(count == 0) [L50] COND TRUE count < 5 [L51] count++ [L52] longjmp(my_jump_buffer, 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 1 procedures, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 [2024-10-10 22:33:03,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_unknown_1_pos.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 454a0e5c9d496a106b71c28c7c8492f0be4d48989ccdbbf01522db5eac102deb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-10 22:33:06,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-10 22:33:06,108 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-10 22:33:06,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-10 22:33:06,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-10 22:33:06,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-10 22:33:06,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-10 22:33:06,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-10 22:33:06,144 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-10 22:33:06,145 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-10 22:33:06,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-10 22:33:06,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-10 22:33:06,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-10 22:33:06,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-10 22:33:06,148 INFO L153 SettingsManager]: * Use SBE=true [2024-10-10 22:33:06,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-10 22:33:06,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-10 22:33:06,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-10 22:33:06,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-10 22:33:06,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-10 22:33:06,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-10 22:33:06,153 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-10 22:33:06,153 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-10 22:33:06,153 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-10 22:33:06,154 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-10 22:33:06,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-10 22:33:06,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-10 22:33:06,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-10 22:33:06,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-10 22:33:06,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-10 22:33:06,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-10 22:33:06,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:33:06,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-10 22:33:06,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-10 22:33:06,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-10 22:33:06,156 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-10 22:33:06,156 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-10 22:33:06,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-10 22:33:06,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-10 22:33:06,156 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-10 22:33:06,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-10 22:33:06,158 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-10 22:33:06,158 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 454a0e5c9d496a106b71c28c7c8492f0be4d48989ccdbbf01522db5eac102deb [2024-10-10 22:33:06,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-10 22:33:06,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-10 22:33:06,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-10 22:33:06,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-10 22:33:06,461 INFO L274 PluginConnector]: CDTParser initialized [2024-10-10 22:33:06,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_unknown_1_pos.i [2024-10-10 22:33:07,879 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-10 22:33:08,085 INFO L384 CDTParser]: Found 1 translation units. [2024-10-10 22:33:08,086 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_unknown_1_pos.i [2024-10-10 22:33:08,093 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/319bd8090/8cf26d10354c453d99119d060dd58743/FLAG005b6751e [2024-10-10 22:33:08,106 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/319bd8090/8cf26d10354c453d99119d060dd58743 [2024-10-10 22:33:08,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-10 22:33:08,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-10 22:33:08,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-10 22:33:08,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-10 22:33:08,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-10 22:33:08,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768481d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08, skipping insertion in model container [2024-10-10 22:33:08,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,134 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-10 22:33:08,272 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_unknown_1_pos.i[1108,1121] [2024-10-10 22:33:08,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:33:08,310 INFO L200 MainTranslator]: Completed pre-run [2024-10-10 22:33:08,321 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_unknown_1_pos.i[1108,1121] [2024-10-10 22:33:08,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-10 22:33:08,347 INFO L204 MainTranslator]: Completed translation [2024-10-10 22:33:08,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08 WrapperNode [2024-10-10 22:33:08,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-10 22:33:08,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-10 22:33:08,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-10 22:33:08,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-10 22:33:08,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,377 INFO L138 Inliner]: procedures = 20, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2024-10-10 22:33:08,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-10 22:33:08,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-10 22:33:08,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-10 22:33:08,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-10 22:33:08,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,389 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,398 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]. [2024-10-10 22:33:08,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-10 22:33:08,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-10 22:33:08,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-10 22:33:08,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-10 22:33:08,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (1/1) ... [2024-10-10 22:33:08,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-10 22:33:08,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-10 22:33:08,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-10 22:33:08,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-10 22:33:08,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-10 22:33:08,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-10 22:33:08,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-10 22:33:08,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-10 22:33:08,573 INFO L238 CfgBuilder]: Building ICFG [2024-10-10 22:33:08,575 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-10 22:33:08,721 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-10-10 22:33:08,721 INFO L287 CfgBuilder]: Performing block encoding [2024-10-10 22:33:08,750 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-10 22:33:08,751 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-10 22:33:08,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:33:08 BoogieIcfgContainer [2024-10-10 22:33:08,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-10 22:33:08,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-10 22:33:08,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-10 22:33:08,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-10 22:33:08,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 10:33:08" (1/3) ... [2024-10-10 22:33:08,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21006a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:33:08, skipping insertion in model container [2024-10-10 22:33:08,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:33:08" (2/3) ... [2024-10-10 22:33:08,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21006a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:33:08, skipping insertion in model container [2024-10-10 22:33:08,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:33:08" (3/3) ... [2024-10-10 22:33:08,760 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_16-counting-local-one-method_unknown_1_pos.i [2024-10-10 22:33:08,776 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-10 22:33:08,776 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-10 22:33:08,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-10 22:33:08,830 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;@23e451ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-10 22:33:08,833 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-10 22:33:08,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:08,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-10 22:33:08,841 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:33:08,844 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-10 22:33:08,845 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-10 22:33:08,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:33:08,850 INFO L85 PathProgramCache]: Analyzing trace with hash 56861, now seen corresponding path program 1 times [2024-10-10 22:33:08,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-10 22:33:08,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295595883] [2024-10-10 22:33:08,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:33:08,862 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 [2024-10-10 22:33:08,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-10 22:33:08,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-10 22:33:08,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-10 22:33:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-10 22:33:08,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-10 22:33:08,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-10 22:33:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-10 22:33:09,033 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-10 22:33:09,033 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-10 22:33:09,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295595883] [2024-10-10 22:33:09,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [295595883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-10 22:33:09,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-10 22:33:09,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-10 22:33:09,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124398512] [2024-10-10 22:33:09,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-10 22:33:09,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-10 22:33:09,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-10 22:33:09,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-10 22:33:09,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-10 22:33:09,065 INFO L87 Difference]: Start difference. First operand has 10 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:09,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-10 22:33:09,099 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2024-10-10 22:33:09,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-10 22:33:09,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-10-10 22:33:09,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-10 22:33:09,107 INFO L225 Difference]: With dead ends: 16 [2024-10-10 22:33:09,107 INFO L226 Difference]: Without dead ends: 6 [2024-10-10 22:33:09,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-10 22:33:09,115 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-10 22:33:09,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-10 22:33:09,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2024-10-10 22:33:09,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-10-10 22:33:09,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:09,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2024-10-10 22:33:09,140 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 3 [2024-10-10 22:33:09,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-10 22:33:09,140 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2024-10-10 22:33:09,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-10 22:33:09,141 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-10-10 22:33:09,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-10 22:33:09,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-10 22:33:09,141 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-10 22:33:09,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)] Forceful destruction successful, exit code 0 [2024-10-10 22:33:09,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-10 22:33:09,345 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-10 22:33:09,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-10 22:33:09,347 INFO L85 PathProgramCache]: Analyzing trace with hash 54797665, now seen corresponding path program 1 times [2024-10-10 22:33:09,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-10 22:33:09,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442620626] [2024-10-10 22:33:09,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-10 22:33:09,348 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 [2024-10-10 22:33:09,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-10 22:33:09,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/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) [2024-10-10 22:33:09,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-10 22:33:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:33:09,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-10 22:33:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-10 22:33:09,485 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-10 22:33:09,486 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-10 22:33:09,487 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2024-10-10 22:33:09,490 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-10 22:33:09,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)] Ended with exit code 0 [2024-10-10 22:33:09,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/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 [2024-10-10 22:33:09,695 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-10 22:33:09,708 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-10 22:33:09,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 10:33:09 BoogieIcfgContainer [2024-10-10 22:33:09,711 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-10 22:33:09,712 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-10 22:33:09,712 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-10 22:33:09,712 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-10 22:33:09,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:33:08" (3/4) ... [2024-10-10 22:33:09,721 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-10 22:33:09,722 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-10 22:33:09,723 INFO L158 Benchmark]: Toolchain (without parser) took 1614.14ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 44.6MB in the beginning and 80.4MB in the end (delta: -35.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-10-10 22:33:09,724 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:33:09,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.86ms. Allocated memory is still 65.0MB. Free memory was 44.6MB in the beginning and 31.8MB in the end (delta: 12.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-10 22:33:09,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.10ms. Allocated memory is still 65.0MB. Free memory was 31.8MB in the beginning and 30.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:33:09,725 INFO L158 Benchmark]: Boogie Preprocessor took 36.92ms. Allocated memory is still 65.0MB. Free memory was 30.2MB in the beginning and 28.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-10 22:33:09,725 INFO L158 Benchmark]: RCFGBuilder took 335.22ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 28.3MB in the beginning and 77.3MB in the end (delta: -49.0MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-10-10 22:33:09,726 INFO L158 Benchmark]: TraceAbstraction took 957.75ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 80.9MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:33:09,726 INFO L158 Benchmark]: Witness Printer took 10.59ms. Allocated memory is still 107.0MB. Free memory was 80.9MB in the beginning and 80.4MB in the end (delta: 551.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-10 22:33:09,728 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 65.0MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.86ms. Allocated memory is still 65.0MB. Free memory was 44.6MB in the beginning and 31.8MB in the end (delta: 12.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.10ms. Allocated memory is still 65.0MB. Free memory was 31.8MB in the beginning and 30.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.92ms. Allocated memory is still 65.0MB. Free memory was 30.2MB in the beginning and 28.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.22ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 28.3MB in the beginning and 77.3MB in the end (delta: -49.0MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * TraceAbstraction took 957.75ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 80.9MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.59ms. Allocated memory is still 107.0MB. Free memory was 80.9MB in the beginning and 80.4MB in the end (delta: 551.4kB). 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; [L49] CALL __VERIFIER_assert(count == 0) [L19] COND FALSE !(!(cond)) [L49] RET __VERIFIER_assert(count == 0) [L50] COND TRUE count < 5 [L51] count++ [L52] longjmp(my_jump_buffer, 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 1 procedures, 10 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, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 1 NumberOfNonLiveVariables, 28 ConjunctsInSsa, 3 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 [2024-10-10 22:33:09,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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