./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_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 418d92b2030fda4fdb1f6d4375f06732ddc0ff7a311f3c5fff06600398111aff --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 16:04:18,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 16:04:18,681 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-11 16:04:18,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 16:04:18,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 16:04:18,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 16:04:18,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 16:04:18,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 16:04:18,722 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 16:04:18,723 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 16:04:18,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 16:04:18,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 16:04:18,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 16:04:18,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 16:04:18,725 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 16:04:18,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 16:04:18,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 16:04:18,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 16:04:18,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 16:04:18,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 16:04:18,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 16:04:18,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 16:04:18,732 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 16:04:18,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 16:04:18,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 16:04:18,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 16:04:18,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 16:04:18,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 16:04:18,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 16:04:18,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 16:04:18,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 16:04:18,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 16:04:18,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 16:04:18,737 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 16:04:18,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 16:04:18,739 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 16:04:18,739 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 16:04:18,739 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 16:04:18,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 16:04:18,740 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 418d92b2030fda4fdb1f6d4375f06732ddc0ff7a311f3c5fff06600398111aff [2024-11-11 16:04:18,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 16:04:19,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 16:04:19,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 16:04:19,030 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 16:04:19,030 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 16:04:19,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i [2024-11-11 16:04:20,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 16:04:20,746 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 16:04:20,747 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i [2024-11-11 16:04:20,762 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62acf9692/1052104b6a3240a7a4c166555805540a/FLAGa850a42bf [2024-11-11 16:04:20,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62acf9692/1052104b6a3240a7a4c166555805540a [2024-11-11 16:04:20,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 16:04:20,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 16:04:20,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 16:04:20,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 16:04:20,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 16:04:20,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 04:04:20" (1/1) ... [2024-11-11 16:04:20,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47240516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:20, skipping insertion in model container [2024-11-11 16:04:20,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 04:04:20" (1/1) ... [2024-11-11 16:04:20,835 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 16:04:21,055 WARN L250 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_22-multifun-arg_true.i[1086,1099] [2024-11-11 16:04:21,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 16:04:21,206 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 16:04:21,218 WARN L250 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_22-multifun-arg_true.i[1086,1099] [2024-11-11 16:04:21,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 16:04:21,311 INFO L204 MainTranslator]: Completed translation [2024-11-11 16:04:21,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21 WrapperNode [2024-11-11 16:04:21,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 16:04:21,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 16:04:21,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 16:04:21,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 16:04:21,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (1/1) ... [2024-11-11 16:04:21,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (1/1) ... [2024-11-11 16:04:21,354 INFO L138 Inliner]: procedures = 193, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-11 16:04:21,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 16:04:21,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 16:04:21,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 16:04:21,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 16:04:21,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (1/1) ... [2024-11-11 16:04:21,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (1/1) ... [2024-11-11 16:04:21,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (1/1) ... [2024-11-11 16:04:21,381 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 1 writes are split as follows [0, 1]. [2024-11-11 16:04:21,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (1/1) ... [2024-11-11 16:04:21,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (1/1) ... [2024-11-11 16:04:21,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (1/1) ... [2024-11-11 16:04:21,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (1/1) ... [2024-11-11 16:04:21,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (1/1) ... [2024-11-11 16:04:21,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (1/1) ... [2024-11-11 16:04:21,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 16:04:21,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 16:04:21,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 16:04:21,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 16:04:21,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (1/1) ... [2024-11-11 16:04:21,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 16:04:21,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 16:04:21,432 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) [2024-11-11 16:04:21,435 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 [2024-11-11 16:04:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 16:04:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 16:04:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-11 16:04:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-11 16:04:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-11 16:04:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-11 16:04:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-11 16:04:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-11 16:04:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 16:04:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 16:04:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 16:04:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 16:04:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 16:04:21,592 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 16:04:21,594 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 16:04:21,721 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-11 16:04:21,721 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 16:04:21,735 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 16:04:21,736 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 16:04:21,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:04:21 BoogieIcfgContainer [2024-11-11 16:04:21,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 16:04:21,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 16:04:21,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 16:04:21,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 16:04:21,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 04:04:20" (1/3) ... [2024-11-11 16:04:21,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a9c3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 04:04:21, skipping insertion in model container [2024-11-11 16:04:21,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:21" (2/3) ... [2024-11-11 16:04:21,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a9c3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 04:04:21, skipping insertion in model container [2024-11-11 16:04:21,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:04:21" (3/3) ... [2024-11-11 16:04:21,745 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_22-multifun-arg_true.i [2024-11-11 16:04:21,760 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 16:04:21,761 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-11 16:04:21,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 16:04:21,813 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;@116be8ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 16:04:21,813 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-11 16:04:21,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.3125) internal successors, (21), 19 states have internal predecessors, (21), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-11 16:04:21,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-11 16:04:21,822 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:04:21,822 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-11 16:04:21,822 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:04:21,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:04:21,827 INFO L85 PathProgramCache]: Analyzing trace with hash 890632826, now seen corresponding path program 1 times [2024-11-11 16:04:21,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:04:21,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950739784] [2024-11-11 16:04:21,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:04:21,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:04:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:04:22,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:04:22,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 16:04:22,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950739784] [2024-11-11 16:04:22,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950739784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:04:22,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:04:22,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 16:04:22,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052252688] [2024-11-11 16:04:22,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:04:22,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 16:04:22,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 16:04:22,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 16:04:22,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 16:04:22,309 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.3125) internal successors, (21), 19 states have internal predecessors, (21), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 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) [2024-11-11 16:04:22,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:04:22,406 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2024-11-11 16:04:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 16:04:22,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 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 [2024-11-11 16:04:22,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:04:22,435 INFO L225 Difference]: With dead ends: 47 [2024-11-11 16:04:22,435 INFO L226 Difference]: Without dead ends: 22 [2024-11-11 16:04:22,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 16:04:22,447 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 25 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 16:04:22,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 55 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 16:04:22,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-11 16:04:22,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-11 16:04:22,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 16 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-11 16:04:22,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-11-11 16:04:22,515 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 6 [2024-11-11 16:04:22,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:04:22,516 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-11-11 16:04:22,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 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) [2024-11-11 16:04:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-11 16:04:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-11 16:04:22,518 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:04:22,518 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 16:04:22,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 16:04:22,519 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:04:22,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:04:22,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1965193719, now seen corresponding path program 1 times [2024-11-11 16:04:22,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 16:04:22,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456637471] [2024-11-11 16:04:22,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:04:22,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 16:04:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 16:04:22,579 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-11 16:04:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 16:04:22,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-11 16:04:22,634 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-11 16:04:22,636 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-11 16:04:22,637 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-11 16:04:22,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 16:04:22,641 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-11 16:04:22,661 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 16:04:22,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 04:04:22 BoogieIcfgContainer [2024-11-11 16:04:22,667 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 16:04:22,667 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 16:04:22,668 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 16:04:22,668 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 16:04:22,669 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:04:21" (3/4) ... [2024-11-11 16:04:22,671 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-11 16:04:22,673 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 16:04:22,673 INFO L158 Benchmark]: Toolchain (without parser) took 1891.22ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 71.4MB in the beginning and 153.8MB in the end (delta: -82.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 16:04:22,674 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 16:04:22,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.92ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 71.3MB in the beginning and 156.1MB in the end (delta: -84.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-11-11 16:04:22,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.20ms. Allocated memory is still 199.2MB. Free memory was 156.1MB in the beginning and 154.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 16:04:22,676 INFO L158 Benchmark]: Boogie Preprocessor took 38.45ms. Allocated memory is still 199.2MB. Free memory was 154.0MB in the beginning and 151.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 16:04:22,677 INFO L158 Benchmark]: RCFGBuilder took 342.12ms. Allocated memory is still 199.2MB. Free memory was 150.9MB in the beginning and 138.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-11 16:04:22,678 INFO L158 Benchmark]: TraceAbstraction took 928.30ms. Allocated memory is still 199.2MB. Free memory was 138.3MB in the beginning and 153.8MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 16:04:22,679 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 199.2MB. Free memory is still 153.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 16:04:22,683 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.92ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 71.3MB in the beginning and 156.1MB in the end (delta: -84.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.20ms. Allocated memory is still 199.2MB. Free memory was 156.1MB in the beginning and 154.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.45ms. Allocated memory is still 199.2MB. Free memory was 154.0MB in the beginning and 151.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 342.12ms. Allocated memory is still 199.2MB. Free memory was 150.9MB in the beginning and 138.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 928.30ms. Allocated memory is still 199.2MB. Free memory was 138.3MB in the beginning and 153.8MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 199.2MB. Free memory is still 153.8MB. 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: 738]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 738. Possible FailurePath: [L734] jmp_buf env_buffer; [L735] int global = 0; VAL [global=0] [L746] volatile int val = 0; [L746] volatile int val = 0; VAL [global=0] [L747] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L747] RET __VERIFIER_assert(global == 0) VAL [global=0, val={16:0}] [L748] int x = _setjmp (env_buffer); VAL [global=0, val={16:0}, x=0] [L749] COND TRUE 0 == x [L750] CALL fun(&val) [L741] global = 42 [L742] *ptr = 1 [L743] CALL foo() [L737] int local = 7; VAL [global=42] [L738] longjmp(env_buffer, 2) VAL [global=42] - 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 18 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 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 [2024-11-11 16:04:22,713 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/11.0.12-open/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 ../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_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 418d92b2030fda4fdb1f6d4375f06732ddc0ff7a311f3c5fff06600398111aff --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 16:04:24,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 16:04:24,985 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-11 16:04:24,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 16:04:24,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 16:04:25,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 16:04:25,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 16:04:25,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 16:04:25,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 16:04:25,026 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 16:04:25,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 16:04:25,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 16:04:25,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 16:04:25,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 16:04:25,029 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 16:04:25,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 16:04:25,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 16:04:25,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 16:04:25,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 16:04:25,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 16:04:25,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 16:04:25,034 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-11 16:04:25,034 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-11 16:04:25,035 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 16:04:25,035 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-11 16:04:25,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 16:04:25,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 16:04:25,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 16:04:25,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 16:04:25,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 16:04:25,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 16:04:25,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 16:04:25,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 16:04:25,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 16:04:25,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 16:04:25,038 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-11 16:04:25,038 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-11 16:04:25,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 16:04:25,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 16:04:25,041 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 16:04:25,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 16:04:25,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 418d92b2030fda4fdb1f6d4375f06732ddc0ff7a311f3c5fff06600398111aff [2024-11-11 16:04:25,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 16:04:25,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 16:04:25,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 16:04:25,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 16:04:25,371 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 16:04:25,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i [2024-11-11 16:04:26,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 16:04:27,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 16:04:27,242 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_22-multifun-arg_true.i [2024-11-11 16:04:27,265 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e8d734e/019bcce28f1f4972a3f9b53f6bb938aa/FLAGa7e0e6a98 [2024-11-11 16:04:27,283 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e8d734e/019bcce28f1f4972a3f9b53f6bb938aa [2024-11-11 16:04:27,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 16:04:27,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 16:04:27,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 16:04:27,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 16:04:27,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 16:04:27,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:27,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20326e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27, skipping insertion in model container [2024-11-11 16:04:27,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:27,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 16:04:27,553 WARN L250 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_22-multifun-arg_true.i[1086,1099] [2024-11-11 16:04:27,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 16:04:27,779 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 16:04:27,804 WARN L250 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_22-multifun-arg_true.i[1086,1099] [2024-11-11 16:04:27,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 16:04:27,906 INFO L204 MainTranslator]: Completed translation [2024-11-11 16:04:27,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27 WrapperNode [2024-11-11 16:04:27,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 16:04:27,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 16:04:27,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 16:04:27,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 16:04:27,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:27,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:27,961 INFO L138 Inliner]: procedures = 197, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-11 16:04:27,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 16:04:27,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 16:04:27,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 16:04:27,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 16:04:27,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:27,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:27,978 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:28,002 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 1 writes are split as follows [0, 1]. [2024-11-11 16:04:28,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:28,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:28,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:28,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:28,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:28,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:28,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 16:04:28,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 16:04:28,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 16:04:28,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 16:04:28,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (1/1) ... [2024-11-11 16:04:28,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 16:04:28,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 16:04:28,078 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) [2024-11-11 16:04:28,084 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 [2024-11-11 16:04:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-11 16:04:28,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-11 16:04:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 16:04:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 16:04:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-11 16:04:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-11 16:04:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-11 16:04:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-11 16:04:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-11 16:04:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-11 16:04:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-11 16:04:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-11 16:04:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 16:04:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 16:04:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 16:04:28,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 16:04:28,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 16:04:28,482 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-11 16:04:28,483 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 16:04:28,495 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 16:04:28,496 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 16:04:28,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:04:28 BoogieIcfgContainer [2024-11-11 16:04:28,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 16:04:28,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 16:04:28,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 16:04:28,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 16:04:28,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 04:04:27" (1/3) ... [2024-11-11 16:04:28,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436bb9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 04:04:28, skipping insertion in model container [2024-11-11 16:04:28,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 04:04:27" (2/3) ... [2024-11-11 16:04:28,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436bb9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 04:04:28, skipping insertion in model container [2024-11-11 16:04:28,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:04:28" (3/3) ... [2024-11-11 16:04:28,504 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_22-multifun-arg_true.i [2024-11-11 16:04:28,520 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 16:04:28,520 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-11 16:04:28,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 16:04:28,583 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;@b38319d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 16:04:28,584 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-11 16:04:28,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.3125) internal successors, (21), 19 states have internal predecessors, (21), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-11 16:04:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-11 16:04:28,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:04:28,594 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-11 16:04:28,594 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:04:28,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:04:28,600 INFO L85 PathProgramCache]: Analyzing trace with hash 890632826, now seen corresponding path program 1 times [2024-11-11 16:04:28,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 16:04:28,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084685226] [2024-11-11 16:04:28,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:04:28,613 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 [2024-11-11 16:04:28,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 16:04:28,616 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) [2024-11-11 16:04:28,618 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 [2024-11-11 16:04:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 16:04:28,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-11 16:04:28,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 16:04:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 16:04:28,869 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 16:04:28,872 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 16:04:28,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084685226] [2024-11-11 16:04:28,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2084685226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 16:04:28,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 16:04:28,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 16:04:28,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538775513] [2024-11-11 16:04:28,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 16:04:28,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 16:04:28,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 16:04:28,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 16:04:28,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 16:04:28,904 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.3125) internal successors, (21), 19 states have internal predecessors, (21), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 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) [2024-11-11 16:04:28,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 16:04:28,989 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2024-11-11 16:04:28,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 16:04:28,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 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 [2024-11-11 16:04:28,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 16:04:28,997 INFO L225 Difference]: With dead ends: 47 [2024-11-11 16:04:28,998 INFO L226 Difference]: Without dead ends: 22 [2024-11-11 16:04:29,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 16:04:29,003 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 25 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 16:04:29,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 55 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 16:04:29,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-11 16:04:29,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-11 16:04:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 16 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-11 16:04:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-11-11 16:04:29,046 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 6 [2024-11-11 16:04:29,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 16:04:29,047 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-11-11 16:04:29,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 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) [2024-11-11 16:04:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-11 16:04:29,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-11 16:04:29,049 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 16:04:29,049 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 16:04:29,055 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 [2024-11-11 16:04:29,250 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 [2024-11-11 16:04:29,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 16:04:29,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 16:04:29,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1965193719, now seen corresponding path program 1 times [2024-11-11 16:04:29,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 16:04:29,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139495321] [2024-11-11 16:04:29,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 16:04:29,255 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 [2024-11-11 16:04:29,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 16:04:29,257 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) [2024-11-11 16:04:29,259 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 [2024-11-11 16:04:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 16:04:29,372 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-11 16:04:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 16:04:29,412 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-11 16:04:29,413 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-11 16:04:29,414 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-11 16:04:29,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-11 16:04:29,424 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 [2024-11-11 16:04:29,618 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 [2024-11-11 16:04:29,623 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-11 16:04:29,643 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 16:04:29,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 04:04:29 BoogieIcfgContainer [2024-11-11 16:04:29,646 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 16:04:29,647 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 16:04:29,647 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 16:04:29,647 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 16:04:29,647 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 04:04:28" (3/4) ... [2024-11-11 16:04:29,650 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-11 16:04:29,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 16:04:29,652 INFO L158 Benchmark]: Toolchain (without parser) took 2364.84ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 42.0MB in the beginning and 43.0MB in the end (delta: -1.0MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-11-11 16:04:29,652 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 29.8MB in the beginning and 29.8MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 16:04:29,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.75ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 32.0MB in the end (delta: 9.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-11 16:04:29,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.55ms. Allocated memory is still 62.9MB. Free memory was 32.0MB in the beginning and 29.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 16:04:29,655 INFO L158 Benchmark]: Boogie Preprocessor took 71.71ms. Allocated memory is still 62.9MB. Free memory was 29.7MB in the beginning and 27.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 16:04:29,655 INFO L158 Benchmark]: RCFGBuilder took 461.10ms. Allocated memory is still 62.9MB. Free memory was 27.0MB in the beginning and 31.8MB in the end (delta: -4.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-11 16:04:29,655 INFO L158 Benchmark]: TraceAbstraction took 1148.11ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 31.2MB in the beginning and 43.5MB in the end (delta: -12.3MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2024-11-11 16:04:29,655 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 75.5MB. Free memory was 43.5MB in the beginning and 43.0MB in the end (delta: 447.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 16:04:29,660 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 29.8MB in the beginning and 29.8MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.75ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 32.0MB in the end (delta: 9.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.55ms. Allocated memory is still 62.9MB. Free memory was 32.0MB in the beginning and 29.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.71ms. Allocated memory is still 62.9MB. Free memory was 29.7MB in the beginning and 27.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.10ms. Allocated memory is still 62.9MB. Free memory was 27.0MB in the beginning and 31.8MB in the end (delta: -4.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1148.11ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 31.2MB in the beginning and 43.5MB in the end (delta: -12.3MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 75.5MB. Free memory was 43.5MB in the beginning and 43.0MB in the end (delta: 447.3kB). 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: 738]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 738. Possible FailurePath: [L734] jmp_buf env_buffer; [L735] int global = 0; VAL [global=0] [L746] volatile int val = 0; [L746] volatile int val = 0; VAL [global=0] [L747] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L747] RET __VERIFIER_assert(global == 0) VAL [global=0, val={3:0}] [L748] int x = _setjmp (env_buffer); VAL [global=0, val={3:0}, x=0] [L749] COND TRUE 0 == x [L750] CALL fun(&val) [L741] global = 42 [L742] *ptr = 1 [L743] CALL foo() [L737] int local = 7; VAL [global=42] [L738] longjmp(env_buffer, 2) VAL [global=42] - 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 2 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-11 16:04:29,696 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