./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/longjmp/68-longjmp_13-counting-local_unknown_1_pos.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da043454 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/longjmp/68-longjmp_13-counting-local_unknown_1_pos.c -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 7cc34de02f8b3d9dcdae280bdbfa24fcf2771215ae05893b1baae606e521bcec --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 10:57:40,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 10:57:40,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-04-29 10:57:40,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 10:57:40,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 10:57:40,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 10:57:40,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 10:57:40,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 10:57:40,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-29 10:57:40,777 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-29 10:57:40,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 10:57:40,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 10:57:40,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 10:57:40,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 10:57:40,778 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 10:57:40,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 10:57:40,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 10:57:40,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 10:57:40,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 10:57:40,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 10:57:40,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 10:57:40,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 10:57:40,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 10:57:40,779 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 10:57:40,779 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 10:57:40,779 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 10:57:40,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 10:57:40,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 10:57:40,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 10:57:40,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:40,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 10:57:40,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 10:57:40,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 10:57:40,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 10:57:40,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:40,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 10:57:40,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 10:57:40,780 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 10:57:40,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 10:57:40,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 10:57:40,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 10:57:40,781 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 10:57:40,781 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 10:57:40,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 10:57:40,781 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc34de02f8b3d9dcdae280bdbfa24fcf2771215ae05893b1baae606e521bcec [2025-04-29 10:57:40,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 10:57:41,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 10:57:41,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 10:57:41,005 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 10:57:41,005 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 10:57:41,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_13-counting-local_unknown_1_pos.c [2025-04-29 10:57:42,344 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9acda2d/851432ca980b472b98a86aa89ce6ef18/FLAG9d88c0db3 [2025-04-29 10:57:42,552 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 10:57:42,552 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_13-counting-local_unknown_1_pos.c [2025-04-29 10:57:42,554 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:42,554 WARN L117 ultiparseSymbolTable]: System include setjmp.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:42,566 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9acda2d/851432ca980b472b98a86aa89ce6ef18/FLAG9d88c0db3 [2025-04-29 10:57:43,394 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9acda2d/851432ca980b472b98a86aa89ce6ef18 [2025-04-29 10:57:43,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 10:57:43,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 10:57:43,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 10:57:43,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 10:57:43,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 10:57:43,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f123695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43, skipping insertion in model container [2025-04-29 10:57:43,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 10:57:43,527 WARN L117 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_13-counting-local_unknown_1_pos.c[398,411] [2025-04-29 10:57:43,538 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 10:57:43,544 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 10:57:43,557 WARN L117 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_13-counting-local_unknown_1_pos.c[398,411] [2025-04-29 10:57:43,559 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 10:57:43,567 INFO L204 MainTranslator]: Completed translation [2025-04-29 10:57:43,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43 WrapperNode [2025-04-29 10:57:43,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 10:57:43,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 10:57:43,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 10:57:43,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 10:57:43,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,588 INFO L138 Inliner]: procedures = 7, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 18 [2025-04-29 10:57:43,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 10:57:43,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 10:57:43,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 10:57:43,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 10:57:43,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,597 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,604 INFO L175 MemorySlicer]: No memory access in input program. [2025-04-29 10:57:43,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,607 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 10:57:43,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 10:57:43,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 10:57:43,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 10:57:43,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (1/1) ... [2025-04-29 10:57:43,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:43,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 10:57:43,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-29 10:57:43,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-29 10:57:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 10:57:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 10:57:43,697 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 10:57:43,698 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 10:57:43,762 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-04-29 10:57:43,763 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 10:57:43,770 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 10:57:43,770 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-04-29 10:57:43,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:43 BoogieIcfgContainer [2025-04-29 10:57:43,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 10:57:43,773 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 10:57:43,773 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 10:57:43,776 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 10:57:43,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 10:57:43" (1/3) ... [2025-04-29 10:57:43,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad1d5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 10:57:43, skipping insertion in model container [2025-04-29 10:57:43,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:43" (2/3) ... [2025-04-29 10:57:43,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad1d5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 10:57:43, skipping insertion in model container [2025-04-29 10:57:43,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:43" (3/3) ... [2025-04-29 10:57:43,779 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_13-counting-local_unknown_1_pos.c [2025-04-29 10:57:43,790 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 10:57:43,793 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_13-counting-local_unknown_1_pos.c that has 1 procedures, 13 locations, 15 edges, 1 initial locations, 1 loop locations, and 2 error locations. [2025-04-29 10:57:43,838 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 10:57:43,848 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60b69b74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 10:57:43,848 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-29 10:57:43,852 INFO L278 IsEmpty]: Start isEmpty. Operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 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) [2025-04-29 10:57:43,856 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-04-29 10:57:43,856 INFO L210 NwaCegarLoop]: Found error trace [2025-04-29 10:57:43,857 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-04-29 10:57:43,857 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-04-29 10:57:43,860 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 10:57:43,861 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2025-04-29 10:57:43,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 10:57:43,868 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552763540] [2025-04-29 10:57:43,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 10:57:43,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 10:57:43,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-29 10:57:43,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-29 10:57:43,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:43,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 10:57:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 10:57:44,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 10:57:44,004 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552763540] [2025-04-29 10:57:44,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552763540] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 10:57:44,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 10:57:44,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-29 10:57:44,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880822392] [2025-04-29 10:57:44,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 10:57:44,008 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 10:57:44,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 10:57:44,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 10:57:44,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 10:57:44,021 INFO L87 Difference]: Start difference. First operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-04-29 10:57:44,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-29 10:57:44,038 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2025-04-29 10:57:44,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 10:57:44,039 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-04-29 10:57:44,039 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-29 10:57:44,043 INFO L225 Difference]: With dead ends: 20 [2025-04-29 10:57:44,043 INFO L226 Difference]: Without dead ends: 7 [2025-04-29 10:57:44,044 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 10:57:44,046 INFO L437 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-29 10:57:44,046 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-29 10:57:44,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2025-04-29 10:57:44,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2025-04-29 10:57:44,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2025-04-29 10:57:44,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2025-04-29 10:57:44,065 INFO L79 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 4 [2025-04-29 10:57:44,065 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-29 10:57:44,065 INFO L485 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2025-04-29 10:57:44,065 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-04-29 10:57:44,065 INFO L278 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2025-04-29 10:57:44,065 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-04-29 10:57:44,065 INFO L210 NwaCegarLoop]: Found error trace [2025-04-29 10:57:44,065 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-04-29 10:57:44,066 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 10:57:44,066 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-04-29 10:57:44,066 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 10:57:44,066 INFO L85 PathProgramCache]: Analyzing trace with hash 889660649, now seen corresponding path program 1 times [2025-04-29 10:57:44,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 10:57:44,066 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358793140] [2025-04-29 10:57:44,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 10:57:44,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 10:57:44,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-29 10:57:44,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-29 10:57:44,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:44,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 10:57:44,082 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-29 10:57:44,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-29 10:57:44,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-29 10:57:44,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:44,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 10:57:44,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-29 10:57:44,103 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-29 10:57:44,104 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-04-29 10:57:44,105 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-04-29 10:57:44,106 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-29 10:57:44,108 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-04-29 10:57:44,131 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 10:57:44,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 10:57:44 BoogieIcfgContainer [2025-04-29 10:57:44,136 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 10:57:44,137 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 10:57:44,137 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 10:57:44,137 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 10:57:44,137 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:43" (3/4) ... [2025-04-29 10:57:44,140 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-04-29 10:57:44,141 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 10:57:44,141 INFO L158 Benchmark]: Toolchain (without parser) took 743.91ms. Allocated memory is still 167.8MB. Free memory was 123.9MB in the beginning and 76.3MB in the end (delta: 47.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-04-29 10:57:44,141 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:44,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.87ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 109.9MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 10:57:44,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.77ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 108.9MB in the end (delta: 983.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:44,142 INFO L158 Benchmark]: Boogie Preprocessor took 23.61ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 107.9MB in the end (delta: 990.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:44,142 INFO L158 Benchmark]: RCFGBuilder took 157.88ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 97.4MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 10:57:44,142 INFO L158 Benchmark]: TraceAbstraction took 362.62ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 76.3MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-04-29 10:57:44,143 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 167.8MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:44,144 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.87ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 109.9MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.77ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 108.9MB in the end (delta: 983.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.61ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 107.9MB in the end (delta: 990.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 157.88ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 97.4MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 362.62ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 76.3MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 167.8MB. Free memory is still 76.3MB. 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: 18]: 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 18. Possible FailurePath: [L14] jmp_buf my_jump_buffer; VAL [my_jump_buffer={0:0}] [L23] volatile int count = 0; [L25] CALL __VERIFIER_assert(count == 0) [L10] COND FALSE !(!(cond)) VAL [my_jump_buffer={0:0}] [L25] RET __VERIFIER_assert(count == 0) [L26] COND TRUE count < 5 [L27] count++ [L28] CALL foo(count) [L18] longjmp(my_jump_buffer, 1) VAL [my_jump_buffer={0:0}] - UnprovableResult [Line: 10]: 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, 13 locations, 15 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-04-29 10:57:44,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/longjmp/68-longjmp_13-counting-local_unknown_1_pos.c -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 7cc34de02f8b3d9dcdae280bdbfa24fcf2771215ae05893b1baae606e521bcec --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 10:57:45,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 10:57:45,982 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-04-29 10:57:45,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 10:57:45,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 10:57:46,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 10:57:46,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 10:57:46,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 10:57:46,007 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-29 10:57:46,007 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-29 10:57:46,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 10:57:46,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 10:57:46,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 10:57:46,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 10:57:46,012 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 10:57:46,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 10:57:46,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 10:57:46,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 10:57:46,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 10:57:46,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 10:57:46,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 10:57:46,012 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-04-29 10:57:46,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-04-29 10:57:46,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-04-29 10:57:46,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 10:57:46,013 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 10:57:46,013 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 10:57:46,013 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 10:57:46,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 10:57:46,013 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 10:57:46,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 10:57:46,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:46,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 10:57:46,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 10:57:46,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-29 10:57:46,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 10:57:46,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:46,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 10:57:46,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 10:57:46,014 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 10:57:46,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 10:57:46,014 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-04-29 10:57:46,014 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-04-29 10:57:46,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 10:57:46,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 10:57:46,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 10:57:46,015 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc34de02f8b3d9dcdae280bdbfa24fcf2771215ae05893b1baae606e521bcec [2025-04-29 10:57:46,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 10:57:46,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 10:57:46,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 10:57:46,246 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 10:57:46,246 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 10:57:46,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/longjmp/68-longjmp_13-counting-local_unknown_1_pos.c [2025-04-29 10:57:47,478 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50e89ce0/a9df6ca6c6784b0eb5f0af7373fab1c4/FLAGf69ab73ae [2025-04-29 10:57:47,630 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 10:57:47,631 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_13-counting-local_unknown_1_pos.c [2025-04-29 10:57:47,632 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:47,632 WARN L117 ultiparseSymbolTable]: System include setjmp.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 10:57:47,635 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50e89ce0/a9df6ca6c6784b0eb5f0af7373fab1c4/FLAGf69ab73ae [2025-04-29 10:57:48,528 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f50e89ce0/a9df6ca6c6784b0eb5f0af7373fab1c4 [2025-04-29 10:57:48,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 10:57:48,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 10:57:48,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 10:57:48,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 10:57:48,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 10:57:48,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea752dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48, skipping insertion in model container [2025-04-29 10:57:48,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 10:57:48,644 WARN L117 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_13-counting-local_unknown_1_pos.c[398,411] [2025-04-29 10:57:48,654 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 10:57:48,657 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 10:57:48,670 WARN L117 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/longjmp/68-longjmp_13-counting-local_unknown_1_pos.c[398,411] [2025-04-29 10:57:48,672 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 10:57:48,681 INFO L204 MainTranslator]: Completed translation [2025-04-29 10:57:48,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48 WrapperNode [2025-04-29 10:57:48,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 10:57:48,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 10:57:48,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 10:57:48,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 10:57:48,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,701 INFO L138 Inliner]: procedures = 7, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 18 [2025-04-29 10:57:48,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 10:57:48,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 10:57:48,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 10:57:48,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 10:57:48,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,708 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,714 INFO L175 MemorySlicer]: No memory access in input program. [2025-04-29 10:57:48,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,717 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 10:57:48,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 10:57:48,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 10:57:48,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 10:57:48,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (1/1) ... [2025-04-29 10:57:48,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 10:57:48,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 10:57:48,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-29 10:57:48,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-29 10:57:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 10:57:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 10:57:48,822 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 10:57:48,823 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 10:57:48,885 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-04-29 10:57:48,886 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 10:57:48,891 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 10:57:48,891 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-04-29 10:57:48,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:48 BoogieIcfgContainer [2025-04-29 10:57:48,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 10:57:48,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 10:57:48,893 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 10:57:48,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 10:57:48,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 10:57:48" (1/3) ... [2025-04-29 10:57:48,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83f79e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 10:57:48, skipping insertion in model container [2025-04-29 10:57:48,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 10:57:48" (2/3) ... [2025-04-29 10:57:48,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83f79e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 10:57:48, skipping insertion in model container [2025-04-29 10:57:48,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:48" (3/3) ... [2025-04-29 10:57:48,900 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_13-counting-local_unknown_1_pos.c [2025-04-29 10:57:48,910 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 10:57:48,912 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_13-counting-local_unknown_1_pos.c that has 1 procedures, 13 locations, 15 edges, 1 initial locations, 1 loop locations, and 2 error locations. [2025-04-29 10:57:48,955 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 10:57:48,964 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@30016181, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 10:57:48,965 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-29 10:57:48,968 INFO L278 IsEmpty]: Start isEmpty. Operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 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) [2025-04-29 10:57:48,971 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-04-29 10:57:48,972 INFO L210 NwaCegarLoop]: Found error trace [2025-04-29 10:57:48,972 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-04-29 10:57:48,972 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-04-29 10:57:48,976 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 10:57:48,977 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2025-04-29 10:57:48,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-04-29 10:57:48,984 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1782190855] [2025-04-29 10:57:48,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 10:57:48,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-29 10:57:48,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 10:57:48,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-29 10:57:48,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-04-29 10:57:49,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-29 10:57:49,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-29 10:57:49,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:49,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 10:57:49,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-29 10:57:49,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-29 10:57:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 10:57:49,100 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-29 10:57:49,100 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-04-29 10:57:49,100 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782190855] [2025-04-29 10:57:49,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782190855] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 10:57:49,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 10:57:49,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-29 10:57:49,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74043020] [2025-04-29 10:57:49,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 10:57:49,105 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 10:57:49,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-04-29 10:57:49,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 10:57:49,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 10:57:49,120 INFO L87 Difference]: Start difference. First operand has 13 states, 10 states have (on average 1.5) internal successors, (15), 12 states have internal predecessors, (15), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-04-29 10:57:49,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-29 10:57:49,138 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2025-04-29 10:57:49,139 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 10:57:49,140 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-04-29 10:57:49,141 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-29 10:57:49,145 INFO L225 Difference]: With dead ends: 20 [2025-04-29 10:57:49,145 INFO L226 Difference]: Without dead ends: 7 [2025-04-29 10:57:49,147 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 10:57:49,149 INFO L437 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-29 10:57:49,150 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-29 10:57:49,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2025-04-29 10:57:49,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2025-04-29 10:57:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2025-04-29 10:57:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2025-04-29 10:57:49,173 INFO L79 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 4 [2025-04-29 10:57:49,173 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-29 10:57:49,173 INFO L485 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2025-04-29 10:57:49,174 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-04-29 10:57:49,174 INFO L278 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2025-04-29 10:57:49,174 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-04-29 10:57:49,174 INFO L210 NwaCegarLoop]: Found error trace [2025-04-29 10:57:49,174 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-04-29 10:57:49,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-04-29 10:57:49,378 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-29 10:57:49,378 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-04-29 10:57:49,378 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 10:57:49,378 INFO L85 PathProgramCache]: Analyzing trace with hash 889660649, now seen corresponding path program 1 times [2025-04-29 10:57:49,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-04-29 10:57:49,379 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [314691192] [2025-04-29 10:57:49,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 10:57:49,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-29 10:57:49,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 10:57:49,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-29 10:57:49,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-29 10:57:49,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-29 10:57:49,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-29 10:57:49,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:49,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 10:57:49,410 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-29 10:57:49,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-29 10:57:49,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-29 10:57:49,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 10:57:49,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 10:57:49,428 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-04-29 10:57:49,428 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-29 10:57:49,429 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-04-29 10:57:49,431 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-04-29 10:57:49,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-29 10:57:49,631 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-29 10:57:49,634 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-04-29 10:57:49,657 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 10:57:49,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 10:57:49 BoogieIcfgContainer [2025-04-29 10:57:49,660 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 10:57:49,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 10:57:49,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 10:57:49,662 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 10:57:49,663 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 10:57:48" (3/4) ... [2025-04-29 10:57:49,664 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-04-29 10:57:49,665 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 10:57:49,665 INFO L158 Benchmark]: Toolchain (without parser) took 1134.49ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 47.0MB in the end (delta: 45.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-04-29 10:57:49,666 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:49,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.99ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 79.2MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 10:57:49,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.98ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:49,668 INFO L158 Benchmark]: Boogie Preprocessor took 22.76ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:49,668 INFO L158 Benchmark]: RCFGBuilder took 165.79ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 67.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 10:57:49,668 INFO L158 Benchmark]: TraceAbstraction took 767.59ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 47.3MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 10:57:49,669 INFO L158 Benchmark]: Witness Printer took 3.45ms. Allocated memory is still 117.4MB. Free memory was 47.3MB in the beginning and 47.0MB in the end (delta: 232.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 10:57:49,670 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.99ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 79.2MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.98ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.76ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 165.79ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 67.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 767.59ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 47.3MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.45ms. Allocated memory is still 117.4MB. Free memory was 47.3MB in the beginning and 47.0MB in the end (delta: 232.3kB). 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: 18]: 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 18. Possible FailurePath: [L14] jmp_buf my_jump_buffer; VAL [my_jump_buffer={0:0}] [L23] volatile int count = 0; [L25] CALL __VERIFIER_assert(count == 0) [L10] COND FALSE !(!(cond)) VAL [my_jump_buffer={0:0}] [L25] RET __VERIFIER_assert(count == 0) [L26] COND TRUE count < 5 [L27] count++ [L28] CALL foo(count) [L18] longjmp(my_jump_buffer, 1) VAL [my_jump_buffer={0:0}] - UnprovableResult [Line: 10]: 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, 13 locations, 15 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 1 NumberOfNonLiveVariables, 9 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-04-29 10:57:49,685 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