./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 99eae710bb65117965e888814fdf21f3293eedb65395b3dcb2fbe8f4cba64be6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 10:42:20,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 10:42:20,478 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-05 10:42:20,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 10:42:20,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 10:42:20,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 10:42:20,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 10:42:20,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 10:42:20,508 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 10:42:20,508 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 10:42:20,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 10:42:20,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 10:42:20,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 10:42:20,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 10:42:20,509 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 10:42:20,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 10:42:20,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 10:42:20,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 10:42:20,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 10:42:20,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 10:42:20,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 10:42:20,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 10:42:20,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 10:42:20,510 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 10:42:20,510 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 10:42:20,510 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 10:42:20,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 10:42:20,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 10:42:20,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 10:42:20,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 10:42:20,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 10:42:20,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 10:42:20,511 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 10:42:20,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 10:42:20,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 10:42:20,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 10:42:20,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 10:42:20,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 10:42:20,512 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 10:42:20,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 10:42:20,512 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-jdk21/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 -> 99eae710bb65117965e888814fdf21f3293eedb65395b3dcb2fbe8f4cba64be6 [2025-02-05 10:42:20,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 10:42:20,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 10:42:20,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 10:42:20,742 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 10:42:20,742 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 10:42:20,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i [2025-02-05 10:42:21,815 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bab8a41a/00452f00eed54dd693a64f8f1609e239/FLAG1fb560bb8 [2025-02-05 10:42:22,166 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 10:42:22,167 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i [2025-02-05 10:42:22,176 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bab8a41a/00452f00eed54dd693a64f8f1609e239/FLAG1fb560bb8 [2025-02-05 10:42:22,399 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bab8a41a/00452f00eed54dd693a64f8f1609e239 [2025-02-05 10:42:22,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 10:42:22,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 10:42:22,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 10:42:22,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 10:42:22,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 10:42:22,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af87989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22, skipping insertion in model container [2025-02-05 10:42:22,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,441 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 10:42:22,564 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i[1090,1103] [2025-02-05 10:42:22,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 10:42:22,745 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 10:42:22,753 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i[1090,1103] [2025-02-05 10:42:22,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 10:42:22,815 INFO L204 MainTranslator]: Completed translation [2025-02-05 10:42:22,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22 WrapperNode [2025-02-05 10:42:22,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 10:42:22,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 10:42:22,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 10:42:22,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 10:42:22,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,846 INFO L138 Inliner]: procedures = 187, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2025-02-05 10:42:22,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 10:42:22,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 10:42:22,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 10:42:22,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 10:42:22,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,854 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,865 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-05 10:42:22,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,868 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 10:42:22,871 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 10:42:22,871 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 10:42:22,871 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 10:42:22,873 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (1/1) ... [2025-02-05 10:42:22,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 10:42:22,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 10:42:22,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 10:42:22,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 10:42:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-05 10:42:22,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-05 10:42:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 10:42:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 10:42:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 10:42:22,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 10:42:22,978 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 10:42:22,979 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 10:42:23,080 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2025-02-05 10:42:23,080 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 10:42:23,086 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 10:42:23,088 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 10:42:23,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:42:23 BoogieIcfgContainer [2025-02-05 10:42:23,089 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 10:42:23,090 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 10:42:23,090 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 10:42:23,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 10:42:23,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:42:22" (1/3) ... [2025-02-05 10:42:23,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b395b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:42:23, skipping insertion in model container [2025-02-05 10:42:23,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:22" (2/3) ... [2025-02-05 10:42:23,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b395b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:42:23, skipping insertion in model container [2025-02-05 10:42:23,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:42:23" (3/3) ... [2025-02-05 10:42:23,096 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_44-simple-else-path_true.i [2025-02-05 10:42:23,106 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 10:42:23,107 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_44-simple-else-path_true.i that has 2 procedures, 23 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-02-05 10:42:23,145 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 10:42:23,154 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;@3843c75f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 10:42:23,154 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-05 10:42:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 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) [2025-02-05 10:42:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-05 10:42:23,162 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 10:42:23,162 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-05 10:42:23,162 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 10:42:23,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 10:42:23,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1389921879, now seen corresponding path program 1 times [2025-02-05 10:42:23,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 10:42:23,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249380415] [2025-02-05 10:42:23,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 10:42:23,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 10:42:23,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-05 10:42:23,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-05 10:42:23,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:42:23,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 10:42:23,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 10:42:23,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 10:42:23,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249380415] [2025-02-05 10:42:23,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249380415] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 10:42:23,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 10:42:23,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-05 10:42:23,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157645930] [2025-02-05 10:42:23,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 10:42:23,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 10:42:23,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 10:42:23,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 10:42:23,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 10:42:23,450 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 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) [2025-02-05 10:42:23,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 10:42:23,532 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2025-02-05 10:42:23,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 10:42:23,534 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 [2025-02-05 10:42:23,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 10:42:23,539 INFO L225 Difference]: With dead ends: 43 [2025-02-05 10:42:23,539 INFO L226 Difference]: Without dead ends: 22 [2025-02-05 10:42:23,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-05 10:42:23,543 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 10:42:23,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 43 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 10:42:23,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2025-02-05 10:42:23,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2025-02-05 10:42:23,567 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) [2025-02-05 10:42:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2025-02-05 10:42:23,572 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 6 [2025-02-05 10:42:23,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 10:42:23,572 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2025-02-05 10:42:23,573 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) [2025-02-05 10:42:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2025-02-05 10:42:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-05 10:42:23,574 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 10:42:23,575 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 10:42:23,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 10:42:23,575 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 10:42:23,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 10:42:23,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1582694109, now seen corresponding path program 1 times [2025-02-05 10:42:23,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 10:42:23,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762949862] [2025-02-05 10:42:23,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 10:42:23,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 10:42:23,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-05 10:42:23,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-05 10:42:23,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:42:23,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 10:42:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 10:42:23,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 10:42:23,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762949862] [2025-02-05 10:42:23,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762949862] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 10:42:23,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 10:42:23,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 10:42:23,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839774775] [2025-02-05 10:42:23,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 10:42:23,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 10:42:23,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 10:42:23,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 10:42:23,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 10:42:23,649 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-05 10:42:23,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 10:42:23,658 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2025-02-05 10:42:23,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 10:42:23,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2025-02-05 10:42:23,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 10:42:23,661 INFO L225 Difference]: With dead ends: 22 [2025-02-05 10:42:23,661 INFO L226 Difference]: Without dead ends: 14 [2025-02-05 10:42:23,661 INFO L434 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 [2025-02-05 10:42:23,662 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 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 [2025-02-05 10:42:23,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 10:42:23,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2025-02-05 10:42:23,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2025-02-05 10:42:23,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 10:42:23,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2025-02-05 10:42:23,666 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 13 [2025-02-05 10:42:23,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 10:42:23,667 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2025-02-05 10:42:23,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-05 10:42:23,667 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2025-02-05 10:42:23,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-05 10:42:23,668 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 10:42:23,668 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 10:42:23,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 10:42:23,668 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 10:42:23,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 10:42:23,669 INFO L85 PathProgramCache]: Analyzing trace with hash 705308433, now seen corresponding path program 1 times [2025-02-05 10:42:23,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 10:42:23,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697663703] [2025-02-05 10:42:23,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 10:42:23,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 10:42:23,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-05 10:42:23,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-05 10:42:23,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:42:23,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 10:42:23,705 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 10:42:23,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-05 10:42:23,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-05 10:42:23,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:42:23,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 10:42:23,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 10:42:23,740 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 10:42:23,740 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-02-05 10:42:23,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-02-05 10:42:23,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-05 10:42:23,745 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-05 10:42:23,759 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 10:42:23,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:42:23 BoogieIcfgContainer [2025-02-05 10:42:23,764 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 10:42:23,765 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 10:42:23,765 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 10:42:23,765 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 10:42:23,766 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:42:23" (3/4) ... [2025-02-05 10:42:23,767 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 10:42:23,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 10:42:23,769 INFO L158 Benchmark]: Toolchain (without parser) took 1367.57ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 41.4MB in the end (delta: 86.1MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-02-05 10:42:23,771 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:42:23,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.56ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 105.8MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-05 10:42:23,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.30ms. Allocated memory is still 167.8MB. Free memory was 105.8MB in the beginning and 103.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:42:23,772 INFO L158 Benchmark]: Boogie Preprocessor took 23.39ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 102.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:42:23,772 INFO L158 Benchmark]: IcfgBuilder took 217.73ms. Allocated memory is still 167.8MB. Free memory was 102.6MB in the beginning and 90.9MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 10:42:23,772 INFO L158 Benchmark]: TraceAbstraction took 674.44ms. Allocated memory is still 167.8MB. Free memory was 90.5MB in the beginning and 41.8MB in the end (delta: 48.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 10:42:23,772 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 167.8MB. Free memory was 41.8MB in the beginning and 41.4MB in the end (delta: 453.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:42:23,773 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 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.56ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 105.8MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.30ms. Allocated memory is still 167.8MB. Free memory was 105.8MB in the beginning and 103.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.39ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 102.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 217.73ms. Allocated memory is still 167.8MB. Free memory was 102.6MB in the beginning and 90.9MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 674.44ms. Allocated memory is still 167.8MB. Free memory was 90.5MB in the beginning and 41.8MB in the end (delta: 48.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 167.8MB. Free memory was 41.8MB in the beginning and 41.4MB in the end (delta: 453.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 727]: 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 727. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; VAL [global=0] [L730] int val; [L731] jmp_buf env_buffer2; VAL [global=0] [L732] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L732] RET __VERIFIER_assert(global == 0) VAL [global=0] [L733] val = _setjmp (env_buffer) VAL [global=0, val=0] [L734] COND FALSE !(val != 0) VAL [global=0] [L740] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L740] RET __VERIFIER_assert(global == 0) VAL [global=0] [L741] CALL fun() [L726] global = 2 VAL [global=2] [L727] longjmp(env_buffer, 2) VAL [global=2] - 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 29 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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 [2025-02-05 10:42:23,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 99eae710bb65117965e888814fdf21f3293eedb65395b3dcb2fbe8f4cba64be6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 10:42:25,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 10:42:25,771 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-02-05 10:42:25,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 10:42:25,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 10:42:25,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 10:42:25,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 10:42:25,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 10:42:25,802 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 10:42:25,802 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 10:42:25,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 10:42:25,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 10:42:25,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 10:42:25,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 10:42:25,803 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 10:42:25,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 10:42:25,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 10:42:25,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 10:42:25,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 10:42:25,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 10:42:25,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 10:42:25,804 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 10:42:25,804 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 10:42:25,805 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 10:42:25,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 10:42:25,805 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 10:42:25,805 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 10:42:25,805 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 10:42:25,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 10:42:25,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 10:42:25,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 10:42:25,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 10:42:25,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 10:42:25,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 10:42:25,806 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 10:42:25,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 10:42:25,806 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 10:42:25,807 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 10:42:25,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 10:42:25,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 10:42:25,807 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 10:42:25,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 10:42:25,807 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-jdk21/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 -> 99eae710bb65117965e888814fdf21f3293eedb65395b3dcb2fbe8f4cba64be6 [2025-02-05 10:42:26,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 10:42:26,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 10:42:26,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 10:42:26,055 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 10:42:26,055 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 10:42:26,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i [2025-02-05 10:42:27,263 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4a0ebfb3b/918ec0cf13c24857b84397b9675c4dc2/FLAG4417534da [2025-02-05 10:42:27,496 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 10:42:27,496 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i [2025-02-05 10:42:27,511 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4a0ebfb3b/918ec0cf13c24857b84397b9675c4dc2/FLAG4417534da [2025-02-05 10:42:27,818 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4a0ebfb3b/918ec0cf13c24857b84397b9675c4dc2 [2025-02-05 10:42:27,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 10:42:27,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 10:42:27,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 10:42:27,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 10:42:27,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 10:42:27,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:42:27" (1/1) ... [2025-02-05 10:42:27,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d13a1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:27, skipping insertion in model container [2025-02-05 10:42:27,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:42:27" (1/1) ... [2025-02-05 10:42:27,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 10:42:27,954 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i[1090,1103] [2025-02-05 10:42:28,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 10:42:28,063 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 10:42:28,070 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/longjmp/68-longjmp_44-simple-else-path_true.i[1090,1103] [2025-02-05 10:42:28,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 10:42:28,150 INFO L204 MainTranslator]: Completed translation [2025-02-05 10:42:28,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28 WrapperNode [2025-02-05 10:42:28,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 10:42:28,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 10:42:28,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 10:42:28,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 10:42:28,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (1/1) ... [2025-02-05 10:42:28,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (1/1) ... [2025-02-05 10:42:28,188 INFO L138 Inliner]: procedures = 188, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2025-02-05 10:42:28,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 10:42:28,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 10:42:28,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 10:42:28,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 10:42:28,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (1/1) ... [2025-02-05 10:42:28,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (1/1) ... [2025-02-05 10:42:28,197 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (1/1) ... [2025-02-05 10:42:28,206 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-05 10:42:28,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (1/1) ... [2025-02-05 10:42:28,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (1/1) ... [2025-02-05 10:42:28,220 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (1/1) ... [2025-02-05 10:42:28,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (1/1) ... [2025-02-05 10:42:28,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (1/1) ... [2025-02-05 10:42:28,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (1/1) ... [2025-02-05 10:42:28,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 10:42:28,230 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 10:42:28,230 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 10:42:28,230 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 10:42:28,230 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (1/1) ... [2025-02-05 10:42:28,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 10:42:28,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 10:42:28,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 10:42:28,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 10:42:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-05 10:42:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-05 10:42:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 10:42:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 10:42:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 10:42:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 10:42:28,326 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 10:42:28,327 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 10:42:28,431 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-02-05 10:42:28,432 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 10:42:28,437 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 10:42:28,437 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 10:42:28,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:42:28 BoogieIcfgContainer [2025-02-05 10:42:28,438 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 10:42:28,439 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 10:42:28,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 10:42:28,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 10:42:28,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:42:27" (1/3) ... [2025-02-05 10:42:28,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5072a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:42:28, skipping insertion in model container [2025-02-05 10:42:28,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:42:28" (2/3) ... [2025-02-05 10:42:28,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5072a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:42:28, skipping insertion in model container [2025-02-05 10:42:28,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:42:28" (3/3) ... [2025-02-05 10:42:28,444 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_44-simple-else-path_true.i [2025-02-05 10:42:28,454 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 10:42:28,455 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_44-simple-else-path_true.i that has 2 procedures, 23 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-02-05 10:42:28,482 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 10:42:28,490 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;@e38cd12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 10:42:28,490 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-05 10:42:28,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 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) [2025-02-05 10:42:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-05 10:42:28,496 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 10:42:28,496 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-05 10:42:28,496 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 10:42:28,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 10:42:28,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1389921879, now seen corresponding path program 1 times [2025-02-05 10:42:28,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 10:42:28,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [590779121] [2025-02-05 10:42:28,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 10:42:28,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 10:42:28,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 10:42:28,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 10:42:28,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 10:42:28,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-05 10:42:28,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-05 10:42:28,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:42:28,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 10:42:28,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-05 10:42:28,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 10:42:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 10:42:28,677 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 10:42:28,677 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 10:42:28,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590779121] [2025-02-05 10:42:28,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590779121] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 10:42:28,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 10:42:28,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-05 10:42:28,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974382092] [2025-02-05 10:42:28,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 10:42:28,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 10:42:28,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 10:42:28,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 10:42:28,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 10:42:28,693 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 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) [2025-02-05 10:42:28,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 10:42:28,757 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2025-02-05 10:42:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 10:42:28,760 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 [2025-02-05 10:42:28,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 10:42:28,764 INFO L225 Difference]: With dead ends: 43 [2025-02-05 10:42:28,764 INFO L226 Difference]: Without dead ends: 22 [2025-02-05 10:42:28,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-05 10:42:28,769 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 10:42:28,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 43 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 10:42:28,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2025-02-05 10:42:28,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2025-02-05 10:42:28,796 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) [2025-02-05 10:42:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2025-02-05 10:42:28,802 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 6 [2025-02-05 10:42:28,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 10:42:28,802 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2025-02-05 10:42:28,802 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) [2025-02-05 10:42:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2025-02-05 10:42:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-05 10:42:28,803 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 10:42:28,804 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 10:42:28,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-05 10:42:29,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 10:42:29,004 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 10:42:29,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 10:42:29,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1582694109, now seen corresponding path program 1 times [2025-02-05 10:42:29,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 10:42:29,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [901559622] [2025-02-05 10:42:29,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 10:42:29,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 10:42:29,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 10:42:29,007 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 10:42:29,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-05 10:42:29,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-05 10:42:29,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-05 10:42:29,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:42:29,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 10:42:29,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-05 10:42:29,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 10:42:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 10:42:29,071 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 10:42:29,071 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 10:42:29,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901559622] [2025-02-05 10:42:29,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901559622] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 10:42:29,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 10:42:29,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 10:42:29,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135254026] [2025-02-05 10:42:29,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 10:42:29,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 10:42:29,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 10:42:29,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 10:42:29,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 10:42:29,074 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-05 10:42:29,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 10:42:29,079 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2025-02-05 10:42:29,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 10:42:29,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2025-02-05 10:42:29,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 10:42:29,080 INFO L225 Difference]: With dead ends: 22 [2025-02-05 10:42:29,080 INFO L226 Difference]: Without dead ends: 14 [2025-02-05 10:42:29,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 10:42:29,081 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 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 [2025-02-05 10:42:29,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 10:42:29,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2025-02-05 10:42:29,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2025-02-05 10:42:29,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 10:42:29,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2025-02-05 10:42:29,084 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 13 [2025-02-05 10:42:29,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 10:42:29,084 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2025-02-05 10:42:29,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-05 10:42:29,084 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2025-02-05 10:42:29,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-05 10:42:29,084 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 10:42:29,084 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 10:42:29,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-05 10:42:29,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 10:42:29,285 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 10:42:29,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 10:42:29,286 INFO L85 PathProgramCache]: Analyzing trace with hash 705308433, now seen corresponding path program 1 times [2025-02-05 10:42:29,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 10:42:29,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [842200106] [2025-02-05 10:42:29,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 10:42:29,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 10:42:29,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 10:42:29,289 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 10:42:29,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-05 10:42:29,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-05 10:42:29,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-05 10:42:29,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:42:29,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 10:42:29,368 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 10:42:29,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-05 10:42:29,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-05 10:42:29,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 10:42:29,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 10:42:29,414 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-02-05 10:42:29,414 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 10:42:29,415 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-02-05 10:42:29,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-02-05 10:42:29,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-05 10:42:29,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 10:42:29,619 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-05 10:42:29,631 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 10:42:29,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:42:29 BoogieIcfgContainer [2025-02-05 10:42:29,633 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 10:42:29,633 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 10:42:29,633 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 10:42:29,633 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 10:42:29,634 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 10:42:28" (3/4) ... [2025-02-05 10:42:29,635 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 10:42:29,636 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 10:42:29,637 INFO L158 Benchmark]: Toolchain (without parser) took 1816.20ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 58.1MB in the beginning and 46.5MB in the end (delta: 11.6MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2025-02-05 10:42:29,637 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:42:29,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.73ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 56.2MB in the end (delta: 1.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2025-02-05 10:42:29,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.26ms. Allocated memory is still 83.9MB. Free memory was 56.2MB in the beginning and 54.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:42:29,637 INFO L158 Benchmark]: Boogie Preprocessor took 40.03ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 52.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:42:29,637 INFO L158 Benchmark]: IcfgBuilder took 208.29ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 41.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 10:42:29,638 INFO L158 Benchmark]: TraceAbstraction took 1193.60ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 40.4MB in the beginning and 47.0MB in the end (delta: -6.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2025-02-05 10:42:29,638 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 100.7MB. Free memory was 47.0MB in the beginning and 46.5MB in the end (delta: 496.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 10:42:29,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.73ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 56.2MB in the end (delta: 1.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.26ms. Allocated memory is still 83.9MB. Free memory was 56.2MB in the beginning and 54.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.03ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 52.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 208.29ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 41.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1193.60ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 40.4MB in the beginning and 47.0MB in the end (delta: -6.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 100.7MB. Free memory was 47.0MB in the beginning and 46.5MB in the end (delta: 496.1kB). 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: 727]: 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 727. Possible FailurePath: [L723] jmp_buf env_buffer; [L724] int global = 0; VAL [global=0] [L730] int val; [L731] jmp_buf env_buffer2; VAL [global=0] [L732] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L732] RET __VERIFIER_assert(global == 0) VAL [global=0] [L733] val = _setjmp (env_buffer) VAL [global=0, val=0] [L734] COND FALSE !(val != 0) VAL [global=0] [L740] CALL __VERIFIER_assert(global == 0) VAL [\old(cond)=1, global=0] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, global=0] [L740] RET __VERIFIER_assert(global == 0) VAL [global=0] [L741] CALL fun() [L726] global = 2 VAL [global=2] [L727] longjmp(env_buffer, 2) VAL [global=2] - 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 29 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 2 NumberOfNonLiveVariables, 107 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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 [2025-02-05 10:42:29,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample