./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe005_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 48c9605d 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe005_tso.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f4fff0b2b9fbf3a1c21190a7a3a2488ff184faa22678fe9af5f2740e4422fce --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:23:13,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:23:13,938 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:23:13,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:23:13,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:23:13,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:23:13,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:23:13,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:23:13,956 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:23:13,956 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:23:13,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:23:13,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:23:13,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:23:13,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:23:13,957 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:23:13,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:23:13,957 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:23:13,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:23:13,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:23:13,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:23:13,958 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:23:13,958 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:23:13,958 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:23:13,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:23:13,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:23:13,958 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:23:13,958 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:23:13,958 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:23:13,958 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:23:13,958 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:23:13,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:23:13,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:23:13,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:23:13,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:23:13,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:23:13,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:23:13,959 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:23:13,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:23:13,959 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:23:13,959 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:23:13,959 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:23:13,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:23:13,960 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f4fff0b2b9fbf3a1c21190a7a3a2488ff184faa22678fe9af5f2740e4422fce [2025-02-08 08:23:14,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:23:14,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:23:14,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:23:14,168 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:23:14,169 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:23:14,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe005_tso.i [2025-02-08 08:23:15,335 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4eb73539d/8b9e9bd1bcce4ef483819a71364d0dd4/FLAGc8bfe0122 [2025-02-08 08:23:15,656 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:23:15,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_tso.i [2025-02-08 08:23:15,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4eb73539d/8b9e9bd1bcce4ef483819a71364d0dd4/FLAGc8bfe0122 [2025-02-08 08:23:15,689 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4eb73539d/8b9e9bd1bcce4ef483819a71364d0dd4 [2025-02-08 08:23:15,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:23:15,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:23:15,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:23:15,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:23:15,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:23:15,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:23:15" (1/1) ... [2025-02-08 08:23:15,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a630b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:15, skipping insertion in model container [2025-02-08 08:23:15,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:23:15" (1/1) ... [2025-02-08 08:23:15,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:23:15,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:23:15,959 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:23:15,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:23:16,012 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:23:16,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16 WrapperNode [2025-02-08 08:23:16,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:23:16,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:23:16,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:23:16,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:23:16,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (1/1) ... [2025-02-08 08:23:16,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (1/1) ... [2025-02-08 08:23:16,038 INFO L138 Inliner]: procedures = 175, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2025-02-08 08:23:16,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:23:16,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:23:16,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:23:16,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:23:16,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (1/1) ... [2025-02-08 08:23:16,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (1/1) ... [2025-02-08 08:23:16,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (1/1) ... [2025-02-08 08:23:16,064 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]. [2025-02-08 08:23:16,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (1/1) ... [2025-02-08 08:23:16,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (1/1) ... [2025-02-08 08:23:16,070 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (1/1) ... [2025-02-08 08:23:16,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (1/1) ... [2025-02-08 08:23:16,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (1/1) ... [2025-02-08 08:23:16,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (1/1) ... [2025-02-08 08:23:16,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:23:16,078 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:23:16,078 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:23:16,078 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:23:16,078 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (1/1) ... [2025-02-08 08:23:16,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:23:16,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:23:16,102 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) [2025-02-08 08:23:16,104 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 [2025-02-08 08:23:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 08:23:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:23:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-02-08 08:23:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-02-08 08:23:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-02-08 08:23:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-02-08 08:23:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-02-08 08:23:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-02-08 08:23:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:23:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 08:23:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:23:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:23:16,122 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 08:23:16,204 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:23:16,206 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:23:16,342 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:23:16,342 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:23:16,438 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:23:16,438 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:23:16,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:23:16 BoogieIcfgContainer [2025-02-08 08:23:16,439 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:23:16,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:23:16,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:23:16,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:23:16,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:23:15" (1/3) ... [2025-02-08 08:23:16,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e255fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:23:16, skipping insertion in model container [2025-02-08 08:23:16,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:23:16" (2/3) ... [2025-02-08 08:23:16,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e255fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:23:16, skipping insertion in model container [2025-02-08 08:23:16,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:23:16" (3/3) ... [2025-02-08 08:23:16,448 INFO L128 eAbstractionObserver]: Analyzing ICFG safe005_tso.i [2025-02-08 08:23:16,459 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:23:16,460 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe005_tso.i that has 4 procedures, 43 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-08 08:23:16,461 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:23:16,504 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 08:23:16,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 100 flow [2025-02-08 08:23:16,558 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2025-02-08 08:23:16,560 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:23:16,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 2/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2025-02-08 08:23:16,563 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 44 transitions, 100 flow [2025-02-08 08:23:16,565 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 40 transitions, 89 flow [2025-02-08 08:23:16,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:23:16,587 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=None, 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;@7302015e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:23:16,588 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-08 08:23:16,604 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:23:16,604 INFO L124 PetriNetUnfolderBase]: 2/38 cut-off events. [2025-02-08 08:23:16,605 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:23:16,605 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:23:16,606 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:23:16,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:23:16,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:23:16,611 INFO L85 PathProgramCache]: Analyzing trace with hash -901498321, now seen corresponding path program 1 times [2025-02-08 08:23:16,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:23:16,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481083890] [2025-02-08 08:23:16,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:23:16,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:23:16,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:23:16,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:23:16,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:23:16,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:23:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:23:16,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:23:16,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481083890] [2025-02-08 08:23:16,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481083890] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:23:16,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:23:16,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:23:16,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901847213] [2025-02-08 08:23:16,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:23:16,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:23:16,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:23:16,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:23:16,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:23:16,849 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 44 [2025-02-08 08:23:16,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:16,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:23:16,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 44 [2025-02-08 08:23:16,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:23:17,541 INFO L124 PetriNetUnfolderBase]: 5627/8759 cut-off events. [2025-02-08 08:23:17,541 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES. [2025-02-08 08:23:17,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16858 conditions, 8759 events. 5627/8759 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 52462 event pairs, 5627 based on Foata normal form. 756/9510 useless extension candidates. Maximal degree in co-relation 16847. Up to 7994 conditions per place. [2025-02-08 08:23:17,582 INFO L140 encePairwiseOnDemand]: 40/44 looper letters, 28 selfloop transitions, 1 changer transitions 1/36 dead transitions. [2025-02-08 08:23:17,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 36 transitions, 141 flow [2025-02-08 08:23:17,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:23:17,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 08:23:17,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2025-02-08 08:23:17,592 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45454545454545453 [2025-02-08 08:23:17,593 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 89 flow. Second operand 3 states and 60 transitions. [2025-02-08 08:23:17,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 36 transitions, 141 flow [2025-02-08 08:23:17,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 138 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-02-08 08:23:17,600 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 78 flow [2025-02-08 08:23:17,601 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2025-02-08 08:23:17,605 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2025-02-08 08:23:17,605 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 78 flow [2025-02-08 08:23:17,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:17,605 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:23:17,606 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:23:17,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:23:17,606 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:23:17,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:23:17,608 INFO L85 PathProgramCache]: Analyzing trace with hash -901497895, now seen corresponding path program 1 times [2025-02-08 08:23:17,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:23:17,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523645900] [2025-02-08 08:23:17,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:23:17,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:23:17,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:23:17,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:23:17,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:23:17,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:23:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:23:17,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:23:17,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523645900] [2025-02-08 08:23:17,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523645900] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:23:17,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:23:17,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:23:17,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893987251] [2025-02-08 08:23:17,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:23:17,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:23:17,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:23:17,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:23:17,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:23:17,937 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 44 [2025-02-08 08:23:17,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 78 flow. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:17,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:23:17,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 44 [2025-02-08 08:23:17,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:23:19,233 INFO L124 PetriNetUnfolderBase]: 12675/18592 cut-off events. [2025-02-08 08:23:19,234 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:23:19,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36894 conditions, 18592 events. 12675/18592 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 114943 event pairs, 2879 based on Foata normal form. 0/18170 useless extension candidates. Maximal degree in co-relation 36888. Up to 6462 conditions per place. [2025-02-08 08:23:19,282 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 48 selfloop transitions, 6 changer transitions 99/158 dead transitions. [2025-02-08 08:23:19,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 158 transitions, 634 flow [2025-02-08 08:23:19,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 08:23:19,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-02-08 08:23:19,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 236 transitions. [2025-02-08 08:23:19,284 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5959595959595959 [2025-02-08 08:23:19,284 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 78 flow. Second operand 9 states and 236 transitions. [2025-02-08 08:23:19,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 158 transitions, 634 flow [2025-02-08 08:23:19,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 158 transitions, 633 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 08:23:19,288 INFO L231 Difference]: Finished difference. Result has 59 places, 38 transitions, 149 flow [2025-02-08 08:23:19,288 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=149, PETRI_PLACES=59, PETRI_TRANSITIONS=38} [2025-02-08 08:23:19,289 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 11 predicate places. [2025-02-08 08:23:19,289 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 38 transitions, 149 flow [2025-02-08 08:23:19,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:19,289 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:23:19,289 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:23:19,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:23:19,289 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:23:19,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:23:19,290 INFO L85 PathProgramCache]: Analyzing trace with hash -2107402632, now seen corresponding path program 1 times [2025-02-08 08:23:19,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:23:19,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561441662] [2025-02-08 08:23:19,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:23:19,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:23:19,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:23:19,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:23:19,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:23:19,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:23:19,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:23:19,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:23:19,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561441662] [2025-02-08 08:23:19,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561441662] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:23:19,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:23:19,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:23:19,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897763539] [2025-02-08 08:23:19,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:23:19,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:23:19,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:23:19,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:23:19,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:23:19,498 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 44 [2025-02-08 08:23:19,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 38 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:19,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:23:19,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 44 [2025-02-08 08:23:19,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:23:20,430 INFO L124 PetriNetUnfolderBase]: 9331/13891 cut-off events. [2025-02-08 08:23:20,432 INFO L125 PetriNetUnfolderBase]: For 13974/13978 co-relation queries the response was YES. [2025-02-08 08:23:20,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37442 conditions, 13891 events. 9331/13891 cut-off events. For 13974/13978 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 82850 event pairs, 1294 based on Foata normal form. 360/14246 useless extension candidates. Maximal degree in co-relation 37427. Up to 5495 conditions per place. [2025-02-08 08:23:20,501 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 55 selfloop transitions, 7 changer transitions 87/154 dead transitions. [2025-02-08 08:23:20,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 154 transitions, 841 flow [2025-02-08 08:23:20,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 08:23:20,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-02-08 08:23:20,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 235 transitions. [2025-02-08 08:23:20,504 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5340909090909091 [2025-02-08 08:23:20,505 INFO L175 Difference]: Start difference. First operand has 59 places, 38 transitions, 149 flow. Second operand 10 states and 235 transitions. [2025-02-08 08:23:20,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 154 transitions, 841 flow [2025-02-08 08:23:20,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 154 transitions, 771 flow, removed 14 selfloop flow, removed 4 redundant places. [2025-02-08 08:23:20,605 INFO L231 Difference]: Finished difference. Result has 66 places, 40 transitions, 187 flow [2025-02-08 08:23:20,606 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=187, PETRI_PLACES=66, PETRI_TRANSITIONS=40} [2025-02-08 08:23:20,607 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 18 predicate places. [2025-02-08 08:23:20,607 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 40 transitions, 187 flow [2025-02-08 08:23:20,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:20,607 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:23:20,607 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:23:20,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:23:20,608 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:23:20,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:23:20,608 INFO L85 PathProgramCache]: Analyzing trace with hash 2113908663, now seen corresponding path program 1 times [2025-02-08 08:23:20,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:23:20,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960339190] [2025-02-08 08:23:20,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:23:20,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:23:20,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 08:23:20,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 08:23:20,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:23:20,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:23:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:23:20,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:23:20,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960339190] [2025-02-08 08:23:20,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960339190] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:23:20,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:23:20,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:23:20,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775659253] [2025-02-08 08:23:20,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:23:20,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:23:20,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:23:20,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:23:20,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:23:20,757 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 44 [2025-02-08 08:23:20,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 40 transitions, 187 flow. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:20,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:23:20,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 44 [2025-02-08 08:23:20,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:23:21,510 INFO L124 PetriNetUnfolderBase]: 8273/12509 cut-off events. [2025-02-08 08:23:21,511 INFO L125 PetriNetUnfolderBase]: For 25780/25784 co-relation queries the response was YES. [2025-02-08 08:23:21,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35567 conditions, 12509 events. 8273/12509 cut-off events. For 25780/25784 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 74199 event pairs, 3305 based on Foata normal form. 300/12804 useless extension candidates. Maximal degree in co-relation 35545. Up to 7769 conditions per place. [2025-02-08 08:23:21,556 INFO L140 encePairwiseOnDemand]: 39/44 looper letters, 44 selfloop transitions, 3 changer transitions 62/114 dead transitions. [2025-02-08 08:23:21,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 114 transitions, 703 flow [2025-02-08 08:23:21,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 08:23:21,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-08 08:23:21,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 160 transitions. [2025-02-08 08:23:21,559 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5194805194805194 [2025-02-08 08:23:21,559 INFO L175 Difference]: Start difference. First operand has 66 places, 40 transitions, 187 flow. Second operand 7 states and 160 transitions. [2025-02-08 08:23:21,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 114 transitions, 703 flow [2025-02-08 08:23:21,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 114 transitions, 676 flow, removed 12 selfloop flow, removed 5 redundant places. [2025-02-08 08:23:21,629 INFO L231 Difference]: Finished difference. Result has 66 places, 40 transitions, 191 flow [2025-02-08 08:23:21,629 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=191, PETRI_PLACES=66, PETRI_TRANSITIONS=40} [2025-02-08 08:23:21,631 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 18 predicate places. [2025-02-08 08:23:21,631 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 40 transitions, 191 flow [2025-02-08 08:23:21,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:21,631 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:23:21,631 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:23:21,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:23:21,632 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:23:21,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:23:21,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1449664378, now seen corresponding path program 1 times [2025-02-08 08:23:21,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:23:21,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976536706] [2025-02-08 08:23:21,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:23:21,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:23:21,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 08:23:21,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 08:23:21,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:23:21,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:23:21,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:23:21,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:23:21,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976536706] [2025-02-08 08:23:21,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976536706] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:23:21,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:23:21,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:23:21,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56623955] [2025-02-08 08:23:21,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:23:21,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:23:21,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:23:21,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:23:21,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:23:21,754 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 44 [2025-02-08 08:23:21,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 40 transitions, 191 flow. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:21,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:23:21,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 44 [2025-02-08 08:23:21,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:23:22,634 INFO L124 PetriNetUnfolderBase]: 11682/17293 cut-off events. [2025-02-08 08:23:22,634 INFO L125 PetriNetUnfolderBase]: For 20747/20747 co-relation queries the response was YES. [2025-02-08 08:23:22,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47506 conditions, 17293 events. 11682/17293 cut-off events. For 20747/20747 co-relation queries the response was YES. Maximal size of possible extension queue 610. Compared 105429 event pairs, 3247 based on Foata normal form. 240/17531 useless extension candidates. Maximal degree in co-relation 47482. Up to 8032 conditions per place. [2025-02-08 08:23:22,801 INFO L140 encePairwiseOnDemand]: 37/44 looper letters, 50 selfloop transitions, 5 changer transitions 49/109 dead transitions. [2025-02-08 08:23:22,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 109 transitions, 673 flow [2025-02-08 08:23:22,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:23:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:23:22,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 147 transitions. [2025-02-08 08:23:22,809 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5568181818181818 [2025-02-08 08:23:22,809 INFO L175 Difference]: Start difference. First operand has 66 places, 40 transitions, 191 flow. Second operand 6 states and 147 transitions. [2025-02-08 08:23:22,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 109 transitions, 673 flow [2025-02-08 08:23:23,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 109 transitions, 631 flow, removed 13 selfloop flow, removed 9 redundant places. [2025-02-08 08:23:23,002 INFO L231 Difference]: Finished difference. Result has 62 places, 42 transitions, 207 flow [2025-02-08 08:23:23,003 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=207, PETRI_PLACES=62, PETRI_TRANSITIONS=42} [2025-02-08 08:23:23,003 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 14 predicate places. [2025-02-08 08:23:23,003 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 42 transitions, 207 flow [2025-02-08 08:23:23,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:23,003 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:23:23,004 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:23:23,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 08:23:23,004 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:23:23,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:23:23,004 INFO L85 PathProgramCache]: Analyzing trace with hash 520091859, now seen corresponding path program 1 times [2025-02-08 08:23:23,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:23:23,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052980714] [2025-02-08 08:23:23,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:23:23,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:23:23,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 08:23:23,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 08:23:23,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:23:23,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:23:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:23:23,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:23:23,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052980714] [2025-02-08 08:23:23,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052980714] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:23:23,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:23:23,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 08:23:23,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886984140] [2025-02-08 08:23:23,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:23:23,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 08:23:23,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:23:23,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 08:23:23,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-08 08:23:23,140 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 44 [2025-02-08 08:23:23,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 42 transitions, 207 flow. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:23,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:23:23,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 44 [2025-02-08 08:23:23,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:23:24,282 INFO L124 PetriNetUnfolderBase]: 13285/19700 cut-off events. [2025-02-08 08:23:24,282 INFO L125 PetriNetUnfolderBase]: For 14764/14764 co-relation queries the response was YES. [2025-02-08 08:23:24,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49734 conditions, 19700 events. 13285/19700 cut-off events. For 14764/14764 co-relation queries the response was YES. Maximal size of possible extension queue 709. Compared 121008 event pairs, 2303 based on Foata normal form. 224/19922 useless extension candidates. Maximal degree in co-relation 49713. Up to 4780 conditions per place. [2025-02-08 08:23:24,347 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 70 selfloop transitions, 7 changer transitions 90/172 dead transitions. [2025-02-08 08:23:24,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 172 transitions, 904 flow [2025-02-08 08:23:24,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 08:23:24,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-02-08 08:23:24,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 263 transitions. [2025-02-08 08:23:24,349 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5433884297520661 [2025-02-08 08:23:24,349 INFO L175 Difference]: Start difference. First operand has 62 places, 42 transitions, 207 flow. Second operand 11 states and 263 transitions. [2025-02-08 08:23:24,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 172 transitions, 904 flow [2025-02-08 08:23:24,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 172 transitions, 849 flow, removed 24 selfloop flow, removed 6 redundant places. [2025-02-08 08:23:24,396 INFO L231 Difference]: Finished difference. Result has 70 places, 39 transitions, 179 flow [2025-02-08 08:23:24,396 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=179, PETRI_PLACES=70, PETRI_TRANSITIONS=39} [2025-02-08 08:23:24,397 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 22 predicate places. [2025-02-08 08:23:24,397 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 39 transitions, 179 flow [2025-02-08 08:23:24,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:24,397 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:23:24,397 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:23:24,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 08:23:24,397 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:23:24,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:23:24,398 INFO L85 PathProgramCache]: Analyzing trace with hash 158411608, now seen corresponding path program 1 times [2025-02-08 08:23:24,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:23:24,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624180928] [2025-02-08 08:23:24,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:23:24,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:23:24,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 08:23:24,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 08:23:24,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:23:24,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:23:24,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:23:24,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:23:24,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624180928] [2025-02-08 08:23:24,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624180928] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:23:24,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:23:24,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:23:24,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620013044] [2025-02-08 08:23:24,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:23:24,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:23:24,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:23:24,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:23:24,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:23:24,493 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 44 [2025-02-08 08:23:24,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 39 transitions, 179 flow. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:24,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:23:24,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 44 [2025-02-08 08:23:24,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:23:24,846 INFO L124 PetriNetUnfolderBase]: 5945/9295 cut-off events. [2025-02-08 08:23:24,846 INFO L125 PetriNetUnfolderBase]: For 7840/7840 co-relation queries the response was YES. [2025-02-08 08:23:24,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22812 conditions, 9295 events. 5945/9295 cut-off events. For 7840/7840 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 55924 event pairs, 865 based on Foata normal form. 478/9770 useless extension candidates. Maximal degree in co-relation 22789. Up to 4879 conditions per place. [2025-02-08 08:23:25,020 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 63 selfloop transitions, 5 changer transitions 7/80 dead transitions. [2025-02-08 08:23:25,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 80 transitions, 525 flow [2025-02-08 08:23:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:23:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 08:23:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 106 transitions. [2025-02-08 08:23:25,022 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6022727272727273 [2025-02-08 08:23:25,022 INFO L175 Difference]: Start difference. First operand has 70 places, 39 transitions, 179 flow. Second operand 4 states and 106 transitions. [2025-02-08 08:23:25,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 80 transitions, 525 flow [2025-02-08 08:23:25,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 80 transitions, 466 flow, removed 12 selfloop flow, removed 10 redundant places. [2025-02-08 08:23:25,035 INFO L231 Difference]: Finished difference. Result has 59 places, 42 transitions, 182 flow [2025-02-08 08:23:25,035 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=182, PETRI_PLACES=59, PETRI_TRANSITIONS=42} [2025-02-08 08:23:25,036 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 11 predicate places. [2025-02-08 08:23:25,036 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 42 transitions, 182 flow [2025-02-08 08:23:25,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:25,036 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:23:25,036 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:23:25,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 08:23:25,036 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:23:25,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:23:25,037 INFO L85 PathProgramCache]: Analyzing trace with hash -934992173, now seen corresponding path program 1 times [2025-02-08 08:23:25,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:23:25,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232550831] [2025-02-08 08:23:25,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:23:25,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:23:25,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 08:23:25,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 08:23:25,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:23:25,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:23:25,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:23:25,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:23:25,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232550831] [2025-02-08 08:23:25,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232550831] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:23:25,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:23:25,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:23:25,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784262917] [2025-02-08 08:23:25,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:23:25,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:23:25,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:23:25,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:23:25,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:23:25,109 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 44 [2025-02-08 08:23:25,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 42 transitions, 182 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:25,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:23:25,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 44 [2025-02-08 08:23:25,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:23:25,393 INFO L124 PetriNetUnfolderBase]: 3899/6215 cut-off events. [2025-02-08 08:23:25,393 INFO L125 PetriNetUnfolderBase]: For 4119/4119 co-relation queries the response was YES. [2025-02-08 08:23:25,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16508 conditions, 6215 events. 3899/6215 cut-off events. For 4119/4119 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 34949 event pairs, 475 based on Foata normal form. 376/6588 useless extension candidates. Maximal degree in co-relation 16491. Up to 2113 conditions per place. [2025-02-08 08:23:25,415 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 72 selfloop transitions, 8 changer transitions 13/98 dead transitions. [2025-02-08 08:23:25,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 98 transitions, 616 flow [2025-02-08 08:23:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:23:25,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-08 08:23:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions. [2025-02-08 08:23:25,416 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5954545454545455 [2025-02-08 08:23:25,416 INFO L175 Difference]: Start difference. First operand has 59 places, 42 transitions, 182 flow. Second operand 5 states and 131 transitions. [2025-02-08 08:23:25,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 98 transitions, 616 flow [2025-02-08 08:23:25,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 98 transitions, 606 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-02-08 08:23:25,421 INFO L231 Difference]: Finished difference. Result has 63 places, 45 transitions, 222 flow [2025-02-08 08:23:25,421 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=222, PETRI_PLACES=63, PETRI_TRANSITIONS=45} [2025-02-08 08:23:25,423 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 15 predicate places. [2025-02-08 08:23:25,423 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 45 transitions, 222 flow [2025-02-08 08:23:25,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:25,427 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:23:25,427 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:23:25,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 08:23:25,427 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:23:25,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:23:25,427 INFO L85 PathProgramCache]: Analyzing trace with hash 444017408, now seen corresponding path program 1 times [2025-02-08 08:23:25,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:23:25,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215454531] [2025-02-08 08:23:25,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:23:25,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:23:25,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 08:23:25,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 08:23:25,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:23:25,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:23:25,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:23:25,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:23:25,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215454531] [2025-02-08 08:23:25,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215454531] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:23:25,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:23:25,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:23:25,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585764240] [2025-02-08 08:23:25,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:23:25,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:23:25,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:23:25,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:23:25,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:23:25,536 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 44 [2025-02-08 08:23:25,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 45 transitions, 222 flow. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:25,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:23:25,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 44 [2025-02-08 08:23:25,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:23:25,850 INFO L124 PetriNetUnfolderBase]: 2381/3793 cut-off events. [2025-02-08 08:23:25,851 INFO L125 PetriNetUnfolderBase]: For 4551/4551 co-relation queries the response was YES. [2025-02-08 08:23:25,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11010 conditions, 3793 events. 2381/3793 cut-off events. For 4551/4551 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 19363 event pairs, 395 based on Foata normal form. 172/3962 useless extension candidates. Maximal degree in co-relation 10991. Up to 1268 conditions per place. [2025-02-08 08:23:25,859 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 62 selfloop transitions, 11 changer transitions 10/88 dead transitions. [2025-02-08 08:23:25,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 88 transitions, 562 flow [2025-02-08 08:23:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:23:25,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:23:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 134 transitions. [2025-02-08 08:23:25,861 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5075757575757576 [2025-02-08 08:23:25,861 INFO L175 Difference]: Start difference. First operand has 63 places, 45 transitions, 222 flow. Second operand 6 states and 134 transitions. [2025-02-08 08:23:25,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 88 transitions, 562 flow [2025-02-08 08:23:25,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 88 transitions, 512 flow, removed 13 selfloop flow, removed 7 redundant places. [2025-02-08 08:23:25,872 INFO L231 Difference]: Finished difference. Result has 63 places, 45 transitions, 223 flow [2025-02-08 08:23:25,873 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=223, PETRI_PLACES=63, PETRI_TRANSITIONS=45} [2025-02-08 08:23:25,874 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 15 predicate places. [2025-02-08 08:23:25,874 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 45 transitions, 223 flow [2025-02-08 08:23:25,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:25,874 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:23:25,874 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:23:25,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 08:23:25,874 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 08:23:25,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:23:25,875 INFO L85 PathProgramCache]: Analyzing trace with hash 548171568, now seen corresponding path program 1 times [2025-02-08 08:23:25,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:23:25,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881755600] [2025-02-08 08:23:25,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:23:25,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:23:25,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 08:23:25,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 08:23:25,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:23:25,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:23:25,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:23:25,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:23:25,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881755600] [2025-02-08 08:23:25,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881755600] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:23:25,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:23:25,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 08:23:25,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479037360] [2025-02-08 08:23:25,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:23:25,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:23:25,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:23:25,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:23:25,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:23:25,987 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 44 [2025-02-08 08:23:25,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 45 transitions, 223 flow. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:25,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:23:25,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 44 [2025-02-08 08:23:25,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:23:26,211 INFO L124 PetriNetUnfolderBase]: 2525/3978 cut-off events. [2025-02-08 08:23:26,212 INFO L125 PetriNetUnfolderBase]: For 4852/4852 co-relation queries the response was YES. [2025-02-08 08:23:26,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11617 conditions, 3978 events. 2525/3978 cut-off events. For 4852/4852 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 20340 event pairs, 864 based on Foata normal form. 16/3991 useless extension candidates. Maximal degree in co-relation 11600. Up to 2236 conditions per place. [2025-02-08 08:23:26,222 INFO L140 encePairwiseOnDemand]: 39/44 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions. [2025-02-08 08:23:26,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 82 transitions, 561 flow [2025-02-08 08:23:26,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:23:26,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:23:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 116 transitions. [2025-02-08 08:23:26,223 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4393939393939394 [2025-02-08 08:23:26,223 INFO L175 Difference]: Start difference. First operand has 63 places, 45 transitions, 223 flow. Second operand 6 states and 116 transitions. [2025-02-08 08:23:26,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 82 transitions, 561 flow [2025-02-08 08:23:26,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 82 transitions, 448 flow, removed 20 selfloop flow, removed 8 redundant places. [2025-02-08 08:23:26,235 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2025-02-08 08:23:26,235 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2025-02-08 08:23:26,235 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 9 predicate places. [2025-02-08 08:23:26,235 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2025-02-08 08:23:26,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:23:26,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2025-02-08 08:23:26,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2025-02-08 08:23:26,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-02-08 08:23:26,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-02-08 08:23:26,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-02-08 08:23:26,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 08:23:26,239 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:23:26,242 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 08:23:26,242 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:23:26,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:23:26 BasicIcfg [2025-02-08 08:23:26,245 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:23:26,246 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:23:26,246 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:23:26,246 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:23:26,247 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:23:16" (3/4) ... [2025-02-08 08:23:26,249 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:23:26,251 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-02-08 08:23:26,251 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-02-08 08:23:26,251 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2025-02-08 08:23:26,253 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2025-02-08 08:23:26,253 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-08 08:23:26,253 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-08 08:23:26,253 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 08:23:26,311 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:23:26,311 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:23:26,311 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:23:26,312 INFO L158 Benchmark]: Toolchain (without parser) took 10619.78ms. Allocated memory was 167.8MB in the beginning and 922.7MB in the end (delta: 755.0MB). Free memory was 132.1MB in the beginning and 327.8MB in the end (delta: -195.7MB). Peak memory consumption was 559.2MB. Max. memory is 16.1GB. [2025-02-08 08:23:26,312 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:23:26,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.87ms. Allocated memory is still 167.8MB. Free memory was 131.7MB in the beginning and 111.9MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:23:26,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.11ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 110.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:23:26,312 INFO L158 Benchmark]: Boogie Preprocessor took 38.08ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 108.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:23:26,313 INFO L158 Benchmark]: IcfgBuilder took 361.28ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 88.6MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:23:26,313 INFO L158 Benchmark]: TraceAbstraction took 9804.88ms. Allocated memory was 167.8MB in the beginning and 922.7MB in the end (delta: 755.0MB). Free memory was 88.1MB in the beginning and 332.2MB in the end (delta: -244.1MB). Peak memory consumption was 508.8MB. Max. memory is 16.1GB. [2025-02-08 08:23:26,313 INFO L158 Benchmark]: Witness Printer took 65.58ms. Allocated memory is still 922.7MB. Free memory was 332.2MB in the beginning and 327.8MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:23:26,318 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.87ms. Allocated memory is still 167.8MB. Free memory was 131.7MB in the beginning and 111.9MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.11ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 110.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.08ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 108.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 361.28ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 88.6MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9804.88ms. Allocated memory was 167.8MB in the beginning and 922.7MB in the end (delta: 755.0MB). Free memory was 88.1MB in the beginning and 332.2MB in the end (delta: -244.1MB). Peak memory consumption was 508.8MB. Max. memory is 16.1GB. * Witness Printer took 65.58ms. Allocated memory is still 922.7MB. Free memory was 332.2MB in the beginning and 327.8MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 778]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 68 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 740 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 738 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1784 IncrementalHoareTripleChecker+Invalid, 1819 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 1 mSDtfsCounter, 1784 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=9, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 744 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 08:23:26,342 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: TRUE