./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe012_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/safe012_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 8ab6224550afdc7bd147a853b67470808fdf25e83f86b697677572dc7a8a62dd --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:24:17,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:24:17,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:24:17,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:24:17,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:24:17,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:24:17,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:24:17,844 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:24:17,845 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:24:17,845 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:24:17,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:24:17,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:24:17,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:24:17,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:24:17,847 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:24:17,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:24:17,847 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:24:17,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:24:17,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:24:17,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:24:17,847 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:24:17,847 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:24:17,848 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:24:17,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:24:17,848 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:24:17,848 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:24:17,848 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:24:17,848 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:24:17,848 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:24:17,848 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:24:17,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:24:17,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:24:17,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:24:17,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:24:17,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:24:17,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:24:17,849 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:24:17,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:24:17,849 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:24:17,849 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:24:17,849 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:24:17,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:24:17,850 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 -> 8ab6224550afdc7bd147a853b67470808fdf25e83f86b697677572dc7a8a62dd [2025-02-08 08:24:18,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:24:18,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:24:18,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:24:18,109 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:24:18,110 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:24:18,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe012_tso.i [2025-02-08 08:24:19,279 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9a1178e8/0e878ba39b6e4ef08914190837a2296f/FLAGc2e5fac16 [2025-02-08 08:24:19,613 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:24:19,613 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe012_tso.i [2025-02-08 08:24:19,628 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9a1178e8/0e878ba39b6e4ef08914190837a2296f/FLAGc2e5fac16 [2025-02-08 08:24:19,644 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9a1178e8/0e878ba39b6e4ef08914190837a2296f [2025-02-08 08:24:19,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:24:19,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:24:19,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:24:19,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:24:19,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:24:19,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242ba109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19, skipping insertion in model container [2025-02-08 08:24:19,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:24:19,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:24:19,868 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:24:19,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:24:19,916 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:24:19,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19 WrapperNode [2025-02-08 08:24:19,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:24:19,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:24:19,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:24:19,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:24:19,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,940 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2025-02-08 08:24:19,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:24:19,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:24:19,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:24:19,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:24:19,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,962 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 08:24:19,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,968 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:24:19,977 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:24:19,977 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:24:19,977 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:24:19,977 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (1/1) ... [2025-02-08 08:24:19,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:24:19,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:24:20,003 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 08:24:20,006 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 08:24:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 08:24:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:24:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-02-08 08:24:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-02-08 08:24:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-02-08 08:24:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-02-08 08:24:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-02-08 08:24:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-02-08 08:24:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:24:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 08:24:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:24:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:24:20,030 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 08:24:20,104 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:24:20,105 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:24:20,203 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:24:20,203 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:24:20,267 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:24:20,268 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:24:20,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:24:20 BoogieIcfgContainer [2025-02-08 08:24:20,268 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:24:20,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:24:20,270 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:24:20,273 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:24:20,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:24:19" (1/3) ... [2025-02-08 08:24:20,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5ed43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:24:20, skipping insertion in model container [2025-02-08 08:24:20,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:24:19" (2/3) ... [2025-02-08 08:24:20,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5ed43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:24:20, skipping insertion in model container [2025-02-08 08:24:20,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:24:20" (3/3) ... [2025-02-08 08:24:20,275 INFO L128 eAbstractionObserver]: Analyzing ICFG safe012_tso.i [2025-02-08 08:24:20,286 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:24:20,287 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe012_tso.i that has 4 procedures, 42 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-08 08:24:20,287 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:24:20,329 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 08:24:20,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2025-02-08 08:24:20,390 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2025-02-08 08:24:20,397 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:24:20,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 2/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2025-02-08 08:24:20,400 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2025-02-08 08:24:20,402 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 39 transitions, 87 flow [2025-02-08 08:24:20,412 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:24:20,428 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;@72cede1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:24:20,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-08 08:24:20,449 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:24:20,450 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2025-02-08 08:24:20,450 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:24:20,450 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:24:20,450 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:24:20,451 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 08:24:20,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:24:20,459 INFO L85 PathProgramCache]: Analyzing trace with hash 519170518, now seen corresponding path program 1 times [2025-02-08 08:24:20,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:24:20,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812927109] [2025-02-08 08:24:20,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:24:20,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:24:20,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:24:20,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:24:20,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:24:20,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:24:20,759 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 08:24:20,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:24:20,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812927109] [2025-02-08 08:24:20,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812927109] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:24:20,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:24:20,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:24:20,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958660449] [2025-02-08 08:24:20,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:24:20,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:24:20,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:24:20,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:24:20,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:24:20,789 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-08 08:24:20,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 87 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 08:24:20,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:24:20,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-08 08:24:20,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:24:21,494 INFO L124 PetriNetUnfolderBase]: 4775/7463 cut-off events. [2025-02-08 08:24:21,496 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2025-02-08 08:24:21,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14358 conditions, 7463 events. 4775/7463 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 44247 event pairs, 4775 based on Foata normal form. 648/8106 useless extension candidates. Maximal degree in co-relation 14347. Up to 6804 conditions per place. [2025-02-08 08:24:21,540 INFO L140 encePairwiseOnDemand]: 39/43 looper letters, 27 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2025-02-08 08:24:21,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 35 transitions, 137 flow [2025-02-08 08:24:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:24:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 08:24:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2025-02-08 08:24:21,588 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4573643410852713 [2025-02-08 08:24:21,589 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 87 flow. Second operand 3 states and 59 transitions. [2025-02-08 08:24:21,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 35 transitions, 137 flow [2025-02-08 08:24:21,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 134 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-02-08 08:24:21,596 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2025-02-08 08:24:21,598 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2025-02-08 08:24:21,602 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2025-02-08 08:24:21,603 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2025-02-08 08:24:21,603 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 08:24:21,603 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:24:21,603 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:24:21,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:24:21,604 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 08:24:21,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:24:21,605 INFO L85 PathProgramCache]: Analyzing trace with hash 519170944, now seen corresponding path program 1 times [2025-02-08 08:24:21,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:24:21,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560385689] [2025-02-08 08:24:21,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:24:21,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:24:21,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:24:21,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:24:21,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:24:21,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:24:21,895 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 08:24:21,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:24:21,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560385689] [2025-02-08 08:24:21,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560385689] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:24:21,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:24:21,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:24:21,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914541472] [2025-02-08 08:24:21,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:24:21,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:24:21,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:24:21,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:24:21,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:24:21,900 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-08 08:24:21,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 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 08:24:21,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:24:21,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-08 08:24:21,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:24:22,719 INFO L124 PetriNetUnfolderBase]: 6117/9194 cut-off events. [2025-02-08 08:24:22,720 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:24:22,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18054 conditions, 9194 events. 6117/9194 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 53445 event pairs, 1944 based on Foata normal form. 0/8983 useless extension candidates. Maximal degree in co-relation 18048. Up to 5905 conditions per place. [2025-02-08 08:24:22,755 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 40 selfloop transitions, 3 changer transitions 65/113 dead transitions. [2025-02-08 08:24:22,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 113 transitions, 454 flow [2025-02-08 08:24:22,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:24:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 08:24:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 182 transitions. [2025-02-08 08:24:22,759 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5290697674418605 [2025-02-08 08:24:22,759 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 8 states and 182 transitions. [2025-02-08 08:24:22,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 113 transitions, 454 flow [2025-02-08 08:24:22,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 113 transitions, 453 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 08:24:22,764 INFO L231 Difference]: Finished difference. Result has 54 places, 35 transitions, 108 flow [2025-02-08 08:24:22,764 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=108, PETRI_PLACES=54, PETRI_TRANSITIONS=35} [2025-02-08 08:24:22,765 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 7 predicate places. [2025-02-08 08:24:22,765 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 35 transitions, 108 flow [2025-02-08 08:24:22,765 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 08:24:22,765 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:24:22,765 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 08:24:22,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:24:22,766 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 08:24:22,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:24:22,766 INFO L85 PathProgramCache]: Analyzing trace with hash 763185311, now seen corresponding path program 1 times [2025-02-08 08:24:22,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:24:22,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083724766] [2025-02-08 08:24:22,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:24:22,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:24:22,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:24:22,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:24:22,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:24:22,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:24:22,944 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 08:24:22,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:24:22,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083724766] [2025-02-08 08:24:22,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083724766] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:24:22,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:24:22,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:24:22,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37372264] [2025-02-08 08:24:22,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:24:22,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:24:22,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:24:22,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:24:22,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:24:22,947 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-08 08:24:22,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 35 transitions, 108 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 08:24:22,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:24:22,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-08 08:24:22,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:24:23,690 INFO L124 PetriNetUnfolderBase]: 5577/8141 cut-off events. [2025-02-08 08:24:23,691 INFO L125 PetriNetUnfolderBase]: For 5060/5060 co-relation queries the response was YES. [2025-02-08 08:24:23,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19561 conditions, 8141 events. 5577/8141 cut-off events. For 5060/5060 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 45348 event pairs, 455 based on Foata normal form. 210/8349 useless extension candidates. Maximal degree in co-relation 19549. Up to 4273 conditions per place. [2025-02-08 08:24:23,730 INFO L140 encePairwiseOnDemand]: 35/43 looper letters, 72 selfloop transitions, 8 changer transitions 86/171 dead transitions. [2025-02-08 08:24:23,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 171 transitions, 798 flow [2025-02-08 08:24:23,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 08:24:23,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-02-08 08:24:23,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 286 transitions. [2025-02-08 08:24:23,734 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5116279069767442 [2025-02-08 08:24:23,734 INFO L175 Difference]: Start difference. First operand has 54 places, 35 transitions, 108 flow. Second operand 13 states and 286 transitions. [2025-02-08 08:24:23,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 171 transitions, 798 flow [2025-02-08 08:24:23,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 171 transitions, 771 flow, removed 12 selfloop flow, removed 3 redundant places. [2025-02-08 08:24:23,768 INFO L231 Difference]: Finished difference. Result has 68 places, 40 transitions, 192 flow [2025-02-08 08:24:23,768 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=192, PETRI_PLACES=68, PETRI_TRANSITIONS=40} [2025-02-08 08:24:23,769 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 21 predicate places. [2025-02-08 08:24:23,769 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 40 transitions, 192 flow [2025-02-08 08:24:23,770 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 08:24:23,770 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:24:23,770 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 08:24:23,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:24:23,770 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 08:24:23,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:24:23,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1128122593, now seen corresponding path program 1 times [2025-02-08 08:24:23,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:24:23,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948876843] [2025-02-08 08:24:23,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:24:23,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:24:23,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:24:23,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:24:23,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:24:23,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:24:23,947 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 08:24:23,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:24:23,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948876843] [2025-02-08 08:24:23,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948876843] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:24:23,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:24:23,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:24:23,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887029640] [2025-02-08 08:24:23,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:24:23,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:24:23,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:24:23,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:24:23,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:24:23,958 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-08 08:24:23,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 40 transitions, 192 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 08:24:23,959 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:24:23,959 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-08 08:24:23,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:24:24,623 INFO L124 PetriNetUnfolderBase]: 5099/7696 cut-off events. [2025-02-08 08:24:24,623 INFO L125 PetriNetUnfolderBase]: For 20111/20111 co-relation queries the response was YES. [2025-02-08 08:24:24,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23816 conditions, 7696 events. 5099/7696 cut-off events. For 20111/20111 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 42782 event pairs, 1481 based on Foata normal form. 204/7899 useless extension candidates. Maximal degree in co-relation 23794. Up to 5629 conditions per place. [2025-02-08 08:24:24,660 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 48 selfloop transitions, 4 changer transitions 57/114 dead transitions. [2025-02-08 08:24:24,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 114 transitions, 685 flow [2025-02-08 08:24:24,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 08:24:24,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-08 08:24:24,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 160 transitions. [2025-02-08 08:24:24,663 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.53156146179402 [2025-02-08 08:24:24,663 INFO L175 Difference]: Start difference. First operand has 68 places, 40 transitions, 192 flow. Second operand 7 states and 160 transitions. [2025-02-08 08:24:24,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 114 transitions, 685 flow [2025-02-08 08:24:24,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 114 transitions, 625 flow, removed 25 selfloop flow, removed 7 redundant places. [2025-02-08 08:24:24,736 INFO L231 Difference]: Finished difference. Result has 64 places, 40 transitions, 189 flow [2025-02-08 08:24:24,737 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=189, PETRI_PLACES=64, PETRI_TRANSITIONS=40} [2025-02-08 08:24:24,737 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 17 predicate places. [2025-02-08 08:24:24,738 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 40 transitions, 189 flow [2025-02-08 08:24:24,738 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 08:24:24,738 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:24:24,739 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:24:24,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:24:24,739 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 08:24:24,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:24:24,739 INFO L85 PathProgramCache]: Analyzing trace with hash 455323403, now seen corresponding path program 1 times [2025-02-08 08:24:24,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:24:24,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20817874] [2025-02-08 08:24:24,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:24:24,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:24:24,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 08:24:24,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 08:24:24,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:24:24,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:24:24,842 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 08:24:24,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:24:24,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20817874] [2025-02-08 08:24:24,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20817874] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:24:24,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:24:24,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:24:24,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811477231] [2025-02-08 08:24:24,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:24:24,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:24:24,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:24:24,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:24:24,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:24:24,844 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-08 08:24:24,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 40 transitions, 189 flow. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 08:24:24,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:24:24,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-08 08:24:24,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:24:25,510 INFO L124 PetriNetUnfolderBase]: 6002/8876 cut-off events. [2025-02-08 08:24:25,511 INFO L125 PetriNetUnfolderBase]: For 14484/14484 co-relation queries the response was YES. [2025-02-08 08:24:25,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24745 conditions, 8876 events. 6002/8876 cut-off events. For 14484/14484 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 48726 event pairs, 1116 based on Foata normal form. 174/9045 useless extension candidates. Maximal degree in co-relation 24723. Up to 3249 conditions per place. [2025-02-08 08:24:25,533 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 46 selfloop transitions, 3 changer transitions 65/119 dead transitions. [2025-02-08 08:24:25,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 119 transitions, 683 flow [2025-02-08 08:24:25,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:24:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 08:24:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 182 transitions. [2025-02-08 08:24:25,535 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5290697674418605 [2025-02-08 08:24:25,535 INFO L175 Difference]: Start difference. First operand has 64 places, 40 transitions, 189 flow. Second operand 8 states and 182 transitions. [2025-02-08 08:24:25,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 119 transitions, 683 flow [2025-02-08 08:24:25,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 119 transitions, 639 flow, removed 18 selfloop flow, removed 7 redundant places. [2025-02-08 08:24:25,570 INFO L231 Difference]: Finished difference. Result has 66 places, 33 transitions, 135 flow [2025-02-08 08:24:25,570 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=161, 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=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=135, PETRI_PLACES=66, PETRI_TRANSITIONS=33} [2025-02-08 08:24:25,571 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 19 predicate places. [2025-02-08 08:24:25,571 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 33 transitions, 135 flow [2025-02-08 08:24:25,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 08:24:25,571 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:24:25,571 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 08:24:25,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 08:24:25,571 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 08:24:25,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:24:25,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1868578570, now seen corresponding path program 1 times [2025-02-08 08:24:25,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:24:25,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888722921] [2025-02-08 08:24:25,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:24:25,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:24:25,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 08:24:25,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 08:24:25,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:24:25,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:24:25,647 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 08:24:25,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:24:25,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888722921] [2025-02-08 08:24:25,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888722921] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:24:25,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:24:25,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:24:25,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626796988] [2025-02-08 08:24:25,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:24:25,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:24:25,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:24:25,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:24:25,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:24:25,650 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-08 08:24:25,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 33 transitions, 135 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 08:24:25,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:24:25,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-08 08:24:25,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:24:26,109 INFO L124 PetriNetUnfolderBase]: 3884/5823 cut-off events. [2025-02-08 08:24:26,110 INFO L125 PetriNetUnfolderBase]: For 9502/9502 co-relation queries the response was YES. [2025-02-08 08:24:26,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16183 conditions, 5823 events. 3884/5823 cut-off events. For 9502/9502 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 30772 event pairs, 1153 based on Foata normal form. 120/5942 useless extension candidates. Maximal degree in co-relation 16160. Up to 2368 conditions per place. [2025-02-08 08:24:26,142 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 38 selfloop transitions, 3 changer transitions 61/107 dead transitions. [2025-02-08 08:24:26,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 107 transitions, 611 flow [2025-02-08 08:24:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:24:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 08:24:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 176 transitions. [2025-02-08 08:24:26,143 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5116279069767442 [2025-02-08 08:24:26,143 INFO L175 Difference]: Start difference. First operand has 66 places, 33 transitions, 135 flow. Second operand 8 states and 176 transitions. [2025-02-08 08:24:26,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 107 transitions, 611 flow [2025-02-08 08:24:26,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 107 transitions, 502 flow, removed 36 selfloop flow, removed 15 redundant places. [2025-02-08 08:24:26,165 INFO L231 Difference]: Finished difference. Result has 59 places, 33 transitions, 115 flow [2025-02-08 08:24:26,165 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=115, PETRI_PLACES=59, PETRI_TRANSITIONS=33} [2025-02-08 08:24:26,166 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 12 predicate places. [2025-02-08 08:24:26,166 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 33 transitions, 115 flow [2025-02-08 08:24:26,166 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 08:24:26,166 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:24:26,166 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 08:24:26,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 08:24:26,167 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 08:24:26,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:24:26,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1031837817, now seen corresponding path program 1 times [2025-02-08 08:24:26,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:24:26,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082672903] [2025-02-08 08:24:26,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:24:26,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:24:26,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 08:24:26,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 08:24:26,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:24:26,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:24:26,224 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 08:24:26,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:24:26,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082672903] [2025-02-08 08:24:26,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082672903] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:24:26,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:24:26,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:24:26,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554614511] [2025-02-08 08:24:26,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:24:26,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:24:26,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:24:26,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:24:26,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:24:26,225 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 43 [2025-02-08 08:24:26,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 33 transitions, 115 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 08:24:26,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:24:26,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 43 [2025-02-08 08:24:26,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:24:26,415 INFO L124 PetriNetUnfolderBase]: 1531/2460 cut-off events. [2025-02-08 08:24:26,415 INFO L125 PetriNetUnfolderBase]: For 1517/1517 co-relation queries the response was YES. [2025-02-08 08:24:26,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6017 conditions, 2460 events. 1531/2460 cut-off events. For 1517/1517 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 11970 event pairs, 177 based on Foata normal form. 106/2565 useless extension candidates. Maximal degree in co-relation 6000. Up to 1447 conditions per place. [2025-02-08 08:24:26,424 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 49 selfloop transitions, 5 changer transitions 1/60 dead transitions. [2025-02-08 08:24:26,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 60 transitions, 307 flow [2025-02-08 08:24:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:24:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 08:24:26,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 97 transitions. [2025-02-08 08:24:26,426 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.563953488372093 [2025-02-08 08:24:26,426 INFO L175 Difference]: Start difference. First operand has 59 places, 33 transitions, 115 flow. Second operand 4 states and 97 transitions. [2025-02-08 08:24:26,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 60 transitions, 307 flow [2025-02-08 08:24:26,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 60 transitions, 283 flow, removed 6 selfloop flow, removed 8 redundant places. [2025-02-08 08:24:26,430 INFO L231 Difference]: Finished difference. Result has 52 places, 36 transitions, 129 flow [2025-02-08 08:24:26,431 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=52, PETRI_TRANSITIONS=36} [2025-02-08 08:24:26,432 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 5 predicate places. [2025-02-08 08:24:26,432 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 36 transitions, 129 flow [2025-02-08 08:24:26,432 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 08:24:26,432 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:24:26,432 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 08:24:26,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 08:24:26,433 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 08:24:26,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:24:26,433 INFO L85 PathProgramCache]: Analyzing trace with hash 967599740, now seen corresponding path program 1 times [2025-02-08 08:24:26,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:24:26,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863707310] [2025-02-08 08:24:26,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:24:26,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:24:26,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 08:24:26,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 08:24:26,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:24:26,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:24:26,494 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 08:24:26,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:24:26,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863707310] [2025-02-08 08:24:26,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863707310] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:24:26,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:24:26,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:24:26,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599723575] [2025-02-08 08:24:26,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:24:26,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:24:26,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:24:26,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:24:26,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:24:26,496 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 43 [2025-02-08 08:24:26,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 36 transitions, 129 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 08:24:26,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:24:26,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 43 [2025-02-08 08:24:26,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:24:26,615 INFO L124 PetriNetUnfolderBase]: 959/1574 cut-off events. [2025-02-08 08:24:26,615 INFO L125 PetriNetUnfolderBase]: For 874/874 co-relation queries the response was YES. [2025-02-08 08:24:26,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4071 conditions, 1574 events. 959/1574 cut-off events. For 874/874 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 6868 event pairs, 91 based on Foata normal form. 84/1657 useless extension candidates. Maximal degree in co-relation 4058. Up to 661 conditions per place. [2025-02-08 08:24:26,619 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 56 selfloop transitions, 8 changer transitions 1/70 dead transitions. [2025-02-08 08:24:26,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 70 transitions, 371 flow [2025-02-08 08:24:26,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:24:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-08 08:24:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 117 transitions. [2025-02-08 08:24:26,620 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5441860465116279 [2025-02-08 08:24:26,620 INFO L175 Difference]: Start difference. First operand has 52 places, 36 transitions, 129 flow. Second operand 5 states and 117 transitions. [2025-02-08 08:24:26,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 70 transitions, 371 flow [2025-02-08 08:24:26,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 70 transitions, 361 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-02-08 08:24:26,622 INFO L231 Difference]: Finished difference. Result has 56 places, 39 transitions, 169 flow [2025-02-08 08:24:26,622 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=169, PETRI_PLACES=56, PETRI_TRANSITIONS=39} [2025-02-08 08:24:26,622 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 9 predicate places. [2025-02-08 08:24:26,622 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 39 transitions, 169 flow [2025-02-08 08:24:26,623 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 08:24:26,623 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:24:26,623 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 08:24:26,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 08:24:26,623 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 08:24:26,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:24:26,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1787606817, now seen corresponding path program 1 times [2025-02-08 08:24:26,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:24:26,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368872919] [2025-02-08 08:24:26,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:24:26,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:24:26,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 08:24:26,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 08:24:26,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:24:26,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:24:26,697 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 08:24:26,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:24:26,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368872919] [2025-02-08 08:24:26,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368872919] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:24:26,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:24:26,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:24:26,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084337424] [2025-02-08 08:24:26,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:24:26,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:24:26,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:24:26,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:24:26,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:24:26,699 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 43 [2025-02-08 08:24:26,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 39 transitions, 169 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 08:24:26,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:24:26,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 43 [2025-02-08 08:24:26,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:24:26,805 INFO L124 PetriNetUnfolderBase]: 525/860 cut-off events. [2025-02-08 08:24:26,805 INFO L125 PetriNetUnfolderBase]: For 958/958 co-relation queries the response was YES. [2025-02-08 08:24:26,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2431 conditions, 860 events. 525/860 cut-off events. For 958/958 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3097 event pairs, 73 based on Foata normal form. 40/899 useless extension candidates. Maximal degree in co-relation 2416. Up to 284 conditions per place. [2025-02-08 08:24:26,808 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 49 selfloop transitions, 11 changer transitions 1/66 dead transitions. [2025-02-08 08:24:26,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 66 transitions, 370 flow [2025-02-08 08:24:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:24:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:24:26,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 123 transitions. [2025-02-08 08:24:26,809 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.47674418604651164 [2025-02-08 08:24:26,809 INFO L175 Difference]: Start difference. First operand has 56 places, 39 transitions, 169 flow. Second operand 6 states and 123 transitions. [2025-02-08 08:24:26,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 66 transitions, 370 flow [2025-02-08 08:24:26,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 66 transitions, 312 flow, removed 17 selfloop flow, removed 8 redundant places. [2025-02-08 08:24:26,811 INFO L231 Difference]: Finished difference. Result has 55 places, 39 transitions, 165 flow [2025-02-08 08:24:26,811 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=165, PETRI_PLACES=55, PETRI_TRANSITIONS=39} [2025-02-08 08:24:26,812 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 8 predicate places. [2025-02-08 08:24:26,812 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 39 transitions, 165 flow [2025-02-08 08:24:26,812 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 08:24:26,812 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:24:26,812 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] [2025-02-08 08:24:26,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 08:24:26,812 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 08:24:26,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:24:26,813 INFO L85 PathProgramCache]: Analyzing trace with hash 120789578, now seen corresponding path program 1 times [2025-02-08 08:24:26,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:24:26,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551140629] [2025-02-08 08:24:26,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:24:26,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:24:26,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 08:24:26,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 08:24:26,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:24:26,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:24:26,894 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 08:24:26,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:24:26,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551140629] [2025-02-08 08:24:26,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551140629] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:24:26,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:24:26,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 08:24:26,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208111549] [2025-02-08 08:24:26,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:24:26,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:24:26,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:24:26,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:24:26,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:24:26,898 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-08 08:24:26,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 39 transitions, 165 flow. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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 08:24:26,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:24:26,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-08 08:24:26,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:24:27,008 INFO L124 PetriNetUnfolderBase]: 445/715 cut-off events. [2025-02-08 08:24:27,008 INFO L125 PetriNetUnfolderBase]: For 690/690 co-relation queries the response was YES. [2025-02-08 08:24:27,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1939 conditions, 715 events. 445/715 cut-off events. For 690/690 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2379 event pairs, 82 based on Foata normal form. 8/722 useless extension candidates. Maximal degree in co-relation 1927. Up to 444 conditions per place. [2025-02-08 08:24:27,010 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 0 selfloop transitions, 0 changer transitions 54/54 dead transitions. [2025-02-08 08:24:27,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 54 transitions, 323 flow [2025-02-08 08:24:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:24:27,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:24:27,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2025-02-08 08:24:27,011 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3798449612403101 [2025-02-08 08:24:27,011 INFO L175 Difference]: Start difference. First operand has 55 places, 39 transitions, 165 flow. Second operand 6 states and 98 transitions. [2025-02-08 08:24:27,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 54 transitions, 323 flow [2025-02-08 08:24:27,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 54 transitions, 251 flow, removed 10 selfloop flow, removed 8 redundant places. [2025-02-08 08:24:27,012 INFO L231 Difference]: Finished difference. Result has 49 places, 0 transitions, 0 flow [2025-02-08 08:24:27,012 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=49, PETRI_TRANSITIONS=0} [2025-02-08 08:24:27,013 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 2 predicate places. [2025-02-08 08:24:27,013 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 0 transitions, 0 flow [2025-02-08 08:24:27,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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 08:24:27,015 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2025-02-08 08:24:27,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2025-02-08 08:24:27,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-02-08 08:24:27,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-02-08 08:24:27,016 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-02-08 08:24:27,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 08:24:27,016 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:24:27,018 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 08:24:27,018 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:24:27,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:24:27 BasicIcfg [2025-02-08 08:24:27,021 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:24:27,022 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:24:27,022 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:24:27,022 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:24:27,022 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:24:20" (3/4) ... [2025-02-08 08:24:27,024 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:24:27,026 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-02-08 08:24:27,026 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-02-08 08:24:27,026 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2025-02-08 08:24:27,028 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2025-02-08 08:24:27,028 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-08 08:24:27,028 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-08 08:24:27,028 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 08:24:27,076 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:24:27,076 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:24:27,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:24:27,077 INFO L158 Benchmark]: Toolchain (without parser) took 7428.92ms. Allocated memory was 142.6MB in the beginning and 570.4MB in the end (delta: 427.8MB). Free memory was 111.6MB in the beginning and 143.2MB in the end (delta: -31.6MB). Peak memory consumption was 391.4MB. Max. memory is 16.1GB. [2025-02-08 08:24:27,077 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:24:27,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.33ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 91.6MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:24:27,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.46ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 89.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:24:27,077 INFO L158 Benchmark]: Boogie Preprocessor took 35.77ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 88.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:24:27,078 INFO L158 Benchmark]: IcfgBuilder took 291.38ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 68.3MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 08:24:27,078 INFO L158 Benchmark]: TraceAbstraction took 6751.42ms. Allocated memory was 142.6MB in the beginning and 570.4MB in the end (delta: 427.8MB). Free memory was 67.4MB in the beginning and 147.3MB in the end (delta: -80.0MB). Peak memory consumption was 349.5MB. Max. memory is 16.1GB. [2025-02-08 08:24:27,078 INFO L158 Benchmark]: Witness Printer took 54.38ms. Allocated memory is still 570.4MB. Free memory was 147.3MB in the beginning and 143.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:24:27,079 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.33ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 91.6MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.46ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 89.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.77ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 88.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 291.38ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 68.3MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6751.42ms. Allocated memory was 142.6MB in the beginning and 570.4MB in the end (delta: 427.8MB). Free memory was 67.4MB in the beginning and 147.3MB in the end (delta: -80.0MB). Peak memory consumption was 349.5MB. Max. memory is 16.1GB. * Witness Printer took 54.38ms. Allocated memory is still 570.4MB. Free memory was 147.3MB in the beginning and 143.2MB in the end (delta: 4.1MB). There was no memory consumed. 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, 66 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: 6.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 676 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 669 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1532 IncrementalHoareTripleChecker+Invalid, 1550 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 3 mSDtfsCounter, 1532 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=3, InterpolantAutomatonStates: 68, 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, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 697 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 08:24:27,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE