./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe011_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe011_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 c5d6625a918041bec3ddf6b8a37ec84fd94f58444755be51392d35f521d3d51e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 12:48:26,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 12:48:26,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-06 12:48:26,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 12:48:26,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 12:48:26,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 12:48:26,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 12:48:26,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 12:48:26,419 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 12:48:26,419 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 12:48:26,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 12:48:26,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 12:48:26,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 12:48:26,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 12:48:26,419 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 12:48:26,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 12:48:26,420 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 12:48:26,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 12:48:26,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 12:48:26,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 12:48:26,421 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 12:48:26,421 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 12:48:26,421 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-06 12:48:26,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 12:48:26,422 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 12:48:26,422 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 12:48:26,422 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 12:48:26,422 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 12:48:26,422 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 12:48:26,422 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 12:48:26,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 12:48:26,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 12:48:26,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 12:48:26,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 12:48:26,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 12:48:26,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 12:48:26,423 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 12:48:26,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 12:48:26,423 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 12:48:26,423 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 12:48:26,423 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 12:48:26,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 12:48:26,423 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 -> c5d6625a918041bec3ddf6b8a37ec84fd94f58444755be51392d35f521d3d51e [2025-02-06 12:48:26,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 12:48:26,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 12:48:26,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 12:48:26,657 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 12:48:26,662 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 12:48:26,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe011_tso.i [2025-02-06 12:48:27,945 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/387a2a130/f846ba86dc7e48e28ddf5dddd622c94c/FLAG71cb4cd9d [2025-02-06 12:48:28,267 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 12:48:28,267 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe011_tso.i [2025-02-06 12:48:28,277 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/387a2a130/f846ba86dc7e48e28ddf5dddd622c94c/FLAG71cb4cd9d [2025-02-06 12:48:28,289 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/387a2a130/f846ba86dc7e48e28ddf5dddd622c94c [2025-02-06 12:48:28,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 12:48:28,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 12:48:28,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 12:48:28,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 12:48:28,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 12:48:28,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52fa84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28, skipping insertion in model container [2025-02-06 12:48:28,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 12:48:28,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 12:48:28,511 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 12:48:28,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 12:48:28,571 INFO L204 MainTranslator]: Completed translation [2025-02-06 12:48:28,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28 WrapperNode [2025-02-06 12:48:28,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 12:48:28,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 12:48:28,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 12:48:28,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 12:48:28,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,598 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2025-02-06 12:48:28,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 12:48:28,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 12:48:28,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 12:48:28,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 12:48:28,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,609 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,617 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]. [2025-02-06 12:48:28,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,620 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 12:48:28,624 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 12:48:28,624 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 12:48:28,624 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 12:48:28,624 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (1/1) ... [2025-02-06 12:48:28,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 12:48:28,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 12:48:28,666 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) [2025-02-06 12:48:28,670 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 [2025-02-06 12:48:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-06 12:48:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 12:48:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-02-06 12:48:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-02-06 12:48:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-02-06 12:48:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-02-06 12:48:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-02-06 12:48:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-02-06 12:48:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 12:48:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-06 12:48:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 12:48:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 12:48:28,688 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 12:48:28,771 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 12:48:28,773 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 12:48:28,890 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 12:48:28,890 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 12:48:28,957 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 12:48:28,957 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 12:48:28,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:48:28 BoogieIcfgContainer [2025-02-06 12:48:28,958 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 12:48:28,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 12:48:28,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 12:48:28,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 12:48:28,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:48:28" (1/3) ... [2025-02-06 12:48:28,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1217fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:48:28, skipping insertion in model container [2025-02-06 12:48:28,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:48:28" (2/3) ... [2025-02-06 12:48:28,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1217fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:48:28, skipping insertion in model container [2025-02-06 12:48:28,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:48:28" (3/3) ... [2025-02-06 12:48:28,966 INFO L128 eAbstractionObserver]: Analyzing ICFG safe011_tso.i [2025-02-06 12:48:28,977 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 12:48:28,978 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe011_tso.i that has 4 procedures, 42 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-06 12:48:28,978 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 12:48:29,018 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 12:48:29,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2025-02-06 12:48:29,059 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2025-02-06 12:48:29,061 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 12:48:29,063 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 71 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. [2025-02-06 12:48:29,063 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2025-02-06 12:48:29,065 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 39 transitions, 87 flow [2025-02-06 12:48:29,070 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 12:48:29,077 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;@1be310c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 12:48:29,077 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-06 12:48:29,086 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 12:48:29,086 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2025-02-06 12:48:29,086 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 12:48:29,086 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:48:29,087 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:48:29,087 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)] === [2025-02-06 12:48:29,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:48:29,091 INFO L85 PathProgramCache]: Analyzing trace with hash 775915203, now seen corresponding path program 1 times [2025-02-06 12:48:29,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:48:29,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757795450] [2025-02-06 12:48:29,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:48:29,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:48:29,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 12:48:29,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 12:48:29,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:48:29,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:48:29,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:48:29,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:48:29,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757795450] [2025-02-06 12:48:29,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757795450] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:48:29,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:48:29,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-06 12:48:29,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151864865] [2025-02-06 12:48:29,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:48:29,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:48:29,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:48:29,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:48:29,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:48:29,317 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-06 12:48:29,319 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) [2025-02-06 12:48:29,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:48:29,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-06 12:48:29,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:48:29,848 INFO L124 PetriNetUnfolderBase]: 4775/7425 cut-off events. [2025-02-06 12:48:29,849 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2025-02-06 12:48:29,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14320 conditions, 7425 events. 4775/7425 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 43753 event pairs, 4775 based on Foata normal form. 648/8026 useless extension candidates. Maximal degree in co-relation 14309. Up to 6804 conditions per place. [2025-02-06 12:48:29,886 INFO L140 encePairwiseOnDemand]: 39/43 looper letters, 27 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2025-02-06 12:48:29,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 35 transitions, 137 flow [2025-02-06 12:48:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:48:29,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:48:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2025-02-06 12:48:29,896 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4573643410852713 [2025-02-06 12:48:29,897 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 87 flow. Second operand 3 states and 59 transitions. [2025-02-06 12:48:29,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 35 transitions, 137 flow [2025-02-06 12:48:29,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 134 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-02-06 12:48:29,925 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2025-02-06 12:48:29,927 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} [2025-02-06 12:48:29,930 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2025-02-06 12:48:29,930 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2025-02-06 12:48:29,930 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) [2025-02-06 12:48:29,930 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:48:29,930 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:48:29,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 12:48:29,932 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)] === [2025-02-06 12:48:29,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:48:29,932 INFO L85 PathProgramCache]: Analyzing trace with hash 775915600, now seen corresponding path program 1 times [2025-02-06 12:48:29,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:48:29,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861268155] [2025-02-06 12:48:29,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:48:29,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:48:29,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 12:48:29,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 12:48:29,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:48:29,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:48:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:48:30,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:48:30,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861268155] [2025-02-06 12:48:30,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861268155] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:48:30,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:48:30,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 12:48:30,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827114263] [2025-02-06 12:48:30,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:48:30,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 12:48:30,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:48:30,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 12:48:30,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 12:48:30,162 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-06 12:48:30,162 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) [2025-02-06 12:48:30,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:48:30,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-06 12:48:30,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:48:31,526 INFO L124 PetriNetUnfolderBase]: 10814/15935 cut-off events. [2025-02-06 12:48:31,528 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 12:48:31,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31608 conditions, 15935 events. 10814/15935 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 96781 event pairs, 2553 based on Foata normal form. 0/15536 useless extension candidates. Maximal degree in co-relation 31602. Up to 5385 conditions per place. [2025-02-06 12:48:31,581 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 47 selfloop transitions, 6 changer transitions 97/155 dead transitions. [2025-02-06 12:48:31,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 155 transitions, 622 flow [2025-02-06 12:48:31,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 12:48:31,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-02-06 12:48:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 233 transitions. [2025-02-06 12:48:31,584 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6020671834625323 [2025-02-06 12:48:31,584 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 9 states and 233 transitions. [2025-02-06 12:48:31,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 155 transitions, 622 flow [2025-02-06 12:48:31,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 155 transitions, 621 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 12:48:31,589 INFO L231 Difference]: Finished difference. Result has 58 places, 38 transitions, 157 flow [2025-02-06 12:48:31,589 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=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=157, PETRI_PLACES=58, PETRI_TRANSITIONS=38} [2025-02-06 12:48:31,590 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 11 predicate places. [2025-02-06 12:48:31,591 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 38 transitions, 157 flow [2025-02-06 12:48:31,591 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) [2025-02-06 12:48:31,591 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:48:31,591 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:48:31,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 12:48:31,591 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)] === [2025-02-06 12:48:31,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:48:31,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1928231185, now seen corresponding path program 1 times [2025-02-06 12:48:31,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:48:31,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646117224] [2025-02-06 12:48:31,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:48:31,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:48:31,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 12:48:31,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 12:48:31,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:48:31,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:48:31,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:48:31,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:48:31,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646117224] [2025-02-06 12:48:31,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646117224] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:48:31,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:48:31,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:48:31,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093299906] [2025-02-06 12:48:31,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:48:31,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:48:31,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:48:31,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:48:31,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:48:31,767 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-06 12:48:31,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 38 transitions, 157 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) [2025-02-06 12:48:31,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:48:31,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-06 12:48:31,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:48:32,701 INFO L124 PetriNetUnfolderBase]: 8219/12285 cut-off events. [2025-02-06 12:48:32,701 INFO L125 PetriNetUnfolderBase]: For 14263/14263 co-relation queries the response was YES. [2025-02-06 12:48:32,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33697 conditions, 12285 events. 8219/12285 cut-off events. For 14263/14263 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 72271 event pairs, 941 based on Foata normal form. 354/12628 useless extension candidates. Maximal degree in co-relation 33682. Up to 4433 conditions per place. [2025-02-06 12:48:32,762 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 58 selfloop transitions, 7 changer transitions 86/156 dead transitions. [2025-02-06 12:48:32,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 156 transitions, 913 flow [2025-02-06 12:48:32,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 12:48:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-02-06 12:48:32,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 237 transitions. [2025-02-06 12:48:32,766 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5511627906976744 [2025-02-06 12:48:32,766 INFO L175 Difference]: Start difference. First operand has 58 places, 38 transitions, 157 flow. Second operand 10 states and 237 transitions. [2025-02-06 12:48:32,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 156 transitions, 913 flow [2025-02-06 12:48:32,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 156 transitions, 825 flow, removed 21 selfloop flow, removed 4 redundant places. [2025-02-06 12:48:32,850 INFO L231 Difference]: Finished difference. Result has 65 places, 41 transitions, 207 flow [2025-02-06 12:48:32,850 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=207, PETRI_PLACES=65, PETRI_TRANSITIONS=41} [2025-02-06 12:48:32,851 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 18 predicate places. [2025-02-06 12:48:32,852 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 41 transitions, 207 flow [2025-02-06 12:48:32,852 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) [2025-02-06 12:48:32,852 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:48:32,852 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:48:32,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 12:48:32,852 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)] === [2025-02-06 12:48:32,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:48:32,854 INFO L85 PathProgramCache]: Analyzing trace with hash 475428207, now seen corresponding path program 1 times [2025-02-06 12:48:32,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:48:32,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322007605] [2025-02-06 12:48:32,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:48:32,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:48:32,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 12:48:32,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 12:48:32,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:48:32,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:48:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:48:33,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:48:33,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322007605] [2025-02-06 12:48:33,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322007605] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:48:33,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:48:33,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:48:33,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796308954] [2025-02-06 12:48:33,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:48:33,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:48:33,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:48:33,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:48:33,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:48:33,054 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-06 12:48:33,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 41 transitions, 207 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) [2025-02-06 12:48:33,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:48:33,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-06 12:48:33,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:48:34,211 INFO L124 PetriNetUnfolderBase]: 8555/12554 cut-off events. [2025-02-06 12:48:34,212 INFO L125 PetriNetUnfolderBase]: For 33311/33311 co-relation queries the response was YES. [2025-02-06 12:48:34,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38917 conditions, 12554 events. 8555/12554 cut-off events. For 33311/33311 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 72876 event pairs, 694 based on Foata normal form. 359/12905 useless extension candidates. Maximal degree in co-relation 38895. Up to 3968 conditions per place. [2025-02-06 12:48:34,264 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 81 selfloop transitions, 19 changer transitions 113/218 dead transitions. [2025-02-06 12:48:34,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 218 transitions, 1461 flow [2025-02-06 12:48:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 12:48:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-02-06 12:48:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 309 transitions. [2025-02-06 12:48:34,269 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.552772808586762 [2025-02-06 12:48:34,269 INFO L175 Difference]: Start difference. First operand has 65 places, 41 transitions, 207 flow. Second operand 13 states and 309 transitions. [2025-02-06 12:48:34,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 218 transitions, 1461 flow [2025-02-06 12:48:34,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 218 transitions, 1384 flow, removed 36 selfloop flow, removed 3 redundant places. [2025-02-06 12:48:34,357 INFO L231 Difference]: Finished difference. Result has 80 places, 53 transitions, 418 flow [2025-02-06 12:48:34,357 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=418, PETRI_PLACES=80, PETRI_TRANSITIONS=53} [2025-02-06 12:48:34,358 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 33 predicate places. [2025-02-06 12:48:34,358 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 53 transitions, 418 flow [2025-02-06 12:48:34,358 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) [2025-02-06 12:48:34,358 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:48:34,358 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:48:34,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 12:48:34,358 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)] === [2025-02-06 12:48:34,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:48:34,358 INFO L85 PathProgramCache]: Analyzing trace with hash -961321458, now seen corresponding path program 1 times [2025-02-06 12:48:34,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:48:34,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050211741] [2025-02-06 12:48:34,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:48:34,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:48:34,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 12:48:34,380 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 12:48:34,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:48:34,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:48:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:48:34,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:48:34,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050211741] [2025-02-06 12:48:34,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050211741] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:48:34,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:48:34,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:48:34,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116903309] [2025-02-06 12:48:34,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:48:34,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:48:34,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:48:34,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:48:34,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:48:34,553 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-06 12:48:34,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 53 transitions, 418 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) [2025-02-06 12:48:34,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:48:34,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-06 12:48:34,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:48:35,484 INFO L124 PetriNetUnfolderBase]: 7939/11862 cut-off events. [2025-02-06 12:48:35,485 INFO L125 PetriNetUnfolderBase]: For 55138/55153 co-relation queries the response was YES. [2025-02-06 12:48:35,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43162 conditions, 11862 events. 7939/11862 cut-off events. For 55138/55153 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 69686 event pairs, 1127 based on Foata normal form. 278/12135 useless extension candidates. Maximal degree in co-relation 43129. Up to 5057 conditions per place. [2025-02-06 12:48:35,571 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 67 selfloop transitions, 22 changer transitions 75/169 dead transitions. [2025-02-06 12:48:35,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 169 transitions, 1428 flow [2025-02-06 12:48:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 12:48:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-02-06 12:48:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 226 transitions. [2025-02-06 12:48:35,576 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5255813953488372 [2025-02-06 12:48:35,576 INFO L175 Difference]: Start difference. First operand has 80 places, 53 transitions, 418 flow. Second operand 10 states and 226 transitions. [2025-02-06 12:48:35,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 169 transitions, 1428 flow [2025-02-06 12:48:35,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 169 transitions, 1320 flow, removed 54 selfloop flow, removed 10 redundant places. [2025-02-06 12:48:35,823 INFO L231 Difference]: Finished difference. Result has 80 places, 63 transitions, 605 flow [2025-02-06 12:48:35,827 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=605, PETRI_PLACES=80, PETRI_TRANSITIONS=63} [2025-02-06 12:48:35,827 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 33 predicate places. [2025-02-06 12:48:35,828 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 63 transitions, 605 flow [2025-02-06 12:48:35,828 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) [2025-02-06 12:48:35,828 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:48:35,828 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:48:35,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 12:48:35,828 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)] === [2025-02-06 12:48:35,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:48:35,829 INFO L85 PathProgramCache]: Analyzing trace with hash 240508238, now seen corresponding path program 1 times [2025-02-06 12:48:35,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:48:35,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640036912] [2025-02-06 12:48:35,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:48:35,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:48:35,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 12:48:35,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 12:48:35,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:48:35,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:48:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:48:36,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:48:36,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640036912] [2025-02-06 12:48:36,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640036912] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:48:36,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:48:36,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:48:36,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525695061] [2025-02-06 12:48:36,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:48:36,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:48:36,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:48:36,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:48:36,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:48:36,022 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-06 12:48:36,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 63 transitions, 605 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) [2025-02-06 12:48:36,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:48:36,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-06 12:48:36,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:48:37,057 INFO L124 PetriNetUnfolderBase]: 7371/11000 cut-off events. [2025-02-06 12:48:37,057 INFO L125 PetriNetUnfolderBase]: For 49178/49178 co-relation queries the response was YES. [2025-02-06 12:48:37,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40690 conditions, 11000 events. 7371/11000 cut-off events. For 49178/49178 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 63139 event pairs, 1172 based on Foata normal form. 170/11166 useless extension candidates. Maximal degree in co-relation 40656. Up to 4866 conditions per place. [2025-02-06 12:48:37,121 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 69 selfloop transitions, 29 changer transitions 69/172 dead transitions. [2025-02-06 12:48:37,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 172 transitions, 1651 flow [2025-02-06 12:48:37,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 12:48:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-02-06 12:48:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 222 transitions. [2025-02-06 12:48:37,127 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5162790697674419 [2025-02-06 12:48:37,127 INFO L175 Difference]: Start difference. First operand has 80 places, 63 transitions, 605 flow. Second operand 10 states and 222 transitions. [2025-02-06 12:48:37,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 172 transitions, 1651 flow [2025-02-06 12:48:37,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 172 transitions, 1573 flow, removed 39 selfloop flow, removed 6 redundant places. [2025-02-06 12:48:37,239 INFO L231 Difference]: Finished difference. Result has 84 places, 68 transitions, 734 flow [2025-02-06 12:48:37,239 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=734, PETRI_PLACES=84, PETRI_TRANSITIONS=68} [2025-02-06 12:48:37,239 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 37 predicate places. [2025-02-06 12:48:37,239 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 68 transitions, 734 flow [2025-02-06 12:48:37,240 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) [2025-02-06 12:48:37,240 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:48:37,240 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] [2025-02-06 12:48:37,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 12:48:37,240 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)] === [2025-02-06 12:48:37,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:48:37,240 INFO L85 PathProgramCache]: Analyzing trace with hash -638462894, now seen corresponding path program 1 times [2025-02-06 12:48:37,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:48:37,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813284639] [2025-02-06 12:48:37,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:48:37,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:48:37,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 12:48:37,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 12:48:37,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:48:37,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:48:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:48:37,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:48:37,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813284639] [2025-02-06 12:48:37,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813284639] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:48:37,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:48:37,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:48:37,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253282051] [2025-02-06 12:48:37,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:48:37,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:48:37,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:48:37,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:48:37,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:48:37,487 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2025-02-06 12:48:37,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 68 transitions, 734 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) [2025-02-06 12:48:37,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:48:37,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2025-02-06 12:48:37,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:48:38,623 INFO L124 PetriNetUnfolderBase]: 8594/12752 cut-off events. [2025-02-06 12:48:38,623 INFO L125 PetriNetUnfolderBase]: For 65969/65969 co-relation queries the response was YES. [2025-02-06 12:48:38,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47089 conditions, 12752 events. 8594/12752 cut-off events. For 65969/65969 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 74167 event pairs, 1487 based on Foata normal form. 265/13008 useless extension candidates. Maximal degree in co-relation 47052. Up to 5128 conditions per place. [2025-02-06 12:48:38,684 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 56 selfloop transitions, 5 changer transitions 98/164 dead transitions. [2025-02-06 12:48:38,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 164 transitions, 1722 flow [2025-02-06 12:48:38,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 12:48:38,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-06 12:48:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 182 transitions. [2025-02-06 12:48:38,685 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5290697674418605 [2025-02-06 12:48:38,685 INFO L175 Difference]: Start difference. First operand has 84 places, 68 transitions, 734 flow. Second operand 8 states and 182 transitions. [2025-02-06 12:48:38,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 164 transitions, 1722 flow [2025-02-06 12:48:38,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 164 transitions, 1626 flow, removed 29 selfloop flow, removed 9 redundant places. [2025-02-06 12:48:38,776 INFO L231 Difference]: Finished difference. Result has 82 places, 45 transitions, 370 flow [2025-02-06 12:48:38,776 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=370, PETRI_PLACES=82, PETRI_TRANSITIONS=45} [2025-02-06 12:48:38,777 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 35 predicate places. [2025-02-06 12:48:38,777 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 45 transitions, 370 flow [2025-02-06 12:48:38,777 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) [2025-02-06 12:48:38,777 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:48:38,777 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:48:38,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 12:48:38,777 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)] === [2025-02-06 12:48:38,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:48:38,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1747086809, now seen corresponding path program 1 times [2025-02-06 12:48:38,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:48:38,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209924909] [2025-02-06 12:48:38,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:48:38,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:48:38,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 12:48:38,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 12:48:38,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:48:38,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:48:38,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:48:38,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:48:38,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209924909] [2025-02-06 12:48:38,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209924909] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:48:38,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:48:38,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 12:48:38,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474461779] [2025-02-06 12:48:38,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:48:38,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 12:48:38,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:48:38,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 12:48:38,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 12:48:38,843 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 43 [2025-02-06 12:48:38,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 45 transitions, 370 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2025-02-06 12:48:38,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:48:38,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 43 [2025-02-06 12:48:38,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:48:39,308 INFO L124 PetriNetUnfolderBase]: 2936/4645 cut-off events. [2025-02-06 12:48:39,308 INFO L125 PetriNetUnfolderBase]: For 23407/23407 co-relation queries the response was YES. [2025-02-06 12:48:39,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16730 conditions, 4645 events. 2936/4645 cut-off events. For 23407/23407 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 24919 event pairs, 517 based on Foata normal form. 208/4850 useless extension candidates. Maximal degree in co-relation 16693. Up to 2371 conditions per place. [2025-02-06 12:48:39,327 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 73 selfloop transitions, 5 changer transitions 9/92 dead transitions. [2025-02-06 12:48:39,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 92 transitions, 964 flow [2025-02-06 12:48:39,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 12:48:39,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 12:48:39,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions. [2025-02-06 12:48:39,328 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5988372093023255 [2025-02-06 12:48:39,328 INFO L175 Difference]: Start difference. First operand has 82 places, 45 transitions, 370 flow. Second operand 4 states and 103 transitions. [2025-02-06 12:48:39,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 92 transitions, 964 flow [2025-02-06 12:48:39,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 92 transitions, 749 flow, removed 29 selfloop flow, removed 15 redundant places. [2025-02-06 12:48:39,343 INFO L231 Difference]: Finished difference. Result has 68 places, 48 transitions, 297 flow [2025-02-06 12:48:39,343 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=297, PETRI_PLACES=68, PETRI_TRANSITIONS=48} [2025-02-06 12:48:39,344 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 21 predicate places. [2025-02-06 12:48:39,344 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 48 transitions, 297 flow [2025-02-06 12:48:39,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2025-02-06 12:48:39,344 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:48:39,344 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] [2025-02-06 12:48:39,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 12:48:39,344 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)] === [2025-02-06 12:48:39,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:48:39,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1017008368, now seen corresponding path program 1 times [2025-02-06 12:48:39,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:48:39,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667263896] [2025-02-06 12:48:39,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:48:39,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:48:39,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 12:48:39,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 12:48:39,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:48:39,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:48:39,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:48:39,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:48:39,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667263896] [2025-02-06 12:48:39,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667263896] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:48:39,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:48:39,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 12:48:39,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61310454] [2025-02-06 12:48:39,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:48:39,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 12:48:39,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:48:39,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 12:48:39,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 12:48:39,426 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 43 [2025-02-06 12:48:39,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 48 transitions, 297 flow. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 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) [2025-02-06 12:48:39,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:48:39,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 43 [2025-02-06 12:48:39,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:48:39,611 INFO L124 PetriNetUnfolderBase]: 1768/2811 cut-off events. [2025-02-06 12:48:39,611 INFO L125 PetriNetUnfolderBase]: For 7204/7204 co-relation queries the response was YES. [2025-02-06 12:48:39,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9444 conditions, 2811 events. 1768/2811 cut-off events. For 7204/7204 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 13404 event pairs, 276 based on Foata normal form. 154/2962 useless extension candidates. Maximal degree in co-relation 9418. Up to 961 conditions per place. [2025-02-06 12:48:39,622 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 69 selfloop transitions, 8 changer transitions 23/105 dead transitions. [2025-02-06 12:48:39,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 105 transitions, 869 flow [2025-02-06 12:48:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 12:48:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 12:48:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 127 transitions. [2025-02-06 12:48:39,623 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5906976744186047 [2025-02-06 12:48:39,623 INFO L175 Difference]: Start difference. First operand has 68 places, 48 transitions, 297 flow. Second operand 5 states and 127 transitions. [2025-02-06 12:48:39,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 105 transitions, 869 flow [2025-02-06 12:48:39,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 105 transitions, 823 flow, removed 16 selfloop flow, removed 5 redundant places. [2025-02-06 12:48:39,630 INFO L231 Difference]: Finished difference. Result has 69 places, 48 transitions, 295 flow [2025-02-06 12:48:39,630 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=295, PETRI_PLACES=69, PETRI_TRANSITIONS=48} [2025-02-06 12:48:39,631 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 22 predicate places. [2025-02-06 12:48:39,631 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 48 transitions, 295 flow [2025-02-06 12:48:39,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 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) [2025-02-06 12:48:39,631 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:48:39,631 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:48:39,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 12:48:39,631 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)] === [2025-02-06 12:48:39,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:48:39,632 INFO L85 PathProgramCache]: Analyzing trace with hash -915380569, now seen corresponding path program 1 times [2025-02-06 12:48:39,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:48:39,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852804699] [2025-02-06 12:48:39,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:48:39,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:48:39,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 12:48:39,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 12:48:39,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:48:39,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:48:39,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:48:39,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:48:39,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852804699] [2025-02-06 12:48:39,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852804699] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:48:39,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:48:39,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:48:39,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258614415] [2025-02-06 12:48:39,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:48:39,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:48:39,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:48:39,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:48:39,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:48:39,714 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 43 [2025-02-06 12:48:39,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 48 transitions, 295 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) [2025-02-06 12:48:39,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:48:39,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 43 [2025-02-06 12:48:39,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:48:39,848 INFO L124 PetriNetUnfolderBase]: 1039/1672 cut-off events. [2025-02-06 12:48:39,848 INFO L125 PetriNetUnfolderBase]: For 4160/4160 co-relation queries the response was YES. [2025-02-06 12:48:39,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5781 conditions, 1672 events. 1039/1672 cut-off events. For 4160/4160 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 7612 event pairs, 195 based on Foata normal form. 60/1729 useless extension candidates. Maximal degree in co-relation 5766. Up to 658 conditions per place. [2025-02-06 12:48:39,852 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2025-02-06 12:48:39,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 84 transitions, 663 flow [2025-02-06 12:48:39,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 12:48:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 12:48:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 127 transitions. [2025-02-06 12:48:39,853 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49224806201550386 [2025-02-06 12:48:39,853 INFO L175 Difference]: Start difference. First operand has 69 places, 48 transitions, 295 flow. Second operand 6 states and 127 transitions. [2025-02-06 12:48:39,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 84 transitions, 663 flow [2025-02-06 12:48:39,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 84 transitions, 604 flow, removed 4 selfloop flow, removed 7 redundant places. [2025-02-06 12:48:39,858 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2025-02-06 12:48:39,859 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2025-02-06 12:48:39,859 INFO L279 CegarLoopForPetriNet]: 47 programPoint places, 15 predicate places. [2025-02-06 12:48:39,860 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2025-02-06 12:48:39,860 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) [2025-02-06 12:48:39,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2025-02-06 12:48:39,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2025-02-06 12:48:39,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-02-06 12:48:39,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-02-06 12:48:39,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-02-06 12:48:39,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 12:48:39,866 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:48:39,868 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 12:48:39,869 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 12:48:39,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 12:48:39 BasicIcfg [2025-02-06 12:48:39,872 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 12:48:39,872 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 12:48:39,872 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 12:48:39,872 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 12:48:39,874 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:48:28" (3/4) ... [2025-02-06 12:48:39,875 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 12:48:39,877 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-02-06 12:48:39,877 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-02-06 12:48:39,877 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2025-02-06 12:48:39,880 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2025-02-06 12:48:39,880 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-06 12:48:39,880 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-06 12:48:39,880 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 12:48:39,927 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 12:48:39,927 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 12:48:39,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 12:48:39,928 INFO L158 Benchmark]: Toolchain (without parser) took 11635.57ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 104.5MB in the beginning and 641.7MB in the end (delta: -537.2MB). Peak memory consumption was 658.2MB. Max. memory is 16.1GB. [2025-02-06 12:48:39,928 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 226.5MB. Free memory is still 143.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 12:48:39,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.02ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 85.0MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 12:48:39,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.06ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 12:48:39,928 INFO L158 Benchmark]: Boogie Preprocessor took 24.28ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 81.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 12:48:39,928 INFO L158 Benchmark]: IcfgBuilder took 334.66ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 62.6MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 12:48:39,929 INFO L158 Benchmark]: TraceAbstraction took 10911.85ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 61.9MB in the beginning and 645.9MB in the end (delta: -584.0MB). Peak memory consumption was 616.2MB. Max. memory is 16.1GB. [2025-02-06 12:48:39,929 INFO L158 Benchmark]: Witness Printer took 54.65ms. Allocated memory is still 1.3GB. Free memory was 645.9MB in the beginning and 641.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 12:48:39,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 226.5MB. Free memory is still 143.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.02ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 85.0MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.06ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.28ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 81.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 334.66ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 62.6MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10911.85ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 61.9MB in the beginning and 645.9MB in the end (delta: -584.0MB). Peak memory consumption was 616.2MB. Max. memory is 16.1GB. * Witness Printer took 54.65ms. Allocated memory is still 1.3GB. Free memory was 645.9MB in the beginning and 641.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 774]: 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: 10.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 843 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 840 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1786 IncrementalHoareTripleChecker+Invalid, 1818 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 1 mSDtfsCounter, 1786 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=734occurred in iteration=6, InterpolantAutomatonStates: 78, 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, 1.4s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 185 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! [2025-02-06 12:48:39,998 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