./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G 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 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 17:57:25,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 17:57:25,430 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 17:57:25,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 17:57:25,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 17:57:25,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 17:57:25,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 17:57:25,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 17:57:25,469 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 17:57:25,470 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 17:57:25,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 17:57:25,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 17:57:25,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 17:57:25,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 17:57:25,474 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 17:57:25,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 17:57:25,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 17:57:25,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 17:57:25,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 17:57:25,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 17:57:25,479 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 17:57:25,479 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 17:57:25,479 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 17:57:25,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 17:57:25,480 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 17:57:25,480 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 17:57:25,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 17:57:25,481 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 17:57:25,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 17:57:25,481 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 17:57:25,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 17:57:25,482 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 17:57:25,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 17:57:25,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:57:25,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 17:57:25,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 17:57:25,483 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 17:57:25,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 17:57:25,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 17:57:25,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 17:57:25,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 17:57:25,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 17:57:25,484 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa [2024-11-10 17:57:25,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 17:57:25,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 17:57:25,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 17:57:25,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 17:57:25,810 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 17:57:25,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-10 17:57:27,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 17:57:27,488 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 17:57:27,489 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-10 17:57:27,511 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/151de2092/486b9c64589a46388aaa703c3286feaf/FLAG6e82ded46 [2024-11-10 17:57:27,813 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/151de2092/486b9c64589a46388aaa703c3286feaf [2024-11-10 17:57:27,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 17:57:27,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 17:57:27,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 17:57:27,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 17:57:27,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 17:57:27,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:57:27" (1/1) ... [2024-11-10 17:57:27,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52685bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:27, skipping insertion in model container [2024-11-10 17:57:27,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:57:27" (1/1) ... [2024-11-10 17:57:27,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 17:57:28,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:57:28,302 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 17:57:28,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:57:28,414 INFO L204 MainTranslator]: Completed translation [2024-11-10 17:57:28,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28 WrapperNode [2024-11-10 17:57:28,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 17:57:28,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 17:57:28,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 17:57:28,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 17:57:28,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (1/1) ... [2024-11-10 17:57:28,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (1/1) ... [2024-11-10 17:57:28,487 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 153 [2024-11-10 17:57:28,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 17:57:28,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 17:57:28,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 17:57:28,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 17:57:28,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (1/1) ... [2024-11-10 17:57:28,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (1/1) ... [2024-11-10 17:57:28,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (1/1) ... [2024-11-10 17:57:28,534 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]. [2024-11-10 17:57:28,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (1/1) ... [2024-11-10 17:57:28,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (1/1) ... [2024-11-10 17:57:28,550 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (1/1) ... [2024-11-10 17:57:28,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (1/1) ... [2024-11-10 17:57:28,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (1/1) ... [2024-11-10 17:57:28,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (1/1) ... [2024-11-10 17:57:28,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 17:57:28,563 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 17:57:28,563 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 17:57:28,563 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 17:57:28,564 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (1/1) ... [2024-11-10 17:57:28,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:57:28,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 17:57:28,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 17:57:28,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 17:57:28,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 17:57:28,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 17:57:28,648 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 17:57:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 17:57:28,648 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 17:57:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 17:57:28,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 17:57:28,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 17:57:28,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 17:57:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 17:57:28,650 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 17:57:28,835 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 17:57:28,837 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 17:57:29,230 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 17:57:29,230 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 17:57:29,496 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 17:57:29,496 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 17:57:29,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:57:29 BoogieIcfgContainer [2024-11-10 17:57:29,496 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 17:57:29,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 17:57:29,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 17:57:29,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 17:57:29,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:57:27" (1/3) ... [2024-11-10 17:57:29,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1128b8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:57:29, skipping insertion in model container [2024-11-10 17:57:29,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:57:28" (2/3) ... [2024-11-10 17:57:29,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1128b8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:57:29, skipping insertion in model container [2024-11-10 17:57:29,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:57:29" (3/3) ... [2024-11-10 17:57:29,507 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-10 17:57:29,523 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 17:57:29,524 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-10 17:57:29,524 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 17:57:29,616 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 17:57:29,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 38 transitions, 84 flow [2024-11-10 17:57:29,719 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-11-10 17:57:29,719 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:57:29,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 36 events. 2/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 67 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2024-11-10 17:57:29,725 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 38 transitions, 84 flow [2024-11-10 17:57:29,730 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 36 transitions, 78 flow [2024-11-10 17:57:29,741 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 17:57:29,751 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;@1279c180, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 17:57:29,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 17:57:29,757 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 17:57:29,757 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-10 17:57:29,757 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:57:29,757 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:29,758 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 17:57:29,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:29,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:29,763 INFO L85 PathProgramCache]: Analyzing trace with hash -188858842, now seen corresponding path program 1 times [2024-11-10 17:57:29,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:29,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662186860] [2024-11-10 17:57:29,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:29,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:30,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:30,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:30,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662186860] [2024-11-10 17:57:30,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662186860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:30,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:30,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 17:57:30,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187274009] [2024-11-10 17:57:30,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:30,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:57:30,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:30,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:57:30,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:57:30,267 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-10 17:57:30,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-10 17:57:30,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:30,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-10 17:57:30,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:30,702 INFO L124 PetriNetUnfolderBase]: 927/1533 cut-off events. [2024-11-10 17:57:30,702 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-10 17:57:30,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3055 conditions, 1533 events. 927/1533 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 7403 event pairs, 66 based on Foata normal form. 112/1642 useless extension candidates. Maximal degree in co-relation 3045. Up to 1352 conditions per place. [2024-11-10 17:57:30,732 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 37 selfloop transitions, 2 changer transitions 2/47 dead transitions. [2024-11-10 17:57:30,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 47 transitions, 182 flow [2024-11-10 17:57:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:57:30,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:57:30,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2024-11-10 17:57:30,747 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6140350877192983 [2024-11-10 17:57:30,748 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 78 flow. Second operand 3 states and 70 transitions. [2024-11-10 17:57:30,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 47 transitions, 182 flow [2024-11-10 17:57:30,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 47 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:57:30,753 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 70 flow [2024-11-10 17:57:30,755 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2024-11-10 17:57:30,760 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -2 predicate places. [2024-11-10 17:57:30,760 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 70 flow [2024-11-10 17:57:30,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-10 17:57:30,760 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:30,761 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:30,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 17:57:30,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:30,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:30,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2036677360, now seen corresponding path program 1 times [2024-11-10 17:57:30,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:30,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589519652] [2024-11-10 17:57:30,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:30,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:30,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:30,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:30,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589519652] [2024-11-10 17:57:30,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589519652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:30,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:30,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 17:57:30,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797801563] [2024-11-10 17:57:30,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:30,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 17:57:30,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:30,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 17:57:30,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 17:57:30,830 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:30,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-10 17:57:30,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:30,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:30,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:31,083 INFO L124 PetriNetUnfolderBase]: 830/1471 cut-off events. [2024-11-10 17:57:31,083 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-11-10 17:57:31,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2903 conditions, 1471 events. 830/1471 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 7521 event pairs, 830 based on Foata normal form. 56/1517 useless extension candidates. Maximal degree in co-relation 2893. Up to 1349 conditions per place. [2024-11-10 17:57:31,091 INFO L140 encePairwiseOnDemand]: 36/38 looper letters, 23 selfloop transitions, 1 changer transitions 1/30 dead transitions. [2024-11-10 17:57:31,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 118 flow [2024-11-10 17:57:31,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 17:57:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 17:57:31,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 47 transitions. [2024-11-10 17:57:31,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41228070175438597 [2024-11-10 17:57:31,092 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 70 flow. Second operand 3 states and 47 transitions. [2024-11-10 17:57:31,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 118 flow [2024-11-10 17:57:31,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 17:57:31,094 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 64 flow [2024-11-10 17:57:31,094 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2024-11-10 17:57:31,095 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places. [2024-11-10 17:57:31,095 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 64 flow [2024-11-10 17:57:31,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-11-10 17:57:31,095 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:31,095 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:31,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 17:57:31,096 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:31,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:31,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2036677947, now seen corresponding path program 1 times [2024-11-10 17:57:31,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:31,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062483400] [2024-11-10 17:57:31,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:31,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:31,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:31,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062483400] [2024-11-10 17:57:31,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062483400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:31,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:31,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:57:31,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153032145] [2024-11-10 17:57:31,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:31,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 17:57:31,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:31,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 17:57:31,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:57:31,373 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:31,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 64 flow. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-11-10 17:57:31,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:31,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:31,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:31,881 INFO L124 PetriNetUnfolderBase]: 930/1606 cut-off events. [2024-11-10 17:57:31,881 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 17:57:31,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3159 conditions, 1606 events. 930/1606 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 7866 event pairs, 236 based on Foata normal form. 0/1568 useless extension candidates. Maximal degree in co-relation 3153. Up to 745 conditions per place. [2024-11-10 17:57:31,888 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 32 selfloop transitions, 2 changer transitions 54/92 dead transitions. [2024-11-10 17:57:31,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 92 transitions, 366 flow [2024-11-10 17:57:31,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 17:57:31,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 17:57:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 146 transitions. [2024-11-10 17:57:31,892 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48026315789473684 [2024-11-10 17:57:31,892 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 64 flow. Second operand 8 states and 146 transitions. [2024-11-10 17:57:31,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 92 transitions, 366 flow [2024-11-10 17:57:31,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 92 transitions, 365 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 17:57:31,894 INFO L231 Difference]: Finished difference. Result has 47 places, 28 transitions, 77 flow [2024-11-10 17:57:31,895 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=77, PETRI_PLACES=47, PETRI_TRANSITIONS=28} [2024-11-10 17:57:31,896 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 6 predicate places. [2024-11-10 17:57:31,896 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 28 transitions, 77 flow [2024-11-10 17:57:31,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-11-10 17:57:31,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:31,897 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:31,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 17:57:31,897 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:31,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:31,898 INFO L85 PathProgramCache]: Analyzing trace with hash -628745074, now seen corresponding path program 1 times [2024-11-10 17:57:31,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:31,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898271067] [2024-11-10 17:57:31,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:31,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:32,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:32,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:32,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898271067] [2024-11-10 17:57:32,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898271067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:32,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:32,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:57:32,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539864963] [2024-11-10 17:57:32,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:32,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 17:57:32,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:32,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 17:57:32,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:57:32,117 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:32,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 28 transitions, 77 flow. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-11-10 17:57:32,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:32,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:32,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:32,538 INFO L124 PetriNetUnfolderBase]: 631/1099 cut-off events. [2024-11-10 17:57:32,539 INFO L125 PetriNetUnfolderBase]: For 245/245 co-relation queries the response was YES. [2024-11-10 17:57:32,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2436 conditions, 1099 events. 631/1099 cut-off events. For 245/245 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 5038 event pairs, 211 based on Foata normal form. 35/1131 useless extension candidates. Maximal degree in co-relation 2424. Up to 598 conditions per place. [2024-11-10 17:57:32,545 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 35 selfloop transitions, 2 changer transitions 31/72 dead transitions. [2024-11-10 17:57:32,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 72 transitions, 316 flow [2024-11-10 17:57:32,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 17:57:32,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 17:57:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 119 transitions. [2024-11-10 17:57:32,547 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4473684210526316 [2024-11-10 17:57:32,547 INFO L175 Difference]: Start difference. First operand has 47 places, 28 transitions, 77 flow. Second operand 7 states and 119 transitions. [2024-11-10 17:57:32,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 72 transitions, 316 flow [2024-11-10 17:57:32,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 72 transitions, 294 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-10 17:57:32,552 INFO L231 Difference]: Finished difference. Result has 46 places, 28 transitions, 81 flow [2024-11-10 17:57:32,552 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=81, PETRI_PLACES=46, PETRI_TRANSITIONS=28} [2024-11-10 17:57:32,553 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 5 predicate places. [2024-11-10 17:57:32,553 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 28 transitions, 81 flow [2024-11-10 17:57:32,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-11-10 17:57:32,554 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:32,554 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:32,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 17:57:32,554 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:32,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:32,555 INFO L85 PathProgramCache]: Analyzing trace with hash -54246496, now seen corresponding path program 1 times [2024-11-10 17:57:32,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:32,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041306693] [2024-11-10 17:57:32,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:32,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:34,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:34,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041306693] [2024-11-10 17:57:34,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041306693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:34,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:34,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 17:57:34,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368192092] [2024-11-10 17:57:34,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:34,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 17:57:34,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:34,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 17:57:34,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 17:57:34,277 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:34,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 28 transitions, 81 flow. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) [2024-11-10 17:57:34,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:34,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:34,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:35,061 INFO L124 PetriNetUnfolderBase]: 763/1314 cut-off events. [2024-11-10 17:57:35,061 INFO L125 PetriNetUnfolderBase]: For 210/210 co-relation queries the response was YES. [2024-11-10 17:57:35,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2961 conditions, 1314 events. 763/1314 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5980 event pairs, 238 based on Foata normal form. 20/1333 useless extension candidates. Maximal degree in co-relation 2948. Up to 844 conditions per place. [2024-11-10 17:57:35,069 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 54 selfloop transitions, 13 changer transitions 23/94 dead transitions. [2024-11-10 17:57:35,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 94 transitions, 415 flow [2024-11-10 17:57:35,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 17:57:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-10 17:57:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 169 transitions. [2024-11-10 17:57:35,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4043062200956938 [2024-11-10 17:57:35,072 INFO L175 Difference]: Start difference. First operand has 46 places, 28 transitions, 81 flow. Second operand 11 states and 169 transitions. [2024-11-10 17:57:35,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 94 transitions, 415 flow [2024-11-10 17:57:35,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 94 transitions, 393 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-10 17:57:35,076 INFO L231 Difference]: Finished difference. Result has 53 places, 40 transitions, 154 flow [2024-11-10 17:57:35,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=154, PETRI_PLACES=53, PETRI_TRANSITIONS=40} [2024-11-10 17:57:35,077 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 12 predicate places. [2024-11-10 17:57:35,077 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 40 transitions, 154 flow [2024-11-10 17:57:35,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) [2024-11-10 17:57:35,078 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:35,078 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:35,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 17:57:35,078 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:35,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:35,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2088463796, now seen corresponding path program 2 times [2024-11-10 17:57:35,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:35,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8042105] [2024-11-10 17:57:35,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:35,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:35,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:35,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8042105] [2024-11-10 17:57:35,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8042105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:35,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:35,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 17:57:35,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488073417] [2024-11-10 17:57:35,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:35,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 17:57:35,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:35,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 17:57:35,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 17:57:35,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:35,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 40 transitions, 154 flow. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2024-11-10 17:57:35,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:35,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:35,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:36,496 INFO L124 PetriNetUnfolderBase]: 862/1476 cut-off events. [2024-11-10 17:57:36,497 INFO L125 PetriNetUnfolderBase]: For 708/711 co-relation queries the response was YES. [2024-11-10 17:57:36,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3880 conditions, 1476 events. 862/1476 cut-off events. For 708/711 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 6754 event pairs, 97 based on Foata normal form. 24/1498 useless extension candidates. Maximal degree in co-relation 3864. Up to 937 conditions per place. [2024-11-10 17:57:36,506 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 50 selfloop transitions, 19 changer transitions 27/100 dead transitions. [2024-11-10 17:57:36,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 100 transitions, 535 flow [2024-11-10 17:57:36,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 17:57:36,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 17:57:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 154 transitions. [2024-11-10 17:57:36,507 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4052631578947368 [2024-11-10 17:57:36,508 INFO L175 Difference]: Start difference. First operand has 53 places, 40 transitions, 154 flow. Second operand 10 states and 154 transitions. [2024-11-10 17:57:36,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 100 transitions, 535 flow [2024-11-10 17:57:36,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 100 transitions, 518 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-10 17:57:36,516 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 275 flow [2024-11-10 17:57:36,516 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=275, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-11-10 17:57:36,516 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 17 predicate places. [2024-11-10 17:57:36,516 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 275 flow [2024-11-10 17:57:36,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2024-11-10 17:57:36,517 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:36,517 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:36,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 17:57:36,518 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:36,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:36,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1199449260, now seen corresponding path program 3 times [2024-11-10 17:57:36,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:36,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587342519] [2024-11-10 17:57:36,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:36,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:37,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:37,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587342519] [2024-11-10 17:57:37,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587342519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:37,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:37,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 17:57:37,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759000896] [2024-11-10 17:57:37,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:37,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 17:57:37,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:37,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 17:57:37,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 17:57:37,310 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:37,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 275 flow. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2024-11-10 17:57:37,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:37,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:37,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:37,853 INFO L124 PetriNetUnfolderBase]: 859/1475 cut-off events. [2024-11-10 17:57:37,853 INFO L125 PetriNetUnfolderBase]: For 1826/1826 co-relation queries the response was YES. [2024-11-10 17:57:37,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4898 conditions, 1475 events. 859/1475 cut-off events. For 1826/1826 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 6806 event pairs, 169 based on Foata normal form. 20/1493 useless extension candidates. Maximal degree in co-relation 4880. Up to 1207 conditions per place. [2024-11-10 17:57:37,864 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 62 selfloop transitions, 20 changer transitions 21/107 dead transitions. [2024-11-10 17:57:37,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 107 transitions, 781 flow [2024-11-10 17:57:37,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 17:57:37,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 17:57:37,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 151 transitions. [2024-11-10 17:57:37,866 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3973684210526316 [2024-11-10 17:57:37,866 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 275 flow. Second operand 10 states and 151 transitions. [2024-11-10 17:57:37,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 107 transitions, 781 flow [2024-11-10 17:57:37,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 107 transitions, 772 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-10 17:57:37,873 INFO L231 Difference]: Finished difference. Result has 67 places, 67 transitions, 479 flow [2024-11-10 17:57:37,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=479, PETRI_PLACES=67, PETRI_TRANSITIONS=67} [2024-11-10 17:57:37,873 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 26 predicate places. [2024-11-10 17:57:37,874 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 67 transitions, 479 flow [2024-11-10 17:57:37,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2024-11-10 17:57:37,874 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:37,874 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:57:37,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 17:57:37,874 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:37,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:37,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1174102590, now seen corresponding path program 4 times [2024-11-10 17:57:37,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:37,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747202542] [2024-11-10 17:57:37,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:37,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:38,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:38,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747202542] [2024-11-10 17:57:38,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747202542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:38,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:38,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 17:57:38,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163612237] [2024-11-10 17:57:38,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:38,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 17:57:38,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:38,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 17:57:38,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:57:38,114 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-10 17:57:38,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 67 transitions, 479 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-10 17:57:38,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:38,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-10 17:57:38,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:38,439 INFO L124 PetriNetUnfolderBase]: 571/1033 cut-off events. [2024-11-10 17:57:38,439 INFO L125 PetriNetUnfolderBase]: For 1864/1870 co-relation queries the response was YES. [2024-11-10 17:57:38,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3555 conditions, 1033 events. 571/1033 cut-off events. For 1864/1870 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4655 event pairs, 152 based on Foata normal form. 88/1119 useless extension candidates. Maximal degree in co-relation 3531. Up to 388 conditions per place. [2024-11-10 17:57:38,449 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 78 selfloop transitions, 4 changer transitions 1/87 dead transitions. [2024-11-10 17:57:38,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 87 transitions, 712 flow [2024-11-10 17:57:38,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 17:57:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 17:57:38,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 86 transitions. [2024-11-10 17:57:38,451 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5657894736842105 [2024-11-10 17:57:38,451 INFO L175 Difference]: Start difference. First operand has 67 places, 67 transitions, 479 flow. Second operand 4 states and 86 transitions. [2024-11-10 17:57:38,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 87 transitions, 712 flow [2024-11-10 17:57:38,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 87 transitions, 672 flow, removed 17 selfloop flow, removed 6 redundant places. [2024-11-10 17:57:38,463 INFO L231 Difference]: Finished difference. Result has 61 places, 55 transitions, 340 flow [2024-11-10 17:57:38,463 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=340, PETRI_PLACES=61, PETRI_TRANSITIONS=55} [2024-11-10 17:57:38,464 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 20 predicate places. [2024-11-10 17:57:38,466 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 55 transitions, 340 flow [2024-11-10 17:57:38,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-10 17:57:38,466 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:38,467 INFO L204 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] [2024-11-10 17:57:38,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 17:57:38,467 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:38,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:38,467 INFO L85 PathProgramCache]: Analyzing trace with hash 806868079, now seen corresponding path program 1 times [2024-11-10 17:57:38,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:38,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357060303] [2024-11-10 17:57:38,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:38,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:38,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:38,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357060303] [2024-11-10 17:57:38,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357060303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:38,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:38,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:57:38,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851312630] [2024-11-10 17:57:38,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:38,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 17:57:38,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:38,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 17:57:38,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 17:57:38,789 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-10 17:57:38,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 55 transitions, 340 flow. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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) [2024-11-10 17:57:38,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:38,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-10 17:57:38,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:38,977 INFO L124 PetriNetUnfolderBase]: 309/571 cut-off events. [2024-11-10 17:57:38,977 INFO L125 PetriNetUnfolderBase]: For 828/834 co-relation queries the response was YES. [2024-11-10 17:57:38,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1981 conditions, 571 events. 309/571 cut-off events. For 828/834 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2209 event pairs, 99 based on Foata normal form. 36/605 useless extension candidates. Maximal degree in co-relation 1959. Up to 248 conditions per place. [2024-11-10 17:57:38,982 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 63 selfloop transitions, 6 changer transitions 1/74 dead transitions. [2024-11-10 17:57:38,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 74 transitions, 576 flow [2024-11-10 17:57:38,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 17:57:38,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 17:57:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2024-11-10 17:57:38,983 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45263157894736844 [2024-11-10 17:57:38,983 INFO L175 Difference]: Start difference. First operand has 61 places, 55 transitions, 340 flow. Second operand 5 states and 86 transitions. [2024-11-10 17:57:38,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 74 transitions, 576 flow [2024-11-10 17:57:38,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 74 transitions, 521 flow, removed 15 selfloop flow, removed 6 redundant places. [2024-11-10 17:57:38,989 INFO L231 Difference]: Finished difference. Result has 61 places, 53 transitions, 307 flow [2024-11-10 17:57:38,989 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=307, PETRI_PLACES=61, PETRI_TRANSITIONS=53} [2024-11-10 17:57:38,991 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 20 predicate places. [2024-11-10 17:57:38,991 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 53 transitions, 307 flow [2024-11-10 17:57:38,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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) [2024-11-10 17:57:38,991 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:38,991 INFO L204 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] [2024-11-10 17:57:38,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 17:57:38,992 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:38,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:38,992 INFO L85 PathProgramCache]: Analyzing trace with hash -939338266, now seen corresponding path program 1 times [2024-11-10 17:57:38,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:38,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839560470] [2024-11-10 17:57:38,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:39,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:39,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839560470] [2024-11-10 17:57:39,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839560470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:39,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:39,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 17:57:39,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520804685] [2024-11-10 17:57:39,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:39,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:57:39,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:39,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:57:39,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:57:39,508 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:39,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 53 transitions, 307 flow. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2024-11-10 17:57:39,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:39,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:39,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:39,789 INFO L124 PetriNetUnfolderBase]: 354/666 cut-off events. [2024-11-10 17:57:39,789 INFO L125 PetriNetUnfolderBase]: For 863/869 co-relation queries the response was YES. [2024-11-10 17:57:39,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2169 conditions, 666 events. 354/666 cut-off events. For 863/869 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2705 event pairs, 130 based on Foata normal form. 4/668 useless extension candidates. Maximal degree in co-relation 2149. Up to 358 conditions per place. [2024-11-10 17:57:39,793 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 35 selfloop transitions, 8 changer transitions 35/82 dead transitions. [2024-11-10 17:57:39,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 82 transitions, 604 flow [2024-11-10 17:57:39,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:57:39,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 17:57:39,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 96 transitions. [2024-11-10 17:57:39,795 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42105263157894735 [2024-11-10 17:57:39,795 INFO L175 Difference]: Start difference. First operand has 61 places, 53 transitions, 307 flow. Second operand 6 states and 96 transitions. [2024-11-10 17:57:39,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 82 transitions, 604 flow [2024-11-10 17:57:39,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 82 transitions, 527 flow, removed 20 selfloop flow, removed 8 redundant places. [2024-11-10 17:57:39,801 INFO L231 Difference]: Finished difference. Result has 62 places, 44 transitions, 240 flow [2024-11-10 17:57:39,801 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=240, PETRI_PLACES=62, PETRI_TRANSITIONS=44} [2024-11-10 17:57:39,802 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 21 predicate places. [2024-11-10 17:57:39,802 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 44 transitions, 240 flow [2024-11-10 17:57:39,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2024-11-10 17:57:39,803 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:39,803 INFO L204 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] [2024-11-10 17:57:39,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 17:57:39,803 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:39,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:39,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1001798434, now seen corresponding path program 2 times [2024-11-10 17:57:39,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:39,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027006083] [2024-11-10 17:57:39,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:39,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:41,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:41,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:41,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027006083] [2024-11-10 17:57:41,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027006083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:41,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:41,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 17:57:41,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827525305] [2024-11-10 17:57:41,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:41,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 17:57:41,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:41,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 17:57:41,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 17:57:41,104 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:41,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 44 transitions, 240 flow. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2024-11-10 17:57:41,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:41,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:41,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:41,512 INFO L124 PetriNetUnfolderBase]: 269/520 cut-off events. [2024-11-10 17:57:41,512 INFO L125 PetriNetUnfolderBase]: For 390/390 co-relation queries the response was YES. [2024-11-10 17:57:41,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1492 conditions, 520 events. 269/520 cut-off events. For 390/390 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1917 event pairs, 50 based on Foata normal form. 4/523 useless extension candidates. Maximal degree in co-relation 1474. Up to 279 conditions per place. [2024-11-10 17:57:41,516 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 40 selfloop transitions, 10 changer transitions 34/88 dead transitions. [2024-11-10 17:57:41,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 88 transitions, 542 flow [2024-11-10 17:57:41,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 17:57:41,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 17:57:41,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 156 transitions. [2024-11-10 17:57:41,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34210526315789475 [2024-11-10 17:57:41,518 INFO L175 Difference]: Start difference. First operand has 62 places, 44 transitions, 240 flow. Second operand 12 states and 156 transitions. [2024-11-10 17:57:41,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 88 transitions, 542 flow [2024-11-10 17:57:41,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 88 transitions, 519 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-10 17:57:41,521 INFO L231 Difference]: Finished difference. Result has 68 places, 44 transitions, 263 flow [2024-11-10 17:57:41,523 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=263, PETRI_PLACES=68, PETRI_TRANSITIONS=44} [2024-11-10 17:57:41,524 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 27 predicate places. [2024-11-10 17:57:41,524 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 44 transitions, 263 flow [2024-11-10 17:57:41,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2024-11-10 17:57:41,525 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:41,525 INFO L204 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] [2024-11-10 17:57:41,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 17:57:41,525 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:41,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:41,526 INFO L85 PathProgramCache]: Analyzing trace with hash 798187652, now seen corresponding path program 3 times [2024-11-10 17:57:41,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:41,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353980323] [2024-11-10 17:57:41,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:41,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:43,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:43,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353980323] [2024-11-10 17:57:43,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353980323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:43,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:43,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 17:57:43,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161181211] [2024-11-10 17:57:43,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:43,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 17:57:43,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:43,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 17:57:43,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 17:57:43,251 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:43,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 44 transitions, 263 flow. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2024-11-10 17:57:43,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:43,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:43,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:43,718 INFO L124 PetriNetUnfolderBase]: 236/459 cut-off events. [2024-11-10 17:57:43,718 INFO L125 PetriNetUnfolderBase]: For 478/478 co-relation queries the response was YES. [2024-11-10 17:57:43,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1383 conditions, 459 events. 236/459 cut-off events. For 478/478 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1590 event pairs, 70 based on Foata normal form. 4/462 useless extension candidates. Maximal degree in co-relation 1364. Up to 279 conditions per place. [2024-11-10 17:57:43,721 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 37 selfloop transitions, 17 changer transitions 15/73 dead transitions. [2024-11-10 17:57:43,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 73 transitions, 492 flow [2024-11-10 17:57:43,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 17:57:43,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 17:57:43,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 119 transitions. [2024-11-10 17:57:43,723 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.347953216374269 [2024-11-10 17:57:43,723 INFO L175 Difference]: Start difference. First operand has 68 places, 44 transitions, 263 flow. Second operand 9 states and 119 transitions. [2024-11-10 17:57:43,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 73 transitions, 492 flow [2024-11-10 17:57:43,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 73 transitions, 447 flow, removed 14 selfloop flow, removed 9 redundant places. [2024-11-10 17:57:43,726 INFO L231 Difference]: Finished difference. Result has 64 places, 46 transitions, 289 flow [2024-11-10 17:57:43,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=289, PETRI_PLACES=64, PETRI_TRANSITIONS=46} [2024-11-10 17:57:43,728 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 23 predicate places. [2024-11-10 17:57:43,728 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 46 transitions, 289 flow [2024-11-10 17:57:43,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2024-11-10 17:57:43,729 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:43,729 INFO L204 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] [2024-11-10 17:57:43,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 17:57:43,729 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:43,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:43,729 INFO L85 PathProgramCache]: Analyzing trace with hash 89463198, now seen corresponding path program 4 times [2024-11-10 17:57:43,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:43,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270504006] [2024-11-10 17:57:43,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:43,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:44,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:44,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:44,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270504006] [2024-11-10 17:57:44,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270504006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:44,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:44,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 17:57:44,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643134197] [2024-11-10 17:57:44,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:44,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 17:57:44,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:44,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 17:57:44,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 17:57:44,703 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:44,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 46 transitions, 289 flow. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2024-11-10 17:57:44,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:44,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:44,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:45,391 INFO L124 PetriNetUnfolderBase]: 231/461 cut-off events. [2024-11-10 17:57:45,391 INFO L125 PetriNetUnfolderBase]: For 452/452 co-relation queries the response was YES. [2024-11-10 17:57:45,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1407 conditions, 461 events. 231/461 cut-off events. For 452/452 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1651 event pairs, 59 based on Foata normal form. 4/463 useless extension candidates. Maximal degree in co-relation 1389. Up to 209 conditions per place. [2024-11-10 17:57:45,394 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 35 selfloop transitions, 14 changer transitions 29/82 dead transitions. [2024-11-10 17:57:45,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 82 transitions, 550 flow [2024-11-10 17:57:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 17:57:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-10 17:57:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 145 transitions. [2024-11-10 17:57:45,395 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34688995215311 [2024-11-10 17:57:45,395 INFO L175 Difference]: Start difference. First operand has 64 places, 46 transitions, 289 flow. Second operand 11 states and 145 transitions. [2024-11-10 17:57:45,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 82 transitions, 550 flow [2024-11-10 17:57:45,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 82 transitions, 527 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-10 17:57:45,400 INFO L231 Difference]: Finished difference. Result has 70 places, 39 transitions, 250 flow [2024-11-10 17:57:45,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=250, PETRI_PLACES=70, PETRI_TRANSITIONS=39} [2024-11-10 17:57:45,400 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 29 predicate places. [2024-11-10 17:57:45,400 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 39 transitions, 250 flow [2024-11-10 17:57:45,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2024-11-10 17:57:45,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:45,401 INFO L204 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] [2024-11-10 17:57:45,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 17:57:45,403 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:45,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:45,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2097618206, now seen corresponding path program 5 times [2024-11-10 17:57:45,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:45,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545870455] [2024-11-10 17:57:45,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:45,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:46,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:46,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545870455] [2024-11-10 17:57:46,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545870455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:46,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:46,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 17:57:46,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42349712] [2024-11-10 17:57:46,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:46,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 17:57:46,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:46,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 17:57:46,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-10 17:57:46,980 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:46,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 39 transitions, 250 flow. Second operand has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 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) [2024-11-10 17:57:46,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:46,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:46,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:47,487 INFO L124 PetriNetUnfolderBase]: 159/330 cut-off events. [2024-11-10 17:57:47,487 INFO L125 PetriNetUnfolderBase]: For 468/468 co-relation queries the response was YES. [2024-11-10 17:57:47,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 330 events. 159/330 cut-off events. For 468/468 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1033 event pairs, 60 based on Foata normal form. 4/333 useless extension candidates. Maximal degree in co-relation 1062. Up to 148 conditions per place. [2024-11-10 17:57:47,490 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 42 selfloop transitions, 9 changer transitions 19/74 dead transitions. [2024-11-10 17:57:47,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 74 transitions, 507 flow [2024-11-10 17:57:47,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 17:57:47,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-10 17:57:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 146 transitions. [2024-11-10 17:57:47,491 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3201754385964912 [2024-11-10 17:57:47,491 INFO L175 Difference]: Start difference. First operand has 70 places, 39 transitions, 250 flow. Second operand 12 states and 146 transitions. [2024-11-10 17:57:47,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 74 transitions, 507 flow [2024-11-10 17:57:47,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 74 transitions, 419 flow, removed 10 selfloop flow, removed 16 redundant places. [2024-11-10 17:57:47,495 INFO L231 Difference]: Finished difference. Result has 67 places, 40 transitions, 214 flow [2024-11-10 17:57:47,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=214, PETRI_PLACES=67, PETRI_TRANSITIONS=40} [2024-11-10 17:57:47,495 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 26 predicate places. [2024-11-10 17:57:47,495 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 40 transitions, 214 flow [2024-11-10 17:57:47,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 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) [2024-11-10 17:57:47,496 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:47,496 INFO L204 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] [2024-11-10 17:57:47,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 17:57:47,496 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:47,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:47,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1224566148, now seen corresponding path program 6 times [2024-11-10 17:57:47,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:47,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124926273] [2024-11-10 17:57:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:47,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:48,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:48,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124926273] [2024-11-10 17:57:48,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124926273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:48,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:48,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 17:57:48,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245640207] [2024-11-10 17:57:48,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:48,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 17:57:48,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:48,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 17:57:48,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 17:57:48,065 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:48,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 40 transitions, 214 flow. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-11-10 17:57:48,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:48,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:48,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:48,300 INFO L124 PetriNetUnfolderBase]: 160/333 cut-off events. [2024-11-10 17:57:48,301 INFO L125 PetriNetUnfolderBase]: For 256/256 co-relation queries the response was YES. [2024-11-10 17:57:48,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 958 conditions, 333 events. 160/333 cut-off events. For 256/256 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1056 event pairs, 89 based on Foata normal form. 4/336 useless extension candidates. Maximal degree in co-relation 942. Up to 173 conditions per place. [2024-11-10 17:57:48,305 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 32 selfloop transitions, 2 changer transitions 34/72 dead transitions. [2024-11-10 17:57:48,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 72 transitions, 451 flow [2024-11-10 17:57:48,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 17:57:48,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 17:57:48,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 120 transitions. [2024-11-10 17:57:48,306 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3508771929824561 [2024-11-10 17:57:48,306 INFO L175 Difference]: Start difference. First operand has 67 places, 40 transitions, 214 flow. Second operand 9 states and 120 transitions. [2024-11-10 17:57:48,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 72 transitions, 451 flow [2024-11-10 17:57:48,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 72 transitions, 419 flow, removed 7 selfloop flow, removed 10 redundant places. [2024-11-10 17:57:48,309 INFO L231 Difference]: Finished difference. Result has 65 places, 35 transitions, 166 flow [2024-11-10 17:57:48,311 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=166, PETRI_PLACES=65, PETRI_TRANSITIONS=35} [2024-11-10 17:57:48,312 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 24 predicate places. [2024-11-10 17:57:48,312 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 35 transitions, 166 flow [2024-11-10 17:57:48,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-11-10 17:57:48,312 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 17:57:48,312 INFO L204 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] [2024-11-10 17:57:48,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 17:57:48,313 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-10 17:57:48,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:57:48,313 INFO L85 PathProgramCache]: Analyzing trace with hash 477703540, now seen corresponding path program 7 times [2024-11-10 17:57:48,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:57:48,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922318595] [2024-11-10 17:57:48,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:57:48,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:57:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:57:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:57:49,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:57:49,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922318595] [2024-11-10 17:57:49,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922318595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:57:49,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:57:49,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 17:57:49,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791994181] [2024-11-10 17:57:49,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:57:49,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 17:57:49,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:57:49,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 17:57:49,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 17:57:49,093 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 38 [2024-11-10 17:57:49,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 35 transitions, 166 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2024-11-10 17:57:49,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 17:57:49,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 38 [2024-11-10 17:57:49,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 17:57:49,348 INFO L124 PetriNetUnfolderBase]: 88/179 cut-off events. [2024-11-10 17:57:49,348 INFO L125 PetriNetUnfolderBase]: For 142/142 co-relation queries the response was YES. [2024-11-10 17:57:49,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 541 conditions, 179 events. 88/179 cut-off events. For 142/142 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 420 event pairs, 24 based on Foata normal form. 4/182 useless extension candidates. Maximal degree in co-relation 531. Up to 121 conditions per place. [2024-11-10 17:57:49,349 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 0 selfloop transitions, 0 changer transitions 41/41 dead transitions. [2024-11-10 17:57:49,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 41 transitions, 254 flow [2024-11-10 17:57:49,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 17:57:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 17:57:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 89 transitions. [2024-11-10 17:57:49,350 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29276315789473684 [2024-11-10 17:57:49,351 INFO L175 Difference]: Start difference. First operand has 65 places, 35 transitions, 166 flow. Second operand 8 states and 89 transitions. [2024-11-10 17:57:49,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 41 transitions, 254 flow [2024-11-10 17:57:49,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 41 transitions, 240 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-10 17:57:49,352 INFO L231 Difference]: Finished difference. Result has 53 places, 0 transitions, 0 flow [2024-11-10 17:57:49,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=53, PETRI_TRANSITIONS=0} [2024-11-10 17:57:49,353 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 12 predicate places. [2024-11-10 17:57:49,353 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 0 transitions, 0 flow [2024-11-10 17:57:49,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 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) [2024-11-10 17:57:49,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-10 17:57:49,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-10 17:57:49,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-10 17:57:49,356 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-10 17:57:49,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-10 17:57:49,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-10 17:57:49,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 17:57:49,357 INFO L407 BasicCegarLoop]: Path program histogram: [7, 4, 1, 1, 1, 1, 1] [2024-11-10 17:57:49,362 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 17:57:49,363 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 17:57:49,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:57:49 BasicIcfg [2024-11-10 17:57:49,370 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 17:57:49,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 17:57:49,370 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 17:57:49,370 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 17:57:49,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:57:29" (3/4) ... [2024-11-10 17:57:49,372 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 17:57:49,375 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 17:57:49,375 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 17:57:49,381 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2024-11-10 17:57:49,381 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-10 17:57:49,381 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 17:57:49,382 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 17:57:49,382 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 17:57:49,460 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 17:57:49,460 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 17:57:49,463 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 17:57:49,463 INFO L158 Benchmark]: Toolchain (without parser) took 21646.26ms. Allocated memory was 157.3MB in the beginning and 545.3MB in the end (delta: 388.0MB). Free memory was 121.9MB in the beginning and 324.3MB in the end (delta: -202.4MB). Peak memory consumption was 184.5MB. Max. memory is 16.1GB. [2024-11-10 17:57:49,464 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 17:57:49,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.18ms. Allocated memory is still 157.3MB. Free memory was 121.9MB in the beginning and 93.7MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-10 17:57:49,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.28ms. Allocated memory is still 157.3MB. Free memory was 93.7MB in the beginning and 90.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 17:57:49,464 INFO L158 Benchmark]: Boogie Preprocessor took 73.77ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 86.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 17:57:49,465 INFO L158 Benchmark]: IcfgBuilder took 933.89ms. Allocated memory is still 157.3MB. Free memory was 85.3MB in the beginning and 50.6MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-10 17:57:49,465 INFO L158 Benchmark]: TraceAbstraction took 19870.37ms. Allocated memory was 157.3MB in the beginning and 545.3MB in the end (delta: 388.0MB). Free memory was 49.5MB in the beginning and 328.5MB in the end (delta: -279.0MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2024-11-10 17:57:49,465 INFO L158 Benchmark]: Witness Printer took 92.72ms. Allocated memory is still 545.3MB. Free memory was 328.5MB in the beginning and 324.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 17:57:49,467 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.18ms. Allocated memory is still 157.3MB. Free memory was 121.9MB in the beginning and 93.7MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.28ms. Allocated memory is still 157.3MB. Free memory was 93.7MB in the beginning and 90.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.77ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 86.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 933.89ms. Allocated memory is still 157.3MB. Free memory was 85.3MB in the beginning and 50.6MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 19870.37ms. Allocated memory was 157.3MB in the beginning and 545.3MB in the end (delta: 388.0MB). Free memory was 49.5MB in the beginning and 328.5MB in the end (delta: -279.0MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. * Witness Printer took 92.72ms. Allocated memory is still 545.3MB. Free memory was 328.5MB in the beginning and 324.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 834]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: 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 5 procedures, 57 locations, 6 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: 19.7s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 700 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 693 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 154 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3012 IncrementalHoareTripleChecker+Invalid, 3166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 154 mSolverCounterUnsat, 6 mSDtfsCounter, 3012 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=479occurred in iteration=7, InterpolantAutomatonStates: 128, 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: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 338 NumberOfCodeBlocks, 338 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 2983 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 17:57:49,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE