./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 8be7027f 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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 16:08:44,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 16:08:44,290 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-12 16:08:44,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 16:08:44,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 16:08:44,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 16:08:44,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 16:08:44,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 16:08:44,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 16:08:44,332 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 16:08:44,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 16:08:44,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 16:08:44,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 16:08:44,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 16:08:44,334 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 16:08:44,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 16:08:44,335 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 16:08:44,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 16:08:44,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 16:08:44,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 16:08:44,337 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-12 16:08:44,337 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-12 16:08:44,337 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-12 16:08:44,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 16:08:44,338 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 16:08:44,338 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 16:08:44,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 16:08:44,339 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 16:08:44,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 16:08:44,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 16:08:44,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 16:08:44,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 16:08:44,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 16:08:44,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:08:44,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 16:08:44,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 16:08:44,342 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 16:08:44,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 16:08:44,342 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 16:08:44,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 16:08:44,343 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 16:08:44,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 16:08:44,343 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa [2024-11-12 16:08:44,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 16:08:44,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 16:08:44,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 16:08:44,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 16:08:44,615 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 16:08:44,617 INFO L431 ainManager$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 [2024-11-12 16:08:46,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 16:08:46,285 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 16:08:46,288 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 [2024-11-12 16:08:46,308 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab2af554f/10a89fb20db04f1e844bf706a428ef69/FLAG8a434870e [2024-11-12 16:08:46,322 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab2af554f/10a89fb20db04f1e844bf706a428ef69 [2024-11-12 16:08:46,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 16:08:46,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 16:08:46,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 16:08:46,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 16:08:46,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 16:08:46,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:46,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bdeb136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46, skipping insertion in model container [2024-11-12 16:08:46,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:46,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 16:08:46,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:08:46,781 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 16:08:46,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:08:46,900 INFO L204 MainTranslator]: Completed translation [2024-11-12 16:08:46,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46 WrapperNode [2024-11-12 16:08:46,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 16:08:46,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 16:08:46,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 16:08:46,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 16:08:46,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:46,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:46,979 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 153 [2024-11-12 16:08:46,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 16:08:46,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 16:08:46,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 16:08:46,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 16:08:46,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:46,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:46,997 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:47,020 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]. [2024-11-12 16:08:47,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:47,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:47,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:47,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:47,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:47,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:47,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 16:08:47,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 16:08:47,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 16:08:47,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 16:08:47,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (1/1) ... [2024-11-12 16:08:47,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:08:47,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:08:47,089 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) [2024-11-12 16:08:47,096 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 [2024-11-12 16:08:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 16:08:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 16:08:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-12 16:08:47,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-12 16:08:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-12 16:08:47,146 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-12 16:08:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 16:08:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 16:08:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 16:08:47,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 16:08:47,148 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 16:08:47,284 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 16:08:47,287 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 16:08:47,631 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 16:08:47,632 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 16:08:47,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 16:08:47,891 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 16:08:47,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:08:47 BoogieIcfgContainer [2024-11-12 16:08:47,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 16:08:47,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 16:08:47,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 16:08:47,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 16:08:47,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:08:46" (1/3) ... [2024-11-12 16:08:47,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f068151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:08:47, skipping insertion in model container [2024-11-12 16:08:47,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:08:46" (2/3) ... [2024-11-12 16:08:47,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f068151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:08:47, skipping insertion in model container [2024-11-12 16:08:47,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:08:47" (3/3) ... [2024-11-12 16:08:47,903 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-12 16:08:47,922 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 16:08:47,922 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-12 16:08:47,922 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 16:08:47,978 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-12 16:08:48,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 38 transitions, 84 flow [2024-11-12 16:08:48,045 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-11-12 16:08:48,045 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 16:08:48,048 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 4. Compared 61 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. [2024-11-12 16:08:48,049 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 38 transitions, 84 flow [2024-11-12 16:08:48,052 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 36 transitions, 78 flow [2024-11-12 16:08:48,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:08:48,072 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;@737c7555, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:08:48,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-12 16:08:48,079 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 16:08:48,080 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-11-12 16:08:48,080 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 16:08:48,080 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:08:48,081 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 16:08:48,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:08:48,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:08:48,089 INFO L85 PathProgramCache]: Analyzing trace with hash 32036394, now seen corresponding path program 1 times [2024-11-12 16:08:48,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:08:48,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040041377] [2024-11-12 16:08:48,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:08:48,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:08:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:08:48,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:08:48,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:08:48,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040041377] [2024-11-12 16:08:48,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040041377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:08:48,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:08:48,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 16:08:48,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384011597] [2024-11-12 16:08:48,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:08:48,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:08:48,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:08:48,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:08:48,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:08:48,639 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 38 [2024-11-12 16:08:48,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-12 16:08:48,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:08:48,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 38 [2024-11-12 16:08:48,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:08:48,979 INFO L124 PetriNetUnfolderBase]: 344/746 cut-off events. [2024-11-12 16:08:48,980 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-12 16:08:48,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1342 conditions, 746 events. 344/746 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4216 event pairs, 40 based on Foata normal form. 50/793 useless extension candidates. Maximal degree in co-relation 1332. Up to 485 conditions per place. [2024-11-12 16:08:48,991 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 28 selfloop transitions, 2 changer transitions 2/44 dead transitions. [2024-11-12 16:08:48,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 44 transitions, 158 flow [2024-11-12 16:08:48,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:08:48,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 16:08:49,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2024-11-12 16:08:49,005 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6929824561403509 [2024-11-12 16:08:49,006 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 78 flow. Second operand 3 states and 79 transitions. [2024-11-12 16:08:49,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 44 transitions, 158 flow [2024-11-12 16:08:49,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 16:08:49,012 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 70 flow [2024-11-12 16:08:49,014 INFO L262 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} [2024-11-12 16:08:49,019 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, -2 predicate places. [2024-11-12 16:08:49,020 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 70 flow [2024-11-12 16:08:49,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-12 16:08:49,020 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:08:49,020 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:08:49,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 16:08:49,022 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:08:49,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:08:49,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1946830375, now seen corresponding path program 1 times [2024-11-12 16:08:49,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:08:49,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467959463] [2024-11-12 16:08:49,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:08:49,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:08:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:08:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:08:49,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:08:49,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467959463] [2024-11-12 16:08:49,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467959463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:08:49,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:08:49,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 16:08:49,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384050272] [2024-11-12 16:08:49,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:08:49,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:08:49,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:08:49,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:08:49,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:08:49,125 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-11-12 16:08:49,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-12 16:08:49,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:08:49,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-11-12 16:08:49,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:08:49,293 INFO L124 PetriNetUnfolderBase]: 304/640 cut-off events. [2024-11-12 16:08:49,293 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-12 16:08:49,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 640 events. 304/640 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3552 event pairs, 304 based on Foata normal form. 25/650 useless extension candidates. Maximal degree in co-relation 1201. Up to 515 conditions per place. [2024-11-12 16:08:49,300 INFO L140 encePairwiseOnDemand]: 36/38 looper letters, 17 selfloop transitions, 1 changer transitions 1/30 dead transitions. [2024-11-12 16:08:49,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 106 flow [2024-11-12 16:08:49,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:08:49,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 16:08:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2024-11-12 16:08:49,302 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5175438596491229 [2024-11-12 16:08:49,302 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 70 flow. Second operand 3 states and 59 transitions. [2024-11-12 16:08:49,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 106 flow [2024-11-12 16:08:49,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 16:08:49,304 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 64 flow [2024-11-12 16:08:49,304 INFO L262 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} [2024-11-12 16:08:49,305 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places. [2024-11-12 16:08:49,305 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 64 flow [2024-11-12 16:08:49,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-12 16:08:49,306 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:08:49,306 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:08:49,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 16:08:49,306 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:08:49,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:08:49,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1946830389, now seen corresponding path program 1 times [2024-11-12 16:08:49,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:08:49,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255182781] [2024-11-12 16:08:49,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:08:49,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:08:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:08:49,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:08:49,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:08:49,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255182781] [2024-11-12 16:08:49,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255182781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:08:49,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:08:49,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:08:49,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542990858] [2024-11-12 16:08:49,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:08:49,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:08:49,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:08:49,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:08:49,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:08:49,676 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-12 16:08:49,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 64 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:08:49,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:08:49,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-12 16:08:49,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:08:50,045 INFO L124 PetriNetUnfolderBase]: 426/820 cut-off events. [2024-11-12 16:08:50,047 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 16:08:50,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1563 conditions, 820 events. 426/820 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4393 event pairs, 96 based on Foata normal form. 0/793 useless extension candidates. Maximal degree in co-relation 1557. Up to 358 conditions per place. [2024-11-12 16:08:50,053 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 24 selfloop transitions, 2 changer transitions 39/74 dead transitions. [2024-11-12 16:08:50,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 74 transitions, 284 flow [2024-11-12 16:08:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 16:08:50,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 16:08:50,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 163 transitions. [2024-11-12 16:08:50,055 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5361842105263158 [2024-11-12 16:08:50,055 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 64 flow. Second operand 8 states and 163 transitions. [2024-11-12 16:08:50,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 74 transitions, 284 flow [2024-11-12 16:08:50,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 74 transitions, 283 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 16:08:50,059 INFO L231 Difference]: Finished difference. Result has 47 places, 28 transitions, 77 flow [2024-11-12 16:08:50,059 INFO L262 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} [2024-11-12 16:08:50,060 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 6 predicate places. [2024-11-12 16:08:50,060 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 28 transitions, 77 flow [2024-11-12 16:08:50,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:08:50,061 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:08:50,061 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:08:50,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 16:08:50,061 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:08:50,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:08:50,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1274561474, now seen corresponding path program 1 times [2024-11-12 16:08:50,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:08:50,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186931939] [2024-11-12 16:08:50,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:08:50,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:08:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:08:50,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:08:50,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:08:50,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186931939] [2024-11-12 16:08:50,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186931939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:08:50,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:08:50,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:08:50,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156933457] [2024-11-12 16:08:50,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:08:50,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:08:50,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:08:50,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:08:50,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:08:50,358 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-11-12 16:08:50,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 28 transitions, 77 flow. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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) [2024-11-12 16:08:50,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:08:50,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-11-12 16:08:50,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:08:50,615 INFO L124 PetriNetUnfolderBase]: 245/508 cut-off events. [2024-11-12 16:08:50,615 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-11-12 16:08:50,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1074 conditions, 508 events. 245/508 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2528 event pairs, 69 based on Foata normal form. 20/522 useless extension candidates. Maximal degree in co-relation 1062. Up to 253 conditions per place. [2024-11-12 16:08:50,618 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 25 selfloop transitions, 2 changer transitions 23/60 dead transitions. [2024-11-12 16:08:50,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 60 transitions, 253 flow [2024-11-12 16:08:50,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 16:08:50,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-12 16:08:50,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 143 transitions. [2024-11-12 16:08:50,621 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5375939849624061 [2024-11-12 16:08:50,621 INFO L175 Difference]: Start difference. First operand has 47 places, 28 transitions, 77 flow. Second operand 7 states and 143 transitions. [2024-11-12 16:08:50,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 60 transitions, 253 flow [2024-11-12 16:08:50,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 60 transitions, 233 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-12 16:08:50,624 INFO L231 Difference]: Finished difference. Result has 46 places, 28 transitions, 81 flow [2024-11-12 16:08:50,625 INFO L262 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} [2024-11-12 16:08:50,625 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 5 predicate places. [2024-11-12 16:08:50,626 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 28 transitions, 81 flow [2024-11-12 16:08:50,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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) [2024-11-12 16:08:50,626 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:08:50,626 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:08:50,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 16:08:50,627 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:08:50,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:08:50,627 INFO L85 PathProgramCache]: Analyzing trace with hash 696225836, now seen corresponding path program 1 times [2024-11-12 16:08:50,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:08:50,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232101718] [2024-11-12 16:08:50,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:08:50,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:08:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:08:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:08:52,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:08:52,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232101718] [2024-11-12 16:08:52,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232101718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:08:52,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:08:52,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 16:08:52,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424814114] [2024-11-12 16:08:52,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:08:52,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 16:08:52,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:08:52,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 16:08:52,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 16:08:52,057 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-12 16:08:52,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 28 transitions, 81 flow. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 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) [2024-11-12 16:08:52,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:08:52,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-12 16:08:52,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:08:52,598 INFO L124 PetriNetUnfolderBase]: 309/652 cut-off events. [2024-11-12 16:08:52,599 INFO L125 PetriNetUnfolderBase]: For 140/141 co-relation queries the response was YES. [2024-11-12 16:08:52,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1395 conditions, 652 events. 309/652 cut-off events. For 140/141 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3279 event pairs, 52 based on Foata normal form. 16/665 useless extension candidates. Maximal degree in co-relation 1382. Up to 351 conditions per place. [2024-11-12 16:08:52,604 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 27 selfloop transitions, 8 changer transitions 21/65 dead transitions. [2024-11-12 16:08:52,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 65 transitions, 282 flow [2024-11-12 16:08:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 16:08:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-12 16:08:52,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 166 transitions. [2024-11-12 16:08:52,608 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4853801169590643 [2024-11-12 16:08:52,608 INFO L175 Difference]: Start difference. First operand has 46 places, 28 transitions, 81 flow. Second operand 9 states and 166 transitions. [2024-11-12 16:08:52,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 65 transitions, 282 flow [2024-11-12 16:08:52,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 65 transitions, 260 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-12 16:08:52,613 INFO L231 Difference]: Finished difference. Result has 50 places, 34 transitions, 145 flow [2024-11-12 16:08:52,613 INFO L262 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=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=145, PETRI_PLACES=50, PETRI_TRANSITIONS=34} [2024-11-12 16:08:52,613 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 9 predicate places. [2024-11-12 16:08:52,614 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 34 transitions, 145 flow [2024-11-12 16:08:52,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 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) [2024-11-12 16:08:52,614 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:08:52,614 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:08:52,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 16:08:52,614 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:08:52,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:08:52,615 INFO L85 PathProgramCache]: Analyzing trace with hash 2104934610, now seen corresponding path program 2 times [2024-11-12 16:08:52,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:08:52,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639532151] [2024-11-12 16:08:52,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:08:52,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:08:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:08:53,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:08:53,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:08:53,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639532151] [2024-11-12 16:08:53,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639532151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:08:53,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:08:53,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 16:08:53,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47596623] [2024-11-12 16:08:53,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:08:53,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 16:08:53,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:08:53,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 16:08:53,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:08:53,780 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-11-12 16:08:53,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 34 transitions, 145 flow. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 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) [2024-11-12 16:08:53,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:08:53,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-11-12 16:08:53,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:08:54,494 INFO L124 PetriNetUnfolderBase]: 487/916 cut-off events. [2024-11-12 16:08:54,494 INFO L125 PetriNetUnfolderBase]: For 1050/1102 co-relation queries the response was YES. [2024-11-12 16:08:54,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2802 conditions, 916 events. 487/916 cut-off events. For 1050/1102 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4478 event pairs, 58 based on Foata normal form. 42/952 useless extension candidates. Maximal degree in co-relation 2787. Up to 590 conditions per place. [2024-11-12 16:08:54,501 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 55 selfloop transitions, 21 changer transitions 31/114 dead transitions. [2024-11-12 16:08:54,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 114 transitions, 704 flow [2024-11-12 16:08:54,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 16:08:54,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-12 16:08:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 255 transitions. [2024-11-12 16:08:54,503 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4473684210526316 [2024-11-12 16:08:54,503 INFO L175 Difference]: Start difference. First operand has 50 places, 34 transitions, 145 flow. Second operand 15 states and 255 transitions. [2024-11-12 16:08:54,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 114 transitions, 704 flow [2024-11-12 16:08:54,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 114 transitions, 687 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-12 16:08:54,508 INFO L231 Difference]: Finished difference. Result has 66 places, 52 transitions, 342 flow [2024-11-12 16:08:54,509 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=342, PETRI_PLACES=66, PETRI_TRANSITIONS=52} [2024-11-12 16:08:54,509 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 25 predicate places. [2024-11-12 16:08:54,509 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 52 transitions, 342 flow [2024-11-12 16:08:54,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 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) [2024-11-12 16:08:54,510 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:08:54,510 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:08:54,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 16:08:54,511 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:08:54,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:08:54,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1577024779, now seen corresponding path program 1 times [2024-11-12 16:08:54,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:08:54,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845726834] [2024-11-12 16:08:54,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:08:54,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:08:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:08:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:08:55,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:08:55,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845726834] [2024-11-12 16:08:55,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845726834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:08:55,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:08:55,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 16:08:55,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580328553] [2024-11-12 16:08:55,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:08:55,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 16:08:55,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:08:55,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 16:08:55,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 16:08:55,308 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-11-12 16:08:55,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 52 transitions, 342 flow. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2024-11-12 16:08:55,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:08:55,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-11-12 16:08:55,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:08:56,165 INFO L124 PetriNetUnfolderBase]: 569/1011 cut-off events. [2024-11-12 16:08:56,165 INFO L125 PetriNetUnfolderBase]: For 2633/2667 co-relation queries the response was YES. [2024-11-12 16:08:56,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3872 conditions, 1011 events. 569/1011 cut-off events. For 2633/2667 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 5012 event pairs, 30 based on Foata normal form. 45/1052 useless extension candidates. Maximal degree in co-relation 3849. Up to 407 conditions per place. [2024-11-12 16:08:56,174 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 66 selfloop transitions, 34 changer transitions 36/145 dead transitions. [2024-11-12 16:08:56,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 145 transitions, 1180 flow [2024-11-12 16:08:56,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 16:08:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-12 16:08:56,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 259 transitions. [2024-11-12 16:08:56,177 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4543859649122807 [2024-11-12 16:08:56,177 INFO L175 Difference]: Start difference. First operand has 66 places, 52 transitions, 342 flow. Second operand 15 states and 259 transitions. [2024-11-12 16:08:56,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 145 transitions, 1180 flow [2024-11-12 16:08:56,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 145 transitions, 1038 flow, removed 58 selfloop flow, removed 7 redundant places. [2024-11-12 16:08:56,190 INFO L231 Difference]: Finished difference. Result has 80 places, 79 transitions, 636 flow [2024-11-12 16:08:56,190 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=636, PETRI_PLACES=80, PETRI_TRANSITIONS=79} [2024-11-12 16:08:56,192 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 39 predicate places. [2024-11-12 16:08:56,192 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 79 transitions, 636 flow [2024-11-12 16:08:56,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2024-11-12 16:08:56,192 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:08:56,192 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:08:56,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 16:08:56,193 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:08:56,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:08:56,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1487003437, now seen corresponding path program 1 times [2024-11-12 16:08:56,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:08:56,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638573968] [2024-11-12 16:08:56,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:08:56,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:08:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:08:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:08:56,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:08:56,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638573968] [2024-11-12 16:08:56,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638573968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:08:56,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:08:56,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 16:08:56,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904227126] [2024-11-12 16:08:56,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:08:56,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 16:08:56,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:08:56,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 16:08:56,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 16:08:56,820 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-11-12 16:08:56,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 79 transitions, 636 flow. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:08:56,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:08:56,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-11-12 16:08:56,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:08:57,213 INFO L124 PetriNetUnfolderBase]: 581/1077 cut-off events. [2024-11-12 16:08:57,213 INFO L125 PetriNetUnfolderBase]: For 5435/5533 co-relation queries the response was YES. [2024-11-12 16:08:57,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4916 conditions, 1077 events. 581/1077 cut-off events. For 5435/5533 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5554 event pairs, 54 based on Foata normal form. 102/1178 useless extension candidates. Maximal degree in co-relation 4885. Up to 595 conditions per place. [2024-11-12 16:08:57,225 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 100 selfloop transitions, 8 changer transitions 2/116 dead transitions. [2024-11-12 16:08:57,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 116 transitions, 1156 flow [2024-11-12 16:08:57,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 16:08:57,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-12 16:08:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 96 transitions. [2024-11-12 16:08:57,227 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5052631578947369 [2024-11-12 16:08:57,227 INFO L175 Difference]: Start difference. First operand has 80 places, 79 transitions, 636 flow. Second operand 5 states and 96 transitions. [2024-11-12 16:08:57,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 116 transitions, 1156 flow [2024-11-12 16:08:57,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 116 transitions, 1053 flow, removed 50 selfloop flow, removed 7 redundant places. [2024-11-12 16:08:57,243 INFO L231 Difference]: Finished difference. Result has 72 places, 73 transitions, 559 flow [2024-11-12 16:08:57,243 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=559, PETRI_PLACES=72, PETRI_TRANSITIONS=73} [2024-11-12 16:08:57,244 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 31 predicate places. [2024-11-12 16:08:57,246 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 73 transitions, 559 flow [2024-11-12 16:08:57,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 16:08:57,247 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:08:57,247 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:08:57,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 16:08:57,247 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:08:57,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:08:57,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1387541963, now seen corresponding path program 2 times [2024-11-12 16:08:57,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:08:57,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518689384] [2024-11-12 16:08:57,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:08:57,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:08:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:08:57,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:08:57,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:08:57,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518689384] [2024-11-12 16:08:57,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518689384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:08:57,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:08:57,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 16:08:57,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25948861] [2024-11-12 16:08:57,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:08:57,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 16:08:57,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:08:57,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 16:08:57,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 16:08:57,925 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-12 16:08:57,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 73 transitions, 559 flow. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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) [2024-11-12 16:08:57,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:08:57,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-12 16:08:57,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:08:58,365 INFO L124 PetriNetUnfolderBase]: 443/913 cut-off events. [2024-11-12 16:08:58,366 INFO L125 PetriNetUnfolderBase]: For 3015/3071 co-relation queries the response was YES. [2024-11-12 16:08:58,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3784 conditions, 913 events. 443/913 cut-off events. For 3015/3071 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4983 event pairs, 69 based on Foata normal form. 58/967 useless extension candidates. Maximal degree in co-relation 3755. Up to 391 conditions per place. [2024-11-12 16:08:58,375 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 67 selfloop transitions, 38 changer transitions 14/133 dead transitions. [2024-11-12 16:08:58,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 133 transitions, 1184 flow [2024-11-12 16:08:58,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 16:08:58,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-12 16:08:58,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 225 transitions. [2024-11-12 16:08:58,376 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4934210526315789 [2024-11-12 16:08:58,376 INFO L175 Difference]: Start difference. First operand has 72 places, 73 transitions, 559 flow. Second operand 12 states and 225 transitions. [2024-11-12 16:08:58,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 133 transitions, 1184 flow [2024-11-12 16:08:58,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 133 transitions, 1121 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-11-12 16:08:58,387 INFO L231 Difference]: Finished difference. Result has 84 places, 92 transitions, 840 flow [2024-11-12 16:08:58,387 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=840, PETRI_PLACES=84, PETRI_TRANSITIONS=92} [2024-11-12 16:08:58,389 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 43 predicate places. [2024-11-12 16:08:58,389 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 92 transitions, 840 flow [2024-11-12 16:08:58,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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) [2024-11-12 16:08:58,389 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:08:58,390 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:08:58,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 16:08:58,390 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:08:58,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:08:58,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1688336125, now seen corresponding path program 2 times [2024-11-12 16:08:58,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:08:58,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624038779] [2024-11-12 16:08:58,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:08:58,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:08:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:08:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:09:00,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:09:00,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624038779] [2024-11-12 16:09:00,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624038779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:09:00,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:09:00,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 16:09:00,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338236322] [2024-11-12 16:09:00,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:09:00,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 16:09:00,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:09:00,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 16:09:00,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-12 16:09:00,023 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-12 16:09:00,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 92 transitions, 840 flow. Second operand has 11 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 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) [2024-11-12 16:09:00,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:09:00,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-12 16:09:00,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:09:00,589 INFO L124 PetriNetUnfolderBase]: 401/828 cut-off events. [2024-11-12 16:09:00,590 INFO L125 PetriNetUnfolderBase]: For 2929/2989 co-relation queries the response was YES. [2024-11-12 16:09:00,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3672 conditions, 828 events. 401/828 cut-off events. For 2929/2989 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4368 event pairs, 53 based on Foata normal form. 33/854 useless extension candidates. Maximal degree in co-relation 3639. Up to 516 conditions per place. [2024-11-12 16:09:00,598 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 74 selfloop transitions, 26 changer transitions 13/127 dead transitions. [2024-11-12 16:09:00,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 127 transitions, 1283 flow [2024-11-12 16:09:00,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 16:09:00,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-12 16:09:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 180 transitions. [2024-11-12 16:09:00,600 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2024-11-12 16:09:00,600 INFO L175 Difference]: Start difference. First operand has 84 places, 92 transitions, 840 flow. Second operand 10 states and 180 transitions. [2024-11-12 16:09:00,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 127 transitions, 1283 flow [2024-11-12 16:09:00,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 127 transitions, 1256 flow, removed 12 selfloop flow, removed 3 redundant places. [2024-11-12 16:09:00,615 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 957 flow [2024-11-12 16:09:00,615 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=957, PETRI_PLACES=93, PETRI_TRANSITIONS=97} [2024-11-12 16:09:00,616 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 52 predicate places. [2024-11-12 16:09:00,617 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 957 flow [2024-11-12 16:09:00,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 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) [2024-11-12 16:09:00,618 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:09:00,618 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:09:00,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 16:09:00,618 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:09:00,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:09:00,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1604395185, now seen corresponding path program 3 times [2024-11-12 16:09:00,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:09:00,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157136133] [2024-11-12 16:09:00,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:09:00,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:09:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:09:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:09:01,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:09:01,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157136133] [2024-11-12 16:09:01,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157136133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:09:01,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:09:01,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 16:09:01,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937647818] [2024-11-12 16:09:01,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:09:01,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 16:09:01,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:09:01,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 16:09:01,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 16:09:01,643 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-12 16:09:01,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 97 transitions, 957 flow. Second operand has 11 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 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) [2024-11-12 16:09:01,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:09:01,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-12 16:09:01,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:09:02,273 INFO L124 PetriNetUnfolderBase]: 478/969 cut-off events. [2024-11-12 16:09:02,274 INFO L125 PetriNetUnfolderBase]: For 4695/4747 co-relation queries the response was YES. [2024-11-12 16:09:02,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4533 conditions, 969 events. 478/969 cut-off events. For 4695/4747 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5341 event pairs, 42 based on Foata normal form. 58/1018 useless extension candidates. Maximal degree in co-relation 4495. Up to 347 conditions per place. [2024-11-12 16:09:02,284 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 67 selfloop transitions, 50 changer transitions 32/161 dead transitions. [2024-11-12 16:09:02,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 161 transitions, 1672 flow [2024-11-12 16:09:02,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 16:09:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-12 16:09:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 261 transitions. [2024-11-12 16:09:02,286 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4906015037593985 [2024-11-12 16:09:02,286 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 957 flow. Second operand 14 states and 261 transitions. [2024-11-12 16:09:02,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 161 transitions, 1672 flow [2024-11-12 16:09:02,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 161 transitions, 1605 flow, removed 17 selfloop flow, removed 7 redundant places. [2024-11-12 16:09:02,303 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 1139 flow [2024-11-12 16:09:02,304 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1139, PETRI_PLACES=102, PETRI_TRANSITIONS=100} [2024-11-12 16:09:02,305 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 61 predicate places. [2024-11-12 16:09:02,305 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 1139 flow [2024-11-12 16:09:02,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 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) [2024-11-12 16:09:02,307 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:09:02,307 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:09:02,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 16:09:02,308 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:09:02,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:09:02,308 INFO L85 PathProgramCache]: Analyzing trace with hash -756022767, now seen corresponding path program 4 times [2024-11-12 16:09:02,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:09:02,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417090949] [2024-11-12 16:09:02,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:09:02,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:09:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:09:02,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:09:02,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:09:02,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417090949] [2024-11-12 16:09:02,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417090949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:09:02,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:09:02,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 16:09:02,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847642855] [2024-11-12 16:09:02,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:09:02,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 16:09:02,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:09:02,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 16:09:02,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 16:09:02,894 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-12 16:09:02,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 1139 flow. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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) [2024-11-12 16:09:02,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:09:02,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-12 16:09:02,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:09:03,320 INFO L124 PetriNetUnfolderBase]: 441/907 cut-off events. [2024-11-12 16:09:03,320 INFO L125 PetriNetUnfolderBase]: For 5683/5721 co-relation queries the response was YES. [2024-11-12 16:09:03,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4607 conditions, 907 events. 441/907 cut-off events. For 5683/5721 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5012 event pairs, 85 based on Foata normal form. 31/929 useless extension candidates. Maximal degree in co-relation 4566. Up to 470 conditions per place. [2024-11-12 16:09:03,328 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 72 selfloop transitions, 33 changer transitions 18/135 dead transitions. [2024-11-12 16:09:03,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 135 transitions, 1641 flow [2024-11-12 16:09:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 16:09:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-12 16:09:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 168 transitions. [2024-11-12 16:09:03,329 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49122807017543857 [2024-11-12 16:09:03,329 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 1139 flow. Second operand 9 states and 168 transitions. [2024-11-12 16:09:03,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 135 transitions, 1641 flow [2024-11-12 16:09:03,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 135 transitions, 1559 flow, removed 16 selfloop flow, removed 12 redundant places. [2024-11-12 16:09:03,346 INFO L231 Difference]: Finished difference. Result has 100 places, 105 transitions, 1232 flow [2024-11-12 16:09:03,347 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1061, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1232, PETRI_PLACES=100, PETRI_TRANSITIONS=105} [2024-11-12 16:09:03,347 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 59 predicate places. [2024-11-12 16:09:03,347 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 105 transitions, 1232 flow [2024-11-12 16:09:03,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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) [2024-11-12 16:09:03,348 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:09:03,348 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:09:03,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 16:09:03,348 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:09:03,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:09:03,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1283050463, now seen corresponding path program 5 times [2024-11-12 16:09:03,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:09:03,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271916047] [2024-11-12 16:09:03,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:09:03,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:09:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:09:04,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:09:04,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:09:04,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271916047] [2024-11-12 16:09:04,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271916047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:09:04,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:09:04,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 16:09:04,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084440686] [2024-11-12 16:09:04,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:09:04,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 16:09:04,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:09:04,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 16:09:04,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:09:04,234 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-12 16:09:04,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 105 transitions, 1232 flow. Second operand has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 9 states have internal predecessors, (123), 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) [2024-11-12 16:09:04,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:09:04,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-12 16:09:04,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:09:04,809 INFO L124 PetriNetUnfolderBase]: 364/770 cut-off events. [2024-11-12 16:09:04,810 INFO L125 PetriNetUnfolderBase]: For 4905/4943 co-relation queries the response was YES. [2024-11-12 16:09:04,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4014 conditions, 770 events. 364/770 cut-off events. For 4905/4943 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4079 event pairs, 70 based on Foata normal form. 36/799 useless extension candidates. Maximal degree in co-relation 3975. Up to 484 conditions per place. [2024-11-12 16:09:04,817 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 80 selfloop transitions, 28 changer transitions 15/135 dead transitions. [2024-11-12 16:09:04,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 135 transitions, 1714 flow [2024-11-12 16:09:04,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 16:09:04,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-12 16:09:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 194 transitions. [2024-11-12 16:09:04,820 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.46411483253588515 [2024-11-12 16:09:04,820 INFO L175 Difference]: Start difference. First operand has 100 places, 105 transitions, 1232 flow. Second operand 11 states and 194 transitions. [2024-11-12 16:09:04,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 135 transitions, 1714 flow [2024-11-12 16:09:04,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 135 transitions, 1641 flow, removed 22 selfloop flow, removed 6 redundant places. [2024-11-12 16:09:04,840 INFO L231 Difference]: Finished difference. Result has 108 places, 108 transitions, 1310 flow [2024-11-12 16:09:04,840 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1165, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1310, PETRI_PLACES=108, PETRI_TRANSITIONS=108} [2024-11-12 16:09:04,841 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 67 predicate places. [2024-11-12 16:09:04,841 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 108 transitions, 1310 flow [2024-11-12 16:09:04,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 9 states have internal predecessors, (123), 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) [2024-11-12 16:09:04,841 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:09:04,841 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:09:04,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 16:09:04,842 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:09:04,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:09:04,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1868006713, now seen corresponding path program 3 times [2024-11-12 16:09:04,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:09:04,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234731475] [2024-11-12 16:09:04,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:09:04,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:09:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:09:05,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:09:05,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:09:05,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234731475] [2024-11-12 16:09:05,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234731475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:09:05,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:09:05,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 16:09:05,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244573987] [2024-11-12 16:09:05,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:09:05,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 16:09:05,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:09:05,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 16:09:05,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 16:09:05,400 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-11-12 16:09:05,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 108 transitions, 1310 flow. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2024-11-12 16:09:05,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:09:05,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-11-12 16:09:05,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:09:05,725 INFO L124 PetriNetUnfolderBase]: 407/804 cut-off events. [2024-11-12 16:09:05,725 INFO L125 PetriNetUnfolderBase]: For 7036/7073 co-relation queries the response was YES. [2024-11-12 16:09:05,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4195 conditions, 804 events. 407/804 cut-off events. For 7036/7073 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3806 event pairs, 42 based on Foata normal form. 68/868 useless extension candidates. Maximal degree in co-relation 4159. Up to 335 conditions per place. [2024-11-12 16:09:05,732 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 87 selfloop transitions, 10 changer transitions 1/104 dead transitions. [2024-11-12 16:09:05,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 104 transitions, 1354 flow [2024-11-12 16:09:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:09:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 16:09:05,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 111 transitions. [2024-11-12 16:09:05,733 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4868421052631579 [2024-11-12 16:09:05,733 INFO L175 Difference]: Start difference. First operand has 108 places, 108 transitions, 1310 flow. Second operand 6 states and 111 transitions. [2024-11-12 16:09:05,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 104 transitions, 1354 flow [2024-11-12 16:09:05,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 104 transitions, 1210 flow, removed 28 selfloop flow, removed 13 redundant places. [2024-11-12 16:09:05,745 INFO L231 Difference]: Finished difference. Result has 97 places, 72 transitions, 745 flow [2024-11-12 16:09:05,746 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=745, PETRI_PLACES=97, PETRI_TRANSITIONS=72} [2024-11-12 16:09:05,746 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 56 predicate places. [2024-11-12 16:09:05,746 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 72 transitions, 745 flow [2024-11-12 16:09:05,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2024-11-12 16:09:05,747 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:09:05,747 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:09:05,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 16:09:05,747 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:09:05,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:09:05,748 INFO L85 PathProgramCache]: Analyzing trace with hash -2015535567, now seen corresponding path program 1 times [2024-11-12 16:09:05,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:09:05,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108528955] [2024-11-12 16:09:05,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:09:05,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:09:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:09:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:09:07,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:09:07,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108528955] [2024-11-12 16:09:07,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108528955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:09:07,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:09:07,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 16:09:07,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337742178] [2024-11-12 16:09:07,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:09:07,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 16:09:07,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:09:07,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 16:09:07,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-12 16:09:07,105 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-12 16:09:07,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 72 transitions, 745 flow. Second operand has 11 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 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) [2024-11-12 16:09:07,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:09:07,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-12 16:09:07,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:09:07,771 INFO L124 PetriNetUnfolderBase]: 285/629 cut-off events. [2024-11-12 16:09:07,772 INFO L125 PetriNetUnfolderBase]: For 4103/4128 co-relation queries the response was YES. [2024-11-12 16:09:07,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3137 conditions, 629 events. 285/629 cut-off events. For 4103/4128 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 3045 event pairs, 64 based on Foata normal form. 22/641 useless extension candidates. Maximal degree in co-relation 3107. Up to 309 conditions per place. [2024-11-12 16:09:07,778 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 64 selfloop transitions, 31 changer transitions 22/129 dead transitions. [2024-11-12 16:09:07,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 129 transitions, 1401 flow [2024-11-12 16:09:07,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 16:09:07,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-12 16:09:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 312 transitions. [2024-11-12 16:09:07,780 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45614035087719296 [2024-11-12 16:09:07,780 INFO L175 Difference]: Start difference. First operand has 97 places, 72 transitions, 745 flow. Second operand 18 states and 312 transitions. [2024-11-12 16:09:07,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 129 transitions, 1401 flow [2024-11-12 16:09:07,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 129 transitions, 1322 flow, removed 19 selfloop flow, removed 8 redundant places. [2024-11-12 16:09:07,793 INFO L231 Difference]: Finished difference. Result has 118 places, 79 transitions, 914 flow [2024-11-12 16:09:07,793 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=914, PETRI_PLACES=118, PETRI_TRANSITIONS=79} [2024-11-12 16:09:07,794 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 77 predicate places. [2024-11-12 16:09:07,794 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 79 transitions, 914 flow [2024-11-12 16:09:07,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 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) [2024-11-12 16:09:07,794 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:09:07,794 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:09:07,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 16:09:07,795 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:09:07,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:09:07,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1204006000, now seen corresponding path program 1 times [2024-11-12 16:09:07,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:09:07,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377662964] [2024-11-12 16:09:07,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:09:07,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:09:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:09:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:09:09,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:09:09,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377662964] [2024-11-12 16:09:09,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377662964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:09:09,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:09:09,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 16:09:09,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991433119] [2024-11-12 16:09:09,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:09:09,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 16:09:09,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:09:09,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 16:09:09,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 16:09:09,402 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-12 16:09:09,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 79 transitions, 914 flow. Second operand has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 11 states have internal predecessors, (148), 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) [2024-11-12 16:09:09,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:09:09,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-12 16:09:09,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:09:10,019 INFO L124 PetriNetUnfolderBase]: 281/622 cut-off events. [2024-11-12 16:09:10,020 INFO L125 PetriNetUnfolderBase]: For 5324/5346 co-relation queries the response was YES. [2024-11-12 16:09:10,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3290 conditions, 622 events. 281/622 cut-off events. For 5324/5346 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 3013 event pairs, 61 based on Foata normal form. 16/628 useless extension candidates. Maximal degree in co-relation 3252. Up to 319 conditions per place. [2024-11-12 16:09:10,026 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 53 selfloop transitions, 33 changer transitions 17/115 dead transitions. [2024-11-12 16:09:10,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 115 transitions, 1386 flow [2024-11-12 16:09:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 16:09:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-12 16:09:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 242 transitions. [2024-11-12 16:09:10,028 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4548872180451128 [2024-11-12 16:09:10,028 INFO L175 Difference]: Start difference. First operand has 118 places, 79 transitions, 914 flow. Second operand 14 states and 242 transitions. [2024-11-12 16:09:10,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 115 transitions, 1386 flow [2024-11-12 16:09:10,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 115 transitions, 1246 flow, removed 53 selfloop flow, removed 12 redundant places. [2024-11-12 16:09:10,045 INFO L231 Difference]: Finished difference. Result has 119 places, 82 transitions, 961 flow [2024-11-12 16:09:10,045 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=961, PETRI_PLACES=119, PETRI_TRANSITIONS=82} [2024-11-12 16:09:10,045 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 78 predicate places. [2024-11-12 16:09:10,046 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 82 transitions, 961 flow [2024-11-12 16:09:10,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 11 states have internal predecessors, (148), 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) [2024-11-12 16:09:10,046 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:09:10,046 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:09:10,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 16:09:10,047 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:09:10,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:09:10,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1149869666, now seen corresponding path program 1 times [2024-11-12 16:09:10,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:09:10,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472077438] [2024-11-12 16:09:10,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:09:10,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:09:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:09:10,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:09:10,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:09:10,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472077438] [2024-11-12 16:09:10,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472077438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:09:10,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:09:10,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 16:09:10,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743759135] [2024-11-12 16:09:10,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:09:10,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:09:10,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:09:10,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:09:10,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:09:10,381 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-11-12 16:09:10,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 82 transitions, 961 flow. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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) [2024-11-12 16:09:10,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:09:10,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-11-12 16:09:10,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:09:10,619 INFO L124 PetriNetUnfolderBase]: 322/718 cut-off events. [2024-11-12 16:09:10,619 INFO L125 PetriNetUnfolderBase]: For 6796/6815 co-relation queries the response was YES. [2024-11-12 16:09:10,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3730 conditions, 718 events. 322/718 cut-off events. For 6796/6815 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3831 event pairs, 140 based on Foata normal form. 27/727 useless extension candidates. Maximal degree in co-relation 3692. Up to 313 conditions per place. [2024-11-12 16:09:10,627 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 38 selfloop transitions, 8 changer transitions 47/106 dead transitions. [2024-11-12 16:09:10,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 106 transitions, 1383 flow [2024-11-12 16:09:10,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:09:10,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 16:09:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 122 transitions. [2024-11-12 16:09:10,629 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5350877192982456 [2024-11-12 16:09:10,629 INFO L175 Difference]: Start difference. First operand has 119 places, 82 transitions, 961 flow. Second operand 6 states and 122 transitions. [2024-11-12 16:09:10,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 106 transitions, 1383 flow [2024-11-12 16:09:10,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 106 transitions, 1258 flow, removed 42 selfloop flow, removed 10 redundant places. [2024-11-12 16:09:10,646 INFO L231 Difference]: Finished difference. Result has 111 places, 58 transitions, 575 flow [2024-11-12 16:09:10,647 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=864, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=575, PETRI_PLACES=111, PETRI_TRANSITIONS=58} [2024-11-12 16:09:10,647 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 70 predicate places. [2024-11-12 16:09:10,647 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 58 transitions, 575 flow [2024-11-12 16:09:10,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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) [2024-11-12 16:09:10,648 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:09:10,648 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:09:10,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 16:09:10,648 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:09:10,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:09:10,649 INFO L85 PathProgramCache]: Analyzing trace with hash -213679276, now seen corresponding path program 2 times [2024-11-12 16:09:10,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:09:10,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935758929] [2024-11-12 16:09:10,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:09:10,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:09:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:09:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:09:11,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:09:11,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935758929] [2024-11-12 16:09:11,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935758929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:09:11,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:09:11,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 16:09:11,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341458027] [2024-11-12 16:09:11,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:09:11,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 16:09:11,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:09:11,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 16:09:11,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:09:11,121 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-12 16:09:11,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 58 transitions, 575 flow. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 9 states have internal predecessors, (124), 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) [2024-11-12 16:09:11,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:09:11,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-12 16:09:11,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:09:11,413 INFO L124 PetriNetUnfolderBase]: 268/607 cut-off events. [2024-11-12 16:09:11,413 INFO L125 PetriNetUnfolderBase]: For 4519/4533 co-relation queries the response was YES. [2024-11-12 16:09:11,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2879 conditions, 607 events. 268/607 cut-off events. For 4519/4533 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3079 event pairs, 118 based on Foata normal form. 13/608 useless extension candidates. Maximal degree in co-relation 2844. Up to 291 conditions per place. [2024-11-12 16:09:11,418 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 48 selfloop transitions, 7 changer transitions 28/94 dead transitions. [2024-11-12 16:09:11,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 94 transitions, 1055 flow [2024-11-12 16:09:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 16:09:11,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-12 16:09:11,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 144 transitions. [2024-11-12 16:09:11,420 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2024-11-12 16:09:11,420 INFO L175 Difference]: Start difference. First operand has 111 places, 58 transitions, 575 flow. Second operand 8 states and 144 transitions. [2024-11-12 16:09:11,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 94 transitions, 1055 flow [2024-11-12 16:09:11,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 94 transitions, 918 flow, removed 31 selfloop flow, removed 16 redundant places. [2024-11-12 16:09:11,432 INFO L231 Difference]: Finished difference. Result has 99 places, 58 transitions, 505 flow [2024-11-12 16:09:11,432 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=505, PETRI_PLACES=99, PETRI_TRANSITIONS=58} [2024-11-12 16:09:11,433 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 58 predicate places. [2024-11-12 16:09:11,433 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 58 transitions, 505 flow [2024-11-12 16:09:11,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 9 states have internal predecessors, (124), 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) [2024-11-12 16:09:11,434 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:09:11,434 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:09:11,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 16:09:11,434 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:09:11,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:09:11,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1221672098, now seen corresponding path program 3 times [2024-11-12 16:09:11,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:09:11,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437394022] [2024-11-12 16:09:11,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:09:11,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:09:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:09:12,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:09:12,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:09:12,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437394022] [2024-11-12 16:09:12,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437394022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:09:12,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:09:12,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 16:09:12,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825616716] [2024-11-12 16:09:12,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:09:12,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 16:09:12,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:09:12,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 16:09:12,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-12 16:09:12,354 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-12 16:09:12,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 58 transitions, 505 flow. Second operand has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 11 states have internal predecessors, (148), 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) [2024-11-12 16:09:12,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:09:12,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-12 16:09:12,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:09:12,820 INFO L124 PetriNetUnfolderBase]: 172/412 cut-off events. [2024-11-12 16:09:12,820 INFO L125 PetriNetUnfolderBase]: For 2207/2211 co-relation queries the response was YES. [2024-11-12 16:09:12,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1774 conditions, 412 events. 172/412 cut-off events. For 2207/2211 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1824 event pairs, 33 based on Foata normal form. 14/416 useless extension candidates. Maximal degree in co-relation 1743. Up to 156 conditions per place. [2024-11-12 16:09:12,822 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 34 selfloop transitions, 15 changer transitions 31/89 dead transitions. [2024-11-12 16:09:12,822 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 89 transitions, 830 flow [2024-11-12 16:09:12,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 16:09:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-12 16:09:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 218 transitions. [2024-11-12 16:09:12,824 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44129554655870445 [2024-11-12 16:09:12,824 INFO L175 Difference]: Start difference. First operand has 99 places, 58 transitions, 505 flow. Second operand 13 states and 218 transitions. [2024-11-12 16:09:12,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 89 transitions, 830 flow [2024-11-12 16:09:12,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 89 transitions, 801 flow, removed 11 selfloop flow, removed 5 redundant places. [2024-11-12 16:09:12,832 INFO L231 Difference]: Finished difference. Result has 106 places, 43 transitions, 386 flow [2024-11-12 16:09:12,832 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=386, PETRI_PLACES=106, PETRI_TRANSITIONS=43} [2024-11-12 16:09:12,832 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 65 predicate places. [2024-11-12 16:09:12,832 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 43 transitions, 386 flow [2024-11-12 16:09:12,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 11 states have internal predecessors, (148), 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) [2024-11-12 16:09:12,833 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 16:09:12,833 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:09:12,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 16:09:12,833 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-12 16:09:12,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:09:12,834 INFO L85 PathProgramCache]: Analyzing trace with hash -536910176, now seen corresponding path program 1 times [2024-11-12 16:09:12,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:09:12,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902242930] [2024-11-12 16:09:12,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:09:12,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:09:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:09:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:09:13,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:09:13,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902242930] [2024-11-12 16:09:13,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902242930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:09:13,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:09:13,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 16:09:13,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935844795] [2024-11-12 16:09:13,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:09:13,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 16:09:13,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:09:13,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 16:09:13,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-12 16:09:13,781 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-12 16:09:13,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 43 transitions, 386 flow. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 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) [2024-11-12 16:09:13,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 16:09:13,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-12 16:09:13,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 16:09:13,993 INFO L124 PetriNetUnfolderBase]: 53/168 cut-off events. [2024-11-12 16:09:13,993 INFO L125 PetriNetUnfolderBase]: For 648/648 co-relation queries the response was YES. [2024-11-12 16:09:13,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 742 conditions, 168 events. 53/168 cut-off events. For 648/648 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 618 event pairs, 9 based on Foata normal form. 6/167 useless extension candidates. Maximal degree in co-relation 711. Up to 77 conditions per place. [2024-11-12 16:09:13,994 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2024-11-12 16:09:13,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 50 transitions, 482 flow [2024-11-12 16:09:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 16:09:13,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-12 16:09:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 141 transitions. [2024-11-12 16:09:13,995 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41228070175438597 [2024-11-12 16:09:13,995 INFO L175 Difference]: Start difference. First operand has 106 places, 43 transitions, 386 flow. Second operand 9 states and 141 transitions. [2024-11-12 16:09:13,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 50 transitions, 482 flow [2024-11-12 16:09:13,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 50 transitions, 327 flow, removed 26 selfloop flow, removed 28 redundant places. [2024-11-12 16:09:13,997 INFO L231 Difference]: Finished difference. Result has 76 places, 0 transitions, 0 flow [2024-11-12 16:09:13,997 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=76, PETRI_TRANSITIONS=0} [2024-11-12 16:09:13,997 INFO L279 CegarLoopForPetriNet]: 41 programPoint places, 35 predicate places. [2024-11-12 16:09:13,998 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 0 transitions, 0 flow [2024-11-12 16:09:13,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 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) [2024-11-12 16:09:14,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-12 16:09:14,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-12 16:09:14,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-12 16:09:14,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-12 16:09:14,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-12 16:09:14,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-12 16:09:14,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 16:09:14,002 INFO L421 BasicCegarLoop]: Path program histogram: [5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:09:14,007 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 16:09:14,007 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 16:09:14,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:09:14 BasicIcfg [2024-11-12 16:09:14,012 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 16:09:14,012 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 16:09:14,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 16:09:14,012 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 16:09:14,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:08:47" (3/4) ... [2024-11-12 16:09:14,015 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 16:09:14,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-12 16:09:14,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-12 16:09:14,024 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2024-11-12 16:09:14,024 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-12 16:09:14,025 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 16:09:14,025 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 16:09:14,105 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 16:09:14,105 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 16:09:14,106 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 16:09:14,106 INFO L158 Benchmark]: Toolchain (without parser) took 27780.15ms. Allocated memory was 140.5MB in the beginning and 748.7MB in the end (delta: 608.2MB). Free memory was 85.9MB in the beginning and 519.8MB in the end (delta: -433.9MB). Peak memory consumption was 176.5MB. Max. memory is 16.1GB. [2024-11-12 16:09:14,106 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory was 102.8MB in the beginning and 102.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:09:14,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.93ms. Allocated memory is still 140.5MB. Free memory was 85.5MB in the beginning and 109.7MB in the end (delta: -24.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-12 16:09:14,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.55ms. Allocated memory was 140.5MB in the beginning and 207.6MB in the end (delta: 67.1MB). Free memory was 109.7MB in the beginning and 177.2MB in the end (delta: -67.5MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-11-12 16:09:14,107 INFO L158 Benchmark]: Boogie Preprocessor took 65.20ms. Allocated memory is still 207.6MB. Free memory was 177.2MB in the beginning and 173.0MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 16:09:14,107 INFO L158 Benchmark]: RCFGBuilder took 846.43ms. Allocated memory is still 207.6MB. Free memory was 171.9MB in the beginning and 101.7MB in the end (delta: 70.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-11-12 16:09:14,108 INFO L158 Benchmark]: TraceAbstraction took 26115.81ms. Allocated memory was 207.6MB in the beginning and 748.7MB in the end (delta: 541.1MB). Free memory was 100.6MB in the beginning and 525.0MB in the end (delta: -424.4MB). Peak memory consumption was 115.6MB. Max. memory is 16.1GB. [2024-11-12 16:09:14,108 INFO L158 Benchmark]: Witness Printer took 93.46ms. Allocated memory is still 748.7MB. Free memory was 525.0MB in the beginning and 519.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 16:09:14,109 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory was 102.8MB in the beginning and 102.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.93ms. Allocated memory is still 140.5MB. Free memory was 85.5MB in the beginning and 109.7MB in the end (delta: -24.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.55ms. Allocated memory was 140.5MB in the beginning and 207.6MB in the end (delta: 67.1MB). Free memory was 109.7MB in the beginning and 177.2MB in the end (delta: -67.5MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.20ms. Allocated memory is still 207.6MB. Free memory was 177.2MB in the beginning and 173.0MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 846.43ms. Allocated memory is still 207.6MB. Free memory was 171.9MB in the beginning and 101.7MB in the end (delta: 70.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * TraceAbstraction took 26115.81ms. Allocated memory was 207.6MB in the beginning and 748.7MB in the end (delta: 541.1MB). Free memory was 100.6MB in the beginning and 525.0MB in the end (delta: -424.4MB). Peak memory consumption was 115.6MB. Max. memory is 16.1GB. * Witness Printer took 93.46ms. Allocated memory is still 748.7MB. Free memory was 525.0MB in the beginning and 519.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 26.0s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 957 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 908 mSDsluCounter, 452 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 401 mSDsCounter, 256 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3918 IncrementalHoareTripleChecker+Invalid, 4174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 256 mSolverCounterUnsat, 51 mSDtfsCounter, 3918 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1310occurred in iteration=13, InterpolantAutomatonStates: 195, 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, 15.0s InterpolantComputationTime, 411 NumberOfCodeBlocks, 411 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 391 ConstructedInterpolants, 0 QuantifiedInterpolants, 4527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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! [2024-11-12 16:09:14,143 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