./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-11 19:36:34,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 19:36:34,273 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-11 19:36:34,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 19:36:34,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 19:36:34,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 19:36:34,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 19:36:34,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 19:36:34,306 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 19:36:34,307 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 19:36:34,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 19:36:34,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 19:36:34,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 19:36:34,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 19:36:34,309 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 19:36:34,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 19:36:34,311 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 19:36:34,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 19:36:34,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 19:36:34,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 19:36:34,312 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-11 19:36:34,315 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-11 19:36:34,316 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-11 19:36:34,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 19:36:34,316 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 19:36:34,317 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 19:36:34,317 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 19:36:34,317 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 19:36:34,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 19:36:34,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 19:36:34,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 19:36:34,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 19:36:34,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 19:36:34,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:36:34,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 19:36:34,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 19:36:34,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 19:36:34,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 19:36:34,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 19:36:34,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 19:36:34,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 19:36:34,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 19:36:34,322 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa [2024-10-11 19:36:34,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 19:36:34,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 19:36:34,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 19:36:34,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 19:36:34,610 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 19:36:34,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-10-11 19:36:36,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 19:36:36,306 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 19:36:36,307 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 [2024-10-11 19:36:36,327 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/71443a768/f9aed04519074324b03b8fe3a7a89716/FLAGf42d3a43a [2024-10-11 19:36:36,342 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/71443a768/f9aed04519074324b03b8fe3a7a89716 [2024-10-11 19:36:36,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 19:36:36,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 19:36:36,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 19:36:36,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 19:36:36,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 19:36:36,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:36:36" (1/1) ... [2024-10-11 19:36:36,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b297c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:36, skipping insertion in model container [2024-10-11 19:36:36,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:36:36" (1/1) ... [2024-10-11 19:36:36,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 19:36:36,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:36:36,930 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 19:36:37,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:36:37,057 INFO L204 MainTranslator]: Completed translation [2024-10-11 19:36:37,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37 WrapperNode [2024-10-11 19:36:37,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 19:36:37,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 19:36:37,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 19:36:37,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 19:36:37,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (1/1) ... [2024-10-11 19:36:37,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (1/1) ... [2024-10-11 19:36:37,111 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 153 [2024-10-11 19:36:37,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 19:36:37,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 19:36:37,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 19:36:37,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 19:36:37,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (1/1) ... [2024-10-11 19:36:37,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (1/1) ... [2024-10-11 19:36:37,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (1/1) ... [2024-10-11 19:36:37,149 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]. [2024-10-11 19:36:37,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (1/1) ... [2024-10-11 19:36:37,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (1/1) ... [2024-10-11 19:36:37,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (1/1) ... [2024-10-11 19:36:37,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (1/1) ... [2024-10-11 19:36:37,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (1/1) ... [2024-10-11 19:36:37,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (1/1) ... [2024-10-11 19:36:37,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 19:36:37,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 19:36:37,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 19:36:37,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 19:36:37,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (1/1) ... [2024-10-11 19:36:37,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:36:37,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 19:36:37,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 19:36:37,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 19:36:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 19:36:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 19:36:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-11 19:36:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-11 19:36:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-11 19:36:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-11 19:36:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 19:36:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 19:36:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 19:36:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 19:36:37,273 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 19:36:37,431 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 19:36:37,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 19:36:37,811 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 19:36:37,811 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 19:36:38,083 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 19:36:38,083 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 19:36:38,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:36:38 BoogieIcfgContainer [2024-10-11 19:36:38,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 19:36:38,088 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 19:36:38,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 19:36:38,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 19:36:38,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:36:36" (1/3) ... [2024-10-11 19:36:38,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43673a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:36:38, skipping insertion in model container [2024-10-11 19:36:38,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:36:37" (2/3) ... [2024-10-11 19:36:38,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43673a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:36:38, skipping insertion in model container [2024-10-11 19:36:38,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:36:38" (3/3) ... [2024-10-11 19:36:38,097 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-10-11 19:36:38,113 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 19:36:38,114 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-11 19:36:38,114 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 19:36:38,175 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 19:36:38,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 38 transitions, 84 flow [2024-10-11 19:36:38,263 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-10-11 19:36:38,264 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:36:38,267 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. [2024-10-11 19:36:38,267 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 38 transitions, 84 flow [2024-10-11 19:36:38,272 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 36 transitions, 78 flow [2024-10-11 19:36:38,280 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 19:36:38,287 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;@6bd967b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 19:36:38,287 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-11 19:36:38,296 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 19:36:38,298 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-10-11 19:36:38,298 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:36:38,299 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:38,299 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 19:36:38,300 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:38,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:38,304 INFO L85 PathProgramCache]: Analyzing trace with hash 32036394, now seen corresponding path program 1 times [2024-10-11 19:36:38,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:38,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114153951] [2024-10-11 19:36:38,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:38,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:38,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:38,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:38,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114153951] [2024-10-11 19:36:38,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114153951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:38,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:38,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:36:38,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679986993] [2024-10-11 19:36:38,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:38,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:36:38,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:38,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:36:38,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:36:38,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 38 [2024-10-11 19:36:38,828 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) [2024-10-11 19:36:38,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:38,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 38 [2024-10-11 19:36:38,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:39,207 INFO L124 PetriNetUnfolderBase]: 344/746 cut-off events. [2024-10-11 19:36:39,208 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 19:36:39,212 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. [2024-10-11 19:36:39,218 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 28 selfloop transitions, 2 changer transitions 2/44 dead transitions. [2024-10-11 19:36:39,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 44 transitions, 158 flow [2024-10-11 19:36:39,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:36:39,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:36:39,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2024-10-11 19:36:39,232 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6929824561403509 [2024-10-11 19:36:39,233 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 78 flow. Second operand 3 states and 79 transitions. [2024-10-11 19:36:39,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 44 transitions, 158 flow [2024-10-11 19:36:39,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 19:36:39,239 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 70 flow [2024-10-11 19:36:39,241 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2024-10-11 19:36:39,246 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -2 predicate places. [2024-10-11 19:36:39,246 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 70 flow [2024-10-11 19:36:39,247 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) [2024-10-11 19:36:39,247 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:39,247 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:39,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 19:36:39,247 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:39,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:39,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1946830375, now seen corresponding path program 1 times [2024-10-11 19:36:39,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:39,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116064744] [2024-10-11 19:36:39,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:39,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:39,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:39,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116064744] [2024-10-11 19:36:39,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116064744] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:39,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:39,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:36:39,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961454122] [2024-10-11 19:36:39,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:39,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:36:39,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:39,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:36:39,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:36:39,335 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-10-11 19:36:39,335 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) [2024-10-11 19:36:39,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:39,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-10-11 19:36:39,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:39,512 INFO L124 PetriNetUnfolderBase]: 304/640 cut-off events. [2024-10-11 19:36:39,512 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-10-11 19:36:39,514 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. [2024-10-11 19:36:39,519 INFO L140 encePairwiseOnDemand]: 36/38 looper letters, 17 selfloop transitions, 1 changer transitions 1/30 dead transitions. [2024-10-11 19:36:39,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 106 flow [2024-10-11 19:36:39,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:36:39,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:36:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2024-10-11 19:36:39,522 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5175438596491229 [2024-10-11 19:36:39,522 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 70 flow. Second operand 3 states and 59 transitions. [2024-10-11 19:36:39,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 106 flow [2024-10-11 19:36:39,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 19:36:39,524 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 64 flow [2024-10-11 19:36:39,525 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2024-10-11 19:36:39,526 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places. [2024-10-11 19:36:39,526 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 64 flow [2024-10-11 19:36:39,526 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) [2024-10-11 19:36:39,526 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:39,526 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:39,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 19:36:39,526 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:39,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:39,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1946830389, now seen corresponding path program 1 times [2024-10-11 19:36:39,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:39,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778973805] [2024-10-11 19:36:39,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:39,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:39,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:39,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:39,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778973805] [2024-10-11 19:36:39,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778973805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:39,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:39,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 19:36:39,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44314329] [2024-10-11 19:36:39,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:39,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:36:39,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:39,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:36:39,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:36:39,907 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-11 19:36:39,907 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) [2024-10-11 19:36:39,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:39,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-11 19:36:39,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:40,320 INFO L124 PetriNetUnfolderBase]: 426/820 cut-off events. [2024-10-11 19:36:40,321 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:36:40,322 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. [2024-10-11 19:36:40,325 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 24 selfloop transitions, 2 changer transitions 39/74 dead transitions. [2024-10-11 19:36:40,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 74 transitions, 284 flow [2024-10-11 19:36:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 19:36:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-11 19:36:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 163 transitions. [2024-10-11 19:36:40,327 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5361842105263158 [2024-10-11 19:36:40,328 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 64 flow. Second operand 8 states and 163 transitions. [2024-10-11 19:36:40,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 74 transitions, 284 flow [2024-10-11 19:36:40,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 74 transitions, 283 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 19:36:40,330 INFO L231 Difference]: Finished difference. Result has 47 places, 28 transitions, 77 flow [2024-10-11 19:36:40,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=77, PETRI_PLACES=47, PETRI_TRANSITIONS=28} [2024-10-11 19:36:40,331 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 6 predicate places. [2024-10-11 19:36:40,331 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 28 transitions, 77 flow [2024-10-11 19:36:40,331 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) [2024-10-11 19:36:40,332 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:40,332 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:40,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 19:36:40,332 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:40,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:40,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1274561474, now seen corresponding path program 1 times [2024-10-11 19:36:40,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:40,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092537367] [2024-10-11 19:36:40,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:40,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:40,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:40,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:40,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092537367] [2024-10-11 19:36:40,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092537367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:40,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:40,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 19:36:40,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650520531] [2024-10-11 19:36:40,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:40,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 19:36:40,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:40,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 19:36:40,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 19:36:40,665 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-10-11 19:36:40,665 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) [2024-10-11 19:36:40,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:40,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-10-11 19:36:40,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:40,952 INFO L124 PetriNetUnfolderBase]: 245/508 cut-off events. [2024-10-11 19:36:40,953 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-10-11 19:36:40,954 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. [2024-10-11 19:36:40,956 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 25 selfloop transitions, 2 changer transitions 23/60 dead transitions. [2024-10-11 19:36:40,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 60 transitions, 253 flow [2024-10-11 19:36:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 19:36:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-11 19:36:40,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 143 transitions. [2024-10-11 19:36:40,958 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5375939849624061 [2024-10-11 19:36:40,958 INFO L175 Difference]: Start difference. First operand has 47 places, 28 transitions, 77 flow. Second operand 7 states and 143 transitions. [2024-10-11 19:36:40,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 60 transitions, 253 flow [2024-10-11 19:36:40,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 60 transitions, 233 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-10-11 19:36:40,962 INFO L231 Difference]: Finished difference. Result has 46 places, 28 transitions, 81 flow [2024-10-11 19:36:40,962 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=81, PETRI_PLACES=46, PETRI_TRANSITIONS=28} [2024-10-11 19:36:40,963 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 5 predicate places. [2024-10-11 19:36:40,963 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 28 transitions, 81 flow [2024-10-11 19:36:40,963 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) [2024-10-11 19:36:40,963 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:40,963 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:40,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 19:36:40,964 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:40,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:40,964 INFO L85 PathProgramCache]: Analyzing trace with hash 696225836, now seen corresponding path program 1 times [2024-10-11 19:36:40,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:40,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993381520] [2024-10-11 19:36:40,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:40,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:42,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:42,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993381520] [2024-10-11 19:36:42,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993381520] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:42,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:42,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 19:36:42,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548770045] [2024-10-11 19:36:42,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:42,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 19:36:42,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:42,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 19:36:42,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 19:36:42,402 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-11 19:36:42,404 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) [2024-10-11 19:36:42,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:42,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-11 19:36:42,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:42,925 INFO L124 PetriNetUnfolderBase]: 309/652 cut-off events. [2024-10-11 19:36:42,926 INFO L125 PetriNetUnfolderBase]: For 140/141 co-relation queries the response was YES. [2024-10-11 19:36:42,928 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. [2024-10-11 19:36:42,931 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 27 selfloop transitions, 8 changer transitions 21/65 dead transitions. [2024-10-11 19:36:42,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 65 transitions, 282 flow [2024-10-11 19:36:42,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 19:36:42,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-11 19:36:42,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 166 transitions. [2024-10-11 19:36:42,933 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4853801169590643 [2024-10-11 19:36:42,933 INFO L175 Difference]: Start difference. First operand has 46 places, 28 transitions, 81 flow. Second operand 9 states and 166 transitions. [2024-10-11 19:36:42,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 65 transitions, 282 flow [2024-10-11 19:36:42,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 65 transitions, 260 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-10-11 19:36:42,936 INFO L231 Difference]: Finished difference. Result has 50 places, 34 transitions, 145 flow [2024-10-11 19:36:42,937 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=145, PETRI_PLACES=50, PETRI_TRANSITIONS=34} [2024-10-11 19:36:42,937 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 9 predicate places. [2024-10-11 19:36:42,938 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 34 transitions, 145 flow [2024-10-11 19:36:42,938 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) [2024-10-11 19:36:42,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:42,938 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:42,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 19:36:42,939 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:42,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:42,939 INFO L85 PathProgramCache]: Analyzing trace with hash 2104934610, now seen corresponding path program 2 times [2024-10-11 19:36:42,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:42,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461594346] [2024-10-11 19:36:42,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:42,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:44,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:44,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:44,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461594346] [2024-10-11 19:36:44,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461594346] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:44,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:44,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 19:36:44,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066382419] [2024-10-11 19:36:44,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:44,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 19:36:44,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:44,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 19:36:44,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 19:36:44,167 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-10-11 19:36:44,168 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) [2024-10-11 19:36:44,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:44,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-10-11 19:36:44,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:45,004 INFO L124 PetriNetUnfolderBase]: 487/916 cut-off events. [2024-10-11 19:36:45,005 INFO L125 PetriNetUnfolderBase]: For 1050/1102 co-relation queries the response was YES. [2024-10-11 19:36:45,007 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. [2024-10-11 19:36:45,012 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 55 selfloop transitions, 21 changer transitions 31/114 dead transitions. [2024-10-11 19:36:45,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 114 transitions, 704 flow [2024-10-11 19:36:45,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 19:36:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-11 19:36:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 255 transitions. [2024-10-11 19:36:45,015 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4473684210526316 [2024-10-11 19:36:45,015 INFO L175 Difference]: Start difference. First operand has 50 places, 34 transitions, 145 flow. Second operand 15 states and 255 transitions. [2024-10-11 19:36:45,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 114 transitions, 704 flow [2024-10-11 19:36:45,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 114 transitions, 687 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-10-11 19:36:45,024 INFO L231 Difference]: Finished difference. Result has 66 places, 52 transitions, 342 flow [2024-10-11 19:36:45,024 INFO L260 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} [2024-10-11 19:36:45,026 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 25 predicate places. [2024-10-11 19:36:45,027 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 52 transitions, 342 flow [2024-10-11 19:36:45,027 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) [2024-10-11 19:36:45,027 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:45,028 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:45,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 19:36:45,028 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:45,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:45,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1577024779, now seen corresponding path program 1 times [2024-10-11 19:36:45,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:45,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326311681] [2024-10-11 19:36:45,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:45,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:45,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:45,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326311681] [2024-10-11 19:36:45,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326311681] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:45,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:45,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 19:36:45,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667706643] [2024-10-11 19:36:45,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:45,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 19:36:45,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:45,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 19:36:45,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 19:36:45,900 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-10-11 19:36:45,901 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) [2024-10-11 19:36:45,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:45,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-10-11 19:36:45,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:46,888 INFO L124 PetriNetUnfolderBase]: 569/1011 cut-off events. [2024-10-11 19:36:46,889 INFO L125 PetriNetUnfolderBase]: For 2633/2667 co-relation queries the response was YES. [2024-10-11 19:36:46,893 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. [2024-10-11 19:36:46,898 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 66 selfloop transitions, 34 changer transitions 36/145 dead transitions. [2024-10-11 19:36:46,898 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 145 transitions, 1180 flow [2024-10-11 19:36:46,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 19:36:46,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-11 19:36:46,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 259 transitions. [2024-10-11 19:36:46,901 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4543859649122807 [2024-10-11 19:36:46,901 INFO L175 Difference]: Start difference. First operand has 66 places, 52 transitions, 342 flow. Second operand 15 states and 259 transitions. [2024-10-11 19:36:46,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 145 transitions, 1180 flow [2024-10-11 19:36:46,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 145 transitions, 1038 flow, removed 58 selfloop flow, removed 7 redundant places. [2024-10-11 19:36:46,914 INFO L231 Difference]: Finished difference. Result has 80 places, 79 transitions, 636 flow [2024-10-11 19:36:46,915 INFO L260 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} [2024-10-11 19:36:46,916 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 39 predicate places. [2024-10-11 19:36:46,916 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 79 transitions, 636 flow [2024-10-11 19:36:46,916 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) [2024-10-11 19:36:46,916 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:46,916 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:46,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 19:36:46,917 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:46,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:46,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1487003437, now seen corresponding path program 1 times [2024-10-11 19:36:46,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:46,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108271614] [2024-10-11 19:36:46,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:46,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:47,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:47,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:47,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108271614] [2024-10-11 19:36:47,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108271614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:47,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:47,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 19:36:47,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661657280] [2024-10-11 19:36:47,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:47,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 19:36:47,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:47,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 19:36:47,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 19:36:47,652 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-10-11 19:36:47,653 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) [2024-10-11 19:36:47,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:47,653 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-10-11 19:36:47,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:48,108 INFO L124 PetriNetUnfolderBase]: 581/1077 cut-off events. [2024-10-11 19:36:48,108 INFO L125 PetriNetUnfolderBase]: For 5435/5533 co-relation queries the response was YES. [2024-10-11 19:36:48,113 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. [2024-10-11 19:36:48,120 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 100 selfloop transitions, 8 changer transitions 2/116 dead transitions. [2024-10-11 19:36:48,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 116 transitions, 1156 flow [2024-10-11 19:36:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 19:36:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 19:36:48,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 96 transitions. [2024-10-11 19:36:48,122 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5052631578947369 [2024-10-11 19:36:48,123 INFO L175 Difference]: Start difference. First operand has 80 places, 79 transitions, 636 flow. Second operand 5 states and 96 transitions. [2024-10-11 19:36:48,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 116 transitions, 1156 flow [2024-10-11 19:36:48,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 116 transitions, 1053 flow, removed 50 selfloop flow, removed 7 redundant places. [2024-10-11 19:36:48,141 INFO L231 Difference]: Finished difference. Result has 72 places, 73 transitions, 559 flow [2024-10-11 19:36:48,142 INFO L260 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} [2024-10-11 19:36:48,142 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 31 predicate places. [2024-10-11 19:36:48,143 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 73 transitions, 559 flow [2024-10-11 19:36:48,144 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) [2024-10-11 19:36:48,144 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:48,144 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:48,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 19:36:48,144 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:48,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:48,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1387541963, now seen corresponding path program 2 times [2024-10-11 19:36:48,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:48,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426155149] [2024-10-11 19:36:48,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:48,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:48,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:48,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426155149] [2024-10-11 19:36:48,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426155149] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:48,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:48,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 19:36:48,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112134871] [2024-10-11 19:36:48,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:48,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 19:36:48,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:48,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 19:36:48,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 19:36:48,844 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-11 19:36:48,845 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) [2024-10-11 19:36:48,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:48,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-11 19:36:48,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:49,366 INFO L124 PetriNetUnfolderBase]: 443/913 cut-off events. [2024-10-11 19:36:49,366 INFO L125 PetriNetUnfolderBase]: For 3015/3071 co-relation queries the response was YES. [2024-10-11 19:36:49,370 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. [2024-10-11 19:36:49,376 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 67 selfloop transitions, 38 changer transitions 14/133 dead transitions. [2024-10-11 19:36:49,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 133 transitions, 1184 flow [2024-10-11 19:36:49,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 19:36:49,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-11 19:36:49,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 225 transitions. [2024-10-11 19:36:49,378 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4934210526315789 [2024-10-11 19:36:49,378 INFO L175 Difference]: Start difference. First operand has 72 places, 73 transitions, 559 flow. Second operand 12 states and 225 transitions. [2024-10-11 19:36:49,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 133 transitions, 1184 flow [2024-10-11 19:36:49,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 133 transitions, 1121 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-10-11 19:36:49,389 INFO L231 Difference]: Finished difference. Result has 84 places, 92 transitions, 840 flow [2024-10-11 19:36:49,389 INFO L260 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} [2024-10-11 19:36:49,390 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 43 predicate places. [2024-10-11 19:36:49,390 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 92 transitions, 840 flow [2024-10-11 19:36:49,391 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) [2024-10-11 19:36:49,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:49,391 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:49,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 19:36:49,391 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:49,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:49,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1688336125, now seen corresponding path program 2 times [2024-10-11 19:36:49,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:49,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801862578] [2024-10-11 19:36:49,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:49,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:51,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:51,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801862578] [2024-10-11 19:36:51,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801862578] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:51,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:51,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 19:36:51,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515633267] [2024-10-11 19:36:51,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:51,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 19:36:51,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:51,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 19:36:51,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-11 19:36:51,245 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-11 19:36:51,245 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) [2024-10-11 19:36:51,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:51,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-11 19:36:51,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:51,877 INFO L124 PetriNetUnfolderBase]: 401/828 cut-off events. [2024-10-11 19:36:51,878 INFO L125 PetriNetUnfolderBase]: For 2929/2989 co-relation queries the response was YES. [2024-10-11 19:36:51,882 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. [2024-10-11 19:36:51,887 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 74 selfloop transitions, 26 changer transitions 13/127 dead transitions. [2024-10-11 19:36:51,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 127 transitions, 1283 flow [2024-10-11 19:36:51,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 19:36:51,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-11 19:36:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 180 transitions. [2024-10-11 19:36:51,889 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2024-10-11 19:36:51,889 INFO L175 Difference]: Start difference. First operand has 84 places, 92 transitions, 840 flow. Second operand 10 states and 180 transitions. [2024-10-11 19:36:51,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 127 transitions, 1283 flow [2024-10-11 19:36:51,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 127 transitions, 1256 flow, removed 12 selfloop flow, removed 3 redundant places. [2024-10-11 19:36:51,904 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 957 flow [2024-10-11 19:36:51,905 INFO L260 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} [2024-10-11 19:36:51,907 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 52 predicate places. [2024-10-11 19:36:51,907 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 957 flow [2024-10-11 19:36:51,907 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) [2024-10-11 19:36:51,907 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:51,907 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:51,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 19:36:51,908 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:51,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:51,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1604395185, now seen corresponding path program 3 times [2024-10-11 19:36:51,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:51,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517557612] [2024-10-11 19:36:51,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:51,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:52,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:52,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517557612] [2024-10-11 19:36:52,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517557612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:52,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:52,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 19:36:52,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302258689] [2024-10-11 19:36:52,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:52,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 19:36:52,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:52,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 19:36:52,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-11 19:36:52,838 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-11 19:36:52,838 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) [2024-10-11 19:36:52,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:52,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-11 19:36:52,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:53,586 INFO L124 PetriNetUnfolderBase]: 478/969 cut-off events. [2024-10-11 19:36:53,587 INFO L125 PetriNetUnfolderBase]: For 4695/4747 co-relation queries the response was YES. [2024-10-11 19:36:53,593 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. [2024-10-11 19:36:53,599 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 67 selfloop transitions, 50 changer transitions 32/161 dead transitions. [2024-10-11 19:36:53,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 161 transitions, 1672 flow [2024-10-11 19:36:53,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 19:36:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-11 19:36:53,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 261 transitions. [2024-10-11 19:36:53,601 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4906015037593985 [2024-10-11 19:36:53,601 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 957 flow. Second operand 14 states and 261 transitions. [2024-10-11 19:36:53,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 161 transitions, 1672 flow [2024-10-11 19:36:53,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 161 transitions, 1605 flow, removed 17 selfloop flow, removed 7 redundant places. [2024-10-11 19:36:53,620 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 1139 flow [2024-10-11 19:36:53,622 INFO L260 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} [2024-10-11 19:36:53,622 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 61 predicate places. [2024-10-11 19:36:53,622 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 1139 flow [2024-10-11 19:36:53,623 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) [2024-10-11 19:36:53,623 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:53,623 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:53,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 19:36:53,625 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:53,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:53,627 INFO L85 PathProgramCache]: Analyzing trace with hash -756022767, now seen corresponding path program 4 times [2024-10-11 19:36:53,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:53,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984267298] [2024-10-11 19:36:53,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:53,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:54,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:54,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984267298] [2024-10-11 19:36:54,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984267298] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:54,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:54,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 19:36:54,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202017287] [2024-10-11 19:36:54,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:54,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 19:36:54,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:54,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 19:36:54,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 19:36:54,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-11 19:36:54,302 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) [2024-10-11 19:36:54,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:54,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-11 19:36:54,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:54,918 INFO L124 PetriNetUnfolderBase]: 441/907 cut-off events. [2024-10-11 19:36:54,918 INFO L125 PetriNetUnfolderBase]: For 5683/5721 co-relation queries the response was YES. [2024-10-11 19:36:54,923 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. [2024-10-11 19:36:54,928 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 72 selfloop transitions, 33 changer transitions 18/135 dead transitions. [2024-10-11 19:36:54,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 135 transitions, 1641 flow [2024-10-11 19:36:54,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 19:36:54,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-11 19:36:54,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 168 transitions. [2024-10-11 19:36:54,931 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49122807017543857 [2024-10-11 19:36:54,932 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 1139 flow. Second operand 9 states and 168 transitions. [2024-10-11 19:36:54,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 135 transitions, 1641 flow [2024-10-11 19:36:54,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 135 transitions, 1559 flow, removed 16 selfloop flow, removed 12 redundant places. [2024-10-11 19:36:54,953 INFO L231 Difference]: Finished difference. Result has 100 places, 105 transitions, 1232 flow [2024-10-11 19:36:54,953 INFO L260 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} [2024-10-11 19:36:54,953 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 59 predicate places. [2024-10-11 19:36:54,953 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 105 transitions, 1232 flow [2024-10-11 19:36:54,954 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) [2024-10-11 19:36:54,954 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:54,954 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:54,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 19:36:54,954 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:54,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1283050463, now seen corresponding path program 5 times [2024-10-11 19:36:54,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:54,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123011903] [2024-10-11 19:36:54,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:54,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:56,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:56,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:56,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123011903] [2024-10-11 19:36:56,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123011903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:56,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:56,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 19:36:56,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073999635] [2024-10-11 19:36:56,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:56,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 19:36:56,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:56,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 19:36:56,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 19:36:56,086 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-11 19:36:56,087 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) [2024-10-11 19:36:56,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:56,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-11 19:36:56,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:56,722 INFO L124 PetriNetUnfolderBase]: 364/770 cut-off events. [2024-10-11 19:36:56,723 INFO L125 PetriNetUnfolderBase]: For 4905/4943 co-relation queries the response was YES. [2024-10-11 19:36:56,728 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. [2024-10-11 19:36:56,734 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 80 selfloop transitions, 28 changer transitions 15/135 dead transitions. [2024-10-11 19:36:56,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 135 transitions, 1714 flow [2024-10-11 19:36:56,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 19:36:56,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-11 19:36:56,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 194 transitions. [2024-10-11 19:36:56,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46411483253588515 [2024-10-11 19:36:56,736 INFO L175 Difference]: Start difference. First operand has 100 places, 105 transitions, 1232 flow. Second operand 11 states and 194 transitions. [2024-10-11 19:36:56,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 135 transitions, 1714 flow [2024-10-11 19:36:56,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 135 transitions, 1641 flow, removed 22 selfloop flow, removed 6 redundant places. [2024-10-11 19:36:56,755 INFO L231 Difference]: Finished difference. Result has 108 places, 108 transitions, 1310 flow [2024-10-11 19:36:56,755 INFO L260 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} [2024-10-11 19:36:56,756 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 67 predicate places. [2024-10-11 19:36:56,756 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 108 transitions, 1310 flow [2024-10-11 19:36:56,756 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) [2024-10-11 19:36:56,756 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:56,757 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:56,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 19:36:56,757 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:56,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:56,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1868006713, now seen corresponding path program 3 times [2024-10-11 19:36:56,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:56,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846891888] [2024-10-11 19:36:56,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:56,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:57,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:57,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:57,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846891888] [2024-10-11 19:36:57,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846891888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:57,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:57,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 19:36:57,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29528287] [2024-10-11 19:36:57,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:57,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 19:36:57,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:57,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 19:36:57,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 19:36:57,340 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-10-11 19:36:57,340 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) [2024-10-11 19:36:57,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:57,341 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-10-11 19:36:57,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:36:57,738 INFO L124 PetriNetUnfolderBase]: 407/804 cut-off events. [2024-10-11 19:36:57,738 INFO L125 PetriNetUnfolderBase]: For 7036/7073 co-relation queries the response was YES. [2024-10-11 19:36:57,743 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. [2024-10-11 19:36:57,748 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 87 selfloop transitions, 10 changer transitions 1/104 dead transitions. [2024-10-11 19:36:57,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 104 transitions, 1354 flow [2024-10-11 19:36:57,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 19:36:57,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 19:36:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 111 transitions. [2024-10-11 19:36:57,750 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4868421052631579 [2024-10-11 19:36:57,750 INFO L175 Difference]: Start difference. First operand has 108 places, 108 transitions, 1310 flow. Second operand 6 states and 111 transitions. [2024-10-11 19:36:57,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 104 transitions, 1354 flow [2024-10-11 19:36:57,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 104 transitions, 1210 flow, removed 28 selfloop flow, removed 13 redundant places. [2024-10-11 19:36:57,769 INFO L231 Difference]: Finished difference. Result has 97 places, 72 transitions, 745 flow [2024-10-11 19:36:57,769 INFO L260 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} [2024-10-11 19:36:57,770 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 56 predicate places. [2024-10-11 19:36:57,770 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 72 transitions, 745 flow [2024-10-11 19:36:57,770 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) [2024-10-11 19:36:57,770 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:36:57,770 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:36:57,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 19:36:57,771 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:36:57,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:36:57,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2015535567, now seen corresponding path program 1 times [2024-10-11 19:36:57,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:36:57,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343512666] [2024-10-11 19:36:57,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:36:57,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:36:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:36:59,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:36:59,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:36:59,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343512666] [2024-10-11 19:36:59,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343512666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:36:59,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:36:59,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 19:36:59,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496325432] [2024-10-11 19:36:59,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:36:59,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 19:36:59,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:36:59,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 19:36:59,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-11 19:36:59,358 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-11 19:36:59,358 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) [2024-10-11 19:36:59,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:36:59,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-11 19:36:59,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:37:00,147 INFO L124 PetriNetUnfolderBase]: 285/629 cut-off events. [2024-10-11 19:37:00,147 INFO L125 PetriNetUnfolderBase]: For 4103/4128 co-relation queries the response was YES. [2024-10-11 19:37:00,153 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. [2024-10-11 19:37:00,158 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 64 selfloop transitions, 31 changer transitions 22/129 dead transitions. [2024-10-11 19:37:00,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 129 transitions, 1401 flow [2024-10-11 19:37:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 19:37:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-11 19:37:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 312 transitions. [2024-10-11 19:37:00,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45614035087719296 [2024-10-11 19:37:00,162 INFO L175 Difference]: Start difference. First operand has 97 places, 72 transitions, 745 flow. Second operand 18 states and 312 transitions. [2024-10-11 19:37:00,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 129 transitions, 1401 flow [2024-10-11 19:37:00,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 129 transitions, 1322 flow, removed 19 selfloop flow, removed 8 redundant places. [2024-10-11 19:37:00,177 INFO L231 Difference]: Finished difference. Result has 118 places, 79 transitions, 914 flow [2024-10-11 19:37:00,177 INFO L260 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} [2024-10-11 19:37:00,177 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 77 predicate places. [2024-10-11 19:37:00,178 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 79 transitions, 914 flow [2024-10-11 19:37:00,178 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) [2024-10-11 19:37:00,178 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:37:00,178 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:37:00,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 19:37:00,178 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:37:00,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:37:00,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1204006000, now seen corresponding path program 1 times [2024-10-11 19:37:00,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:37:00,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079617412] [2024-10-11 19:37:00,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:37:00,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:37:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:37:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:37:01,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:37:01,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079617412] [2024-10-11 19:37:01,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079617412] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:37:01,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:37:01,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 19:37:01,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764648920] [2024-10-11 19:37:01,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:37:01,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 19:37:01,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:37:01,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 19:37:01,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-11 19:37:01,974 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-11 19:37:01,974 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) [2024-10-11 19:37:01,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:37:01,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-11 19:37:01,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:37:02,719 INFO L124 PetriNetUnfolderBase]: 281/622 cut-off events. [2024-10-11 19:37:02,719 INFO L125 PetriNetUnfolderBase]: For 5324/5346 co-relation queries the response was YES. [2024-10-11 19:37:02,724 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. [2024-10-11 19:37:02,733 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 53 selfloop transitions, 33 changer transitions 17/115 dead transitions. [2024-10-11 19:37:02,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 115 transitions, 1386 flow [2024-10-11 19:37:02,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 19:37:02,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-11 19:37:02,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 242 transitions. [2024-10-11 19:37:02,735 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4548872180451128 [2024-10-11 19:37:02,735 INFO L175 Difference]: Start difference. First operand has 118 places, 79 transitions, 914 flow. Second operand 14 states and 242 transitions. [2024-10-11 19:37:02,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 115 transitions, 1386 flow [2024-10-11 19:37:02,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 115 transitions, 1246 flow, removed 53 selfloop flow, removed 12 redundant places. [2024-10-11 19:37:02,755 INFO L231 Difference]: Finished difference. Result has 119 places, 82 transitions, 961 flow [2024-10-11 19:37:02,756 INFO L260 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} [2024-10-11 19:37:02,757 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 78 predicate places. [2024-10-11 19:37:02,757 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 82 transitions, 961 flow [2024-10-11 19:37:02,757 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) [2024-10-11 19:37:02,757 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:37:02,758 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:37:02,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 19:37:02,758 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:37:02,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:37:02,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1149869666, now seen corresponding path program 1 times [2024-10-11 19:37:02,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:37:02,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836318733] [2024-10-11 19:37:02,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:37:02,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:37:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:37:03,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:37:03,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:37:03,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836318733] [2024-10-11 19:37:03,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836318733] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:37:03,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:37:03,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 19:37:03,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867178337] [2024-10-11 19:37:03,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:37:03,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 19:37:03,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:37:03,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 19:37:03,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 19:37:03,103 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-10-11 19:37:03,103 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) [2024-10-11 19:37:03,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:37:03,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-10-11 19:37:03,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:37:03,378 INFO L124 PetriNetUnfolderBase]: 322/718 cut-off events. [2024-10-11 19:37:03,379 INFO L125 PetriNetUnfolderBase]: For 6796/6815 co-relation queries the response was YES. [2024-10-11 19:37:03,383 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. [2024-10-11 19:37:03,386 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 38 selfloop transitions, 8 changer transitions 47/106 dead transitions. [2024-10-11 19:37:03,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 106 transitions, 1383 flow [2024-10-11 19:37:03,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 19:37:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 19:37:03,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 122 transitions. [2024-10-11 19:37:03,388 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5350877192982456 [2024-10-11 19:37:03,388 INFO L175 Difference]: Start difference. First operand has 119 places, 82 transitions, 961 flow. Second operand 6 states and 122 transitions. [2024-10-11 19:37:03,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 106 transitions, 1383 flow [2024-10-11 19:37:03,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 106 transitions, 1258 flow, removed 42 selfloop flow, removed 10 redundant places. [2024-10-11 19:37:03,408 INFO L231 Difference]: Finished difference. Result has 111 places, 58 transitions, 575 flow [2024-10-11 19:37:03,408 INFO L260 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} [2024-10-11 19:37:03,409 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 70 predicate places. [2024-10-11 19:37:03,409 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 58 transitions, 575 flow [2024-10-11 19:37:03,409 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) [2024-10-11 19:37:03,409 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:37:03,409 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:37:03,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 19:37:03,410 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:37:03,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:37:03,410 INFO L85 PathProgramCache]: Analyzing trace with hash -213679276, now seen corresponding path program 2 times [2024-10-11 19:37:03,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:37:03,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629668447] [2024-10-11 19:37:03,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:37:03,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:37:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:37:03,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:37:03,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:37:03,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629668447] [2024-10-11 19:37:03,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629668447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:37:03,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:37:03,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 19:37:03,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066186738] [2024-10-11 19:37:03,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:37:03,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 19:37:03,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:37:03,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 19:37:03,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-11 19:37:03,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-11 19:37:03,945 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) [2024-10-11 19:37:03,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:37:03,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-11 19:37:03,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:37:04,289 INFO L124 PetriNetUnfolderBase]: 268/607 cut-off events. [2024-10-11 19:37:04,289 INFO L125 PetriNetUnfolderBase]: For 4519/4533 co-relation queries the response was YES. [2024-10-11 19:37:04,293 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. [2024-10-11 19:37:04,296 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 48 selfloop transitions, 7 changer transitions 28/94 dead transitions. [2024-10-11 19:37:04,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 94 transitions, 1055 flow [2024-10-11 19:37:04,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 19:37:04,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-11 19:37:04,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 144 transitions. [2024-10-11 19:37:04,298 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2024-10-11 19:37:04,299 INFO L175 Difference]: Start difference. First operand has 111 places, 58 transitions, 575 flow. Second operand 8 states and 144 transitions. [2024-10-11 19:37:04,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 94 transitions, 1055 flow [2024-10-11 19:37:04,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 94 transitions, 918 flow, removed 31 selfloop flow, removed 16 redundant places. [2024-10-11 19:37:04,313 INFO L231 Difference]: Finished difference. Result has 99 places, 58 transitions, 505 flow [2024-10-11 19:37:04,313 INFO L260 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} [2024-10-11 19:37:04,314 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 58 predicate places. [2024-10-11 19:37:04,314 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 58 transitions, 505 flow [2024-10-11 19:37:04,314 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) [2024-10-11 19:37:04,314 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:37:04,315 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:37:04,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 19:37:04,315 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:37:04,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:37:04,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1221672098, now seen corresponding path program 3 times [2024-10-11 19:37:04,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:37:04,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676265043] [2024-10-11 19:37:04,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:37:04,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:37:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:37:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:37:05,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:37:05,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676265043] [2024-10-11 19:37:05,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676265043] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:37:05,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:37:05,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 19:37:05,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990140457] [2024-10-11 19:37:05,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:37:05,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 19:37:05,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:37:05,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 19:37:05,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-11 19:37:05,287 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-11 19:37:05,288 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) [2024-10-11 19:37:05,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:37:05,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-11 19:37:05,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:37:05,875 INFO L124 PetriNetUnfolderBase]: 172/412 cut-off events. [2024-10-11 19:37:05,875 INFO L125 PetriNetUnfolderBase]: For 2207/2211 co-relation queries the response was YES. [2024-10-11 19:37:05,877 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. [2024-10-11 19:37:05,878 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 34 selfloop transitions, 15 changer transitions 31/89 dead transitions. [2024-10-11 19:37:05,878 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 89 transitions, 830 flow [2024-10-11 19:37:05,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 19:37:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-10-11 19:37:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 218 transitions. [2024-10-11 19:37:05,880 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44129554655870445 [2024-10-11 19:37:05,880 INFO L175 Difference]: Start difference. First operand has 99 places, 58 transitions, 505 flow. Second operand 13 states and 218 transitions. [2024-10-11 19:37:05,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 89 transitions, 830 flow [2024-10-11 19:37:05,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 89 transitions, 801 flow, removed 11 selfloop flow, removed 5 redundant places. [2024-10-11 19:37:05,889 INFO L231 Difference]: Finished difference. Result has 106 places, 43 transitions, 386 flow [2024-10-11 19:37:05,890 INFO L260 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} [2024-10-11 19:37:05,890 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 65 predicate places. [2024-10-11 19:37:05,890 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 43 transitions, 386 flow [2024-10-11 19:37:05,891 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) [2024-10-11 19:37:05,891 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:37:05,891 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:37:05,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 19:37:05,891 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-11 19:37:05,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:37:05,892 INFO L85 PathProgramCache]: Analyzing trace with hash -536910176, now seen corresponding path program 1 times [2024-10-11 19:37:05,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 19:37:05,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770769602] [2024-10-11 19:37:05,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:37:05,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 19:37:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:37:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:37:06,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 19:37:06,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770769602] [2024-10-11 19:37:06,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770769602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:37:06,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:37:06,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 19:37:06,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388830244] [2024-10-11 19:37:06,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:37:06,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 19:37:06,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 19:37:06,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 19:37:06,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 19:37:06,917 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-11 19:37:06,917 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) [2024-10-11 19:37:06,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:37:06,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-11 19:37:06,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:37:07,177 INFO L124 PetriNetUnfolderBase]: 53/168 cut-off events. [2024-10-11 19:37:07,177 INFO L125 PetriNetUnfolderBase]: For 648/648 co-relation queries the response was YES. [2024-10-11 19:37:07,178 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. [2024-10-11 19:37:07,178 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2024-10-11 19:37:07,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 50 transitions, 482 flow [2024-10-11 19:37:07,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 19:37:07,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-11 19:37:07,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 141 transitions. [2024-10-11 19:37:07,179 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41228070175438597 [2024-10-11 19:37:07,179 INFO L175 Difference]: Start difference. First operand has 106 places, 43 transitions, 386 flow. Second operand 9 states and 141 transitions. [2024-10-11 19:37:07,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 50 transitions, 482 flow [2024-10-11 19:37:07,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 50 transitions, 327 flow, removed 26 selfloop flow, removed 28 redundant places. [2024-10-11 19:37:07,182 INFO L231 Difference]: Finished difference. Result has 76 places, 0 transitions, 0 flow [2024-10-11 19:37:07,182 INFO L260 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} [2024-10-11 19:37:07,183 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 35 predicate places. [2024-10-11 19:37:07,183 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 0 transitions, 0 flow [2024-10-11 19:37:07,183 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) [2024-10-11 19:37:07,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-10-11 19:37:07,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-10-11 19:37:07,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-10-11 19:37:07,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-10-11 19:37:07,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-10-11 19:37:07,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-10-11 19:37:07,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 19:37:07,187 INFO L407 BasicCegarLoop]: Path program histogram: [5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 19:37:07,193 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 19:37:07,193 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 19:37:07,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:37:07 BasicIcfg [2024-10-11 19:37:07,198 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 19:37:07,199 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 19:37:07,199 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 19:37:07,199 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 19:37:07,200 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:36:38" (3/4) ... [2024-10-11 19:37:07,201 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 19:37:07,204 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-11 19:37:07,204 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-11 19:37:07,211 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2024-10-11 19:37:07,212 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-11 19:37:07,212 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 19:37:07,212 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 19:37:07,310 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 19:37:07,313 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 19:37:07,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 19:37:07,314 INFO L158 Benchmark]: Toolchain (without parser) took 30967.86ms. Allocated memory was 195.0MB in the beginning and 752.9MB in the end (delta: 557.8MB). Free memory was 126.2MB in the beginning and 288.9MB in the end (delta: -162.7MB). Peak memory consumption was 396.2MB. Max. memory is 16.1GB. [2024-10-11 19:37:07,314 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 19:37:07,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 710.39ms. Allocated memory is still 195.0MB. Free memory was 125.9MB in the beginning and 154.8MB in the end (delta: -28.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 19:37:07,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.83ms. Allocated memory is still 195.0MB. Free memory was 154.8MB in the beginning and 151.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 19:37:07,315 INFO L158 Benchmark]: Boogie Preprocessor took 57.91ms. Allocated memory is still 195.0MB. Free memory was 151.4MB in the beginning and 147.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 19:37:07,315 INFO L158 Benchmark]: RCFGBuilder took 910.87ms. Allocated memory is still 195.0MB. Free memory was 147.2MB in the beginning and 76.4MB in the end (delta: 70.7MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-10-11 19:37:07,315 INFO L158 Benchmark]: TraceAbstraction took 29110.38ms. Allocated memory was 195.0MB in the beginning and 752.9MB in the end (delta: 557.8MB). Free memory was 75.9MB in the beginning and 294.1MB in the end (delta: -218.3MB). Peak memory consumption was 342.7MB. Max. memory is 16.1GB. [2024-10-11 19:37:07,315 INFO L158 Benchmark]: Witness Printer took 114.39ms. Allocated memory is still 752.9MB. Free memory was 294.1MB in the beginning and 288.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 19:37:07,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 710.39ms. Allocated memory is still 195.0MB. Free memory was 125.9MB in the beginning and 154.8MB in the end (delta: -28.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.83ms. Allocated memory is still 195.0MB. Free memory was 154.8MB in the beginning and 151.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.91ms. Allocated memory is still 195.0MB. Free memory was 151.4MB in the beginning and 147.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 910.87ms. Allocated memory is still 195.0MB. Free memory was 147.2MB in the beginning and 76.4MB in the end (delta: 70.7MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * TraceAbstraction took 29110.38ms. Allocated memory was 195.0MB in the beginning and 752.9MB in the end (delta: 557.8MB). Free memory was 75.9MB in the beginning and 294.1MB in the end (delta: -218.3MB). Peak memory consumption was 342.7MB. Max. memory is 16.1GB. * Witness Printer took 114.39ms. Allocated memory is still 752.9MB. Free memory was 294.1MB in the beginning and 288.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 834]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 57 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 29.0s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 957 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 908 mSDsluCounter, 452 SdHoareTripleChecker+Invalid, 4.8s 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 3.5s 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, 0.8s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 411 NumberOfCodeBlocks, 411 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 391 ConstructedInterpolants, 0 QuantifiedInterpolants, 4949 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! [2024-10-11 19:37:07,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE