./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 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /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/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 19:00:54,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 19:00:54,196 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-24 19:00:54,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 19:00:54,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 19:00:54,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 19:00:54,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 19:00:54,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 19:00:54,222 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 19:00:54,222 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 19:00:54,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 19:00:54,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 19:00:54,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 19:00:54,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 19:00:54,224 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 19:00:54,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 19:00:54,224 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 19:00:54,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 19:00:54,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 19:00:54,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 19:00:54,225 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 19:00:54,226 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 19:00:54,226 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-24 19:00:54,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 19:00:54,227 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 19:00:54,227 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 19:00:54,227 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 19:00:54,227 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 19:00:54,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 19:00:54,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 19:00:54,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 19:00:54,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 19:00:54,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 19:00:54,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:00:54,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 19:00:54,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 19:00:54,230 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 19:00:54,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 19:00:54,230 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 19:00:54,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 19:00:54,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 19:00:54,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 19:00:54,231 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa [2024-10-24 19:00:54,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 19:00:54,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 19:00:54,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 19:00:54,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 19:00:54,523 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 19:00:54,525 INFO L431 ainManager$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 [2024-10-24 19:00:55,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 19:00:56,318 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 19:00:56,318 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 [2024-10-24 19:00:56,350 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e08e9f89/466cc4c3704742a7bba1928615dc7a74/FLAG012139b28 [2024-10-24 19:00:56,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e08e9f89/466cc4c3704742a7bba1928615dc7a74 [2024-10-24 19:00:56,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 19:00:56,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 19:00:56,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 19:00:56,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 19:00:56,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 19:00:56,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:00:56" (1/1) ... [2024-10-24 19:00:56,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2788465b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:56, skipping insertion in model container [2024-10-24 19:00:56,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:00:56" (1/1) ... [2024-10-24 19:00:56,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 19:00:56,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:00:57,008 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 19:00:57,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:00:57,097 INFO L204 MainTranslator]: Completed translation [2024-10-24 19:00:57,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57 WrapperNode [2024-10-24 19:00:57,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 19:00:57,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 19:00:57,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 19:00:57,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 19:00:57,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (1/1) ... [2024-10-24 19:00:57,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (1/1) ... [2024-10-24 19:00:57,155 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 153 [2024-10-24 19:00:57,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 19:00:57,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 19:00:57,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 19:00:57,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 19:00:57,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (1/1) ... [2024-10-24 19:00:57,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (1/1) ... [2024-10-24 19:00:57,172 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (1/1) ... [2024-10-24 19:00:57,188 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]. [2024-10-24 19:00:57,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (1/1) ... [2024-10-24 19:00:57,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (1/1) ... [2024-10-24 19:00:57,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (1/1) ... [2024-10-24 19:00:57,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (1/1) ... [2024-10-24 19:00:57,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (1/1) ... [2024-10-24 19:00:57,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (1/1) ... [2024-10-24 19:00:57,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 19:00:57,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 19:00:57,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 19:00:57,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 19:00:57,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (1/1) ... [2024-10-24 19:00:57,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:00:57,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:00:57,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 19:00:57,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 19:00:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 19:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 19:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-24 19:00:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-24 19:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-24 19:00:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-24 19:00:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 19:00:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 19:00:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 19:00:57,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 19:00:57,293 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 19:00:57,397 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 19:00:57,399 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 19:00:57,674 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 19:00:57,674 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 19:00:57,855 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 19:00:57,855 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 19:00:57,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:00:57 BoogieIcfgContainer [2024-10-24 19:00:57,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 19:00:57,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 19:00:57,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 19:00:57,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 19:00:57,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:00:56" (1/3) ... [2024-10-24 19:00:57,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4fe96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:00:57, skipping insertion in model container [2024-10-24 19:00:57,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:00:57" (2/3) ... [2024-10-24 19:00:57,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4fe96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:00:57, skipping insertion in model container [2024-10-24 19:00:57,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:00:57" (3/3) ... [2024-10-24 19:00:57,864 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-10-24 19:00:57,877 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 19:00:57,877 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-24 19:00:57,878 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 19:00:57,918 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 19:00:57,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 38 transitions, 84 flow [2024-10-24 19:00:57,970 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-10-24 19:00:57,971 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 19:00:57,976 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. [2024-10-24 19:00:57,976 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 38 transitions, 84 flow [2024-10-24 19:00:57,979 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 36 transitions, 78 flow [2024-10-24 19:00:57,991 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 19:00:57,998 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;@5497967a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 19:00:57,999 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-24 19:00:58,004 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 19:00:58,005 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-10-24 19:00:58,005 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 19:00:58,005 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:00:58,006 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 19:00:58,006 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:00:58,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:00:58,010 INFO L85 PathProgramCache]: Analyzing trace with hash 32036394, now seen corresponding path program 1 times [2024-10-24 19:00:58,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:00:58,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402052692] [2024-10-24 19:00:58,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:00:58,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:00:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:00:58,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:00:58,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:00:58,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402052692] [2024-10-24 19:00:58,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402052692] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:00:58,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:00:58,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:00:58,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962368730] [2024-10-24 19:00:58,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:00:58,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:00:58,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:00:58,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:00:58,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:00:58,494 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 38 [2024-10-24 19:00:58,495 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) [2024-10-24 19:00:58,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:00:58,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 38 [2024-10-24 19:00:58,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:00:58,743 INFO L124 PetriNetUnfolderBase]: 344/746 cut-off events. [2024-10-24 19:00:58,743 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 19:00:58,748 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. [2024-10-24 19:00:58,754 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 28 selfloop transitions, 2 changer transitions 2/44 dead transitions. [2024-10-24 19:00:58,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 44 transitions, 158 flow [2024-10-24 19:00:58,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:00:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 19:00:58,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2024-10-24 19:00:58,765 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6929824561403509 [2024-10-24 19:00:58,766 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 78 flow. Second operand 3 states and 79 transitions. [2024-10-24 19:00:58,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 44 transitions, 158 flow [2024-10-24 19:00:58,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 19:00:58,771 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 70 flow [2024-10-24 19:00:58,773 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} [2024-10-24 19:00:58,776 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -2 predicate places. [2024-10-24 19:00:58,777 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 70 flow [2024-10-24 19:00:58,778 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) [2024-10-24 19:00:58,778 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:00:58,778 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:00:58,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 19:00:58,779 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:00:58,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:00:58,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1946830375, now seen corresponding path program 1 times [2024-10-24 19:00:58,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:00:58,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145372873] [2024-10-24 19:00:58,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:00:58,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:00:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:00:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:00:58,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:00:58,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145372873] [2024-10-24 19:00:58,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145372873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:00:58,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:00:58,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 19:00:58,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037164906] [2024-10-24 19:00:58,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:00:58,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:00:58,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:00:58,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:00:58,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:00:58,877 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-10-24 19:00:58,877 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) [2024-10-24 19:00:58,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:00:58,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-10-24 19:00:58,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:00:58,973 INFO L124 PetriNetUnfolderBase]: 304/640 cut-off events. [2024-10-24 19:00:58,974 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-10-24 19:00:58,975 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. [2024-10-24 19:00:58,978 INFO L140 encePairwiseOnDemand]: 36/38 looper letters, 17 selfloop transitions, 1 changer transitions 1/30 dead transitions. [2024-10-24 19:00:58,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 106 flow [2024-10-24 19:00:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:00:58,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 19:00:58,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2024-10-24 19:00:58,980 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5175438596491229 [2024-10-24 19:00:58,980 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 70 flow. Second operand 3 states and 59 transitions. [2024-10-24 19:00:58,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 106 flow [2024-10-24 19:00:58,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 19:00:58,981 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 64 flow [2024-10-24 19:00:58,981 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} [2024-10-24 19:00:58,982 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places. [2024-10-24 19:00:58,982 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 64 flow [2024-10-24 19:00:58,982 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) [2024-10-24 19:00:58,982 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:00:58,983 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:00:58,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 19:00:58,983 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:00:58,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:00:58,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1946830389, now seen corresponding path program 1 times [2024-10-24 19:00:58,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:00:58,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170389659] [2024-10-24 19:00:58,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:00:58,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:00:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:00:59,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:00:59,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:00:59,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170389659] [2024-10-24 19:00:59,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170389659] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:00:59,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:00:59,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:00:59,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826925754] [2024-10-24 19:00:59,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:00:59,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:00:59,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:00:59,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:00:59,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:00:59,264 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-24 19:00:59,265 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) [2024-10-24 19:00:59,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:00:59,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-24 19:00:59,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:00:59,542 INFO L124 PetriNetUnfolderBase]: 426/820 cut-off events. [2024-10-24 19:00:59,542 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 19:00:59,543 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. [2024-10-24 19:00:59,545 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 24 selfloop transitions, 2 changer transitions 39/74 dead transitions. [2024-10-24 19:00:59,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 74 transitions, 284 flow [2024-10-24 19:00:59,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:00:59,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 19:00:59,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 163 transitions. [2024-10-24 19:00:59,547 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5361842105263158 [2024-10-24 19:00:59,548 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 64 flow. Second operand 8 states and 163 transitions. [2024-10-24 19:00:59,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 74 transitions, 284 flow [2024-10-24 19:00:59,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 74 transitions, 283 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 19:00:59,549 INFO L231 Difference]: Finished difference. Result has 47 places, 28 transitions, 77 flow [2024-10-24 19:00:59,550 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} [2024-10-24 19:00:59,550 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 6 predicate places. [2024-10-24 19:00:59,551 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 28 transitions, 77 flow [2024-10-24 19:00:59,551 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) [2024-10-24 19:00:59,551 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:00:59,551 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:00:59,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 19:00:59,551 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:00:59,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:00:59,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1274561474, now seen corresponding path program 1 times [2024-10-24 19:00:59,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:00:59,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299189828] [2024-10-24 19:00:59,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:00:59,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:00:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:00:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:00:59,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:00:59,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299189828] [2024-10-24 19:00:59,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299189828] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:00:59,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:00:59,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:00:59,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886027690] [2024-10-24 19:00:59,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:00:59,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:00:59,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:00:59,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:00:59,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:00:59,784 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-10-24 19:00:59,784 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) [2024-10-24 19:00:59,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:00:59,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-10-24 19:00:59,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:00,007 INFO L124 PetriNetUnfolderBase]: 245/508 cut-off events. [2024-10-24 19:01:00,008 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-10-24 19:01:00,009 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. [2024-10-24 19:01:00,010 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 25 selfloop transitions, 2 changer transitions 23/60 dead transitions. [2024-10-24 19:01:00,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 60 transitions, 253 flow [2024-10-24 19:01:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 19:01:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-24 19:01:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 143 transitions. [2024-10-24 19:01:00,013 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5375939849624061 [2024-10-24 19:01:00,013 INFO L175 Difference]: Start difference. First operand has 47 places, 28 transitions, 77 flow. Second operand 7 states and 143 transitions. [2024-10-24 19:01:00,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 60 transitions, 253 flow [2024-10-24 19:01:00,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 60 transitions, 233 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-10-24 19:01:00,019 INFO L231 Difference]: Finished difference. Result has 46 places, 28 transitions, 81 flow [2024-10-24 19:01:00,019 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} [2024-10-24 19:01:00,020 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 5 predicate places. [2024-10-24 19:01:00,020 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 28 transitions, 81 flow [2024-10-24 19:01:00,021 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) [2024-10-24 19:01:00,021 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:00,021 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] [2024-10-24 19:01:00,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 19:01:00,022 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:00,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:00,022 INFO L85 PathProgramCache]: Analyzing trace with hash 696225836, now seen corresponding path program 1 times [2024-10-24 19:01:00,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:00,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552424129] [2024-10-24 19:01:00,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:00,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:01,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:01,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552424129] [2024-10-24 19:01:01,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552424129] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:01,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:01,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 19:01:01,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595242837] [2024-10-24 19:01:01,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:01,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 19:01:01,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:01,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 19:01:01,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:01:01,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-24 19:01:01,064 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) [2024-10-24 19:01:01,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:01,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-24 19:01:01,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:01,503 INFO L124 PetriNetUnfolderBase]: 309/652 cut-off events. [2024-10-24 19:01:01,504 INFO L125 PetriNetUnfolderBase]: For 140/141 co-relation queries the response was YES. [2024-10-24 19:01:01,506 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. [2024-10-24 19:01:01,508 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 27 selfloop transitions, 8 changer transitions 21/65 dead transitions. [2024-10-24 19:01:01,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 65 transitions, 282 flow [2024-10-24 19:01:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 19:01:01,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-24 19:01:01,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 166 transitions. [2024-10-24 19:01:01,510 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4853801169590643 [2024-10-24 19:01:01,510 INFO L175 Difference]: Start difference. First operand has 46 places, 28 transitions, 81 flow. Second operand 9 states and 166 transitions. [2024-10-24 19:01:01,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 65 transitions, 282 flow [2024-10-24 19:01:01,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 65 transitions, 260 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-10-24 19:01:01,514 INFO L231 Difference]: Finished difference. Result has 50 places, 34 transitions, 145 flow [2024-10-24 19:01:01,514 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} [2024-10-24 19:01:01,515 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 9 predicate places. [2024-10-24 19:01:01,516 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 34 transitions, 145 flow [2024-10-24 19:01:01,516 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) [2024-10-24 19:01:01,516 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:01,516 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] [2024-10-24 19:01:01,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 19:01:01,517 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:01,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:01,518 INFO L85 PathProgramCache]: Analyzing trace with hash 2104934610, now seen corresponding path program 2 times [2024-10-24 19:01:01,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:01,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057750241] [2024-10-24 19:01:01,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:01,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:02,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:02,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:02,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057750241] [2024-10-24 19:01:02,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057750241] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:02,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:02,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 19:01:02,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823779704] [2024-10-24 19:01:02,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:02,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 19:01:02,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:02,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 19:01:02,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 19:01:02,412 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-10-24 19:01:02,412 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) [2024-10-24 19:01:02,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:02,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-10-24 19:01:02,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:03,019 INFO L124 PetriNetUnfolderBase]: 487/916 cut-off events. [2024-10-24 19:01:03,020 INFO L125 PetriNetUnfolderBase]: For 1050/1102 co-relation queries the response was YES. [2024-10-24 19:01:03,021 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. [2024-10-24 19:01:03,024 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 55 selfloop transitions, 21 changer transitions 31/114 dead transitions. [2024-10-24 19:01:03,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 114 transitions, 704 flow [2024-10-24 19:01:03,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 19:01:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 19:01:03,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 255 transitions. [2024-10-24 19:01:03,025 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4473684210526316 [2024-10-24 19:01:03,026 INFO L175 Difference]: Start difference. First operand has 50 places, 34 transitions, 145 flow. Second operand 15 states and 255 transitions. [2024-10-24 19:01:03,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 114 transitions, 704 flow [2024-10-24 19:01:03,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 114 transitions, 687 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-10-24 19:01:03,029 INFO L231 Difference]: Finished difference. Result has 66 places, 52 transitions, 342 flow [2024-10-24 19:01:03,030 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} [2024-10-24 19:01:03,030 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 25 predicate places. [2024-10-24 19:01:03,030 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 52 transitions, 342 flow [2024-10-24 19:01:03,031 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) [2024-10-24 19:01:03,031 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:03,031 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] [2024-10-24 19:01:03,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 19:01:03,031 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:03,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:03,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1577024779, now seen corresponding path program 1 times [2024-10-24 19:01:03,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:03,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784437964] [2024-10-24 19:01:03,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:03,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:03,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:03,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:03,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784437964] [2024-10-24 19:01:03,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784437964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:03,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:03,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 19:01:03,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998081694] [2024-10-24 19:01:03,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:03,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:01:03,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:03,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:01:03,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:01:03,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-10-24 19:01:03,707 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) [2024-10-24 19:01:03,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:03,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-10-24 19:01:03,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:04,410 INFO L124 PetriNetUnfolderBase]: 569/1011 cut-off events. [2024-10-24 19:01:04,411 INFO L125 PetriNetUnfolderBase]: For 2633/2667 co-relation queries the response was YES. [2024-10-24 19:01:04,413 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. [2024-10-24 19:01:04,417 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 66 selfloop transitions, 34 changer transitions 36/145 dead transitions. [2024-10-24 19:01:04,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 145 transitions, 1180 flow [2024-10-24 19:01:04,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 19:01:04,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 19:01:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 259 transitions. [2024-10-24 19:01:04,420 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4543859649122807 [2024-10-24 19:01:04,420 INFO L175 Difference]: Start difference. First operand has 66 places, 52 transitions, 342 flow. Second operand 15 states and 259 transitions. [2024-10-24 19:01:04,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 145 transitions, 1180 flow [2024-10-24 19:01:04,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 145 transitions, 1038 flow, removed 58 selfloop flow, removed 7 redundant places. [2024-10-24 19:01:04,428 INFO L231 Difference]: Finished difference. Result has 80 places, 79 transitions, 636 flow [2024-10-24 19:01:04,428 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} [2024-10-24 19:01:04,429 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 39 predicate places. [2024-10-24 19:01:04,430 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 79 transitions, 636 flow [2024-10-24 19:01:04,430 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) [2024-10-24 19:01:04,430 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:04,430 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] [2024-10-24 19:01:04,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 19:01:04,430 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:04,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:04,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1487003437, now seen corresponding path program 1 times [2024-10-24 19:01:04,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:04,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772048079] [2024-10-24 19:01:04,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:04,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:04,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:04,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:04,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772048079] [2024-10-24 19:01:04,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772048079] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:04,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:04,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 19:01:04,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630401042] [2024-10-24 19:01:04,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:04,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:01:04,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:04,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:01:04,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:01:04,970 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-10-24 19:01:04,970 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) [2024-10-24 19:01:04,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:04,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-10-24 19:01:04,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:05,347 INFO L124 PetriNetUnfolderBase]: 581/1077 cut-off events. [2024-10-24 19:01:05,348 INFO L125 PetriNetUnfolderBase]: For 5435/5533 co-relation queries the response was YES. [2024-10-24 19:01:05,350 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. [2024-10-24 19:01:05,353 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 100 selfloop transitions, 8 changer transitions 2/116 dead transitions. [2024-10-24 19:01:05,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 116 transitions, 1156 flow [2024-10-24 19:01:05,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 19:01:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-24 19:01:05,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 96 transitions. [2024-10-24 19:01:05,354 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5052631578947369 [2024-10-24 19:01:05,355 INFO L175 Difference]: Start difference. First operand has 80 places, 79 transitions, 636 flow. Second operand 5 states and 96 transitions. [2024-10-24 19:01:05,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 116 transitions, 1156 flow [2024-10-24 19:01:05,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 116 transitions, 1053 flow, removed 50 selfloop flow, removed 7 redundant places. [2024-10-24 19:01:05,368 INFO L231 Difference]: Finished difference. Result has 72 places, 73 transitions, 559 flow [2024-10-24 19:01:05,368 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} [2024-10-24 19:01:05,369 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 31 predicate places. [2024-10-24 19:01:05,369 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 73 transitions, 559 flow [2024-10-24 19:01:05,369 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) [2024-10-24 19:01:05,369 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:05,369 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] [2024-10-24 19:01:05,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 19:01:05,370 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:05,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:05,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1387541963, now seen corresponding path program 2 times [2024-10-24 19:01:05,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:05,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537520911] [2024-10-24 19:01:05,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:05,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:05,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:05,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:05,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537520911] [2024-10-24 19:01:05,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537520911] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:05,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:05,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 19:01:05,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190159892] [2024-10-24 19:01:05,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:05,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 19:01:05,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:05,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 19:01:05,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:01:05,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-24 19:01:05,829 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) [2024-10-24 19:01:05,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:05,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-24 19:01:05,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:06,173 INFO L124 PetriNetUnfolderBase]: 443/913 cut-off events. [2024-10-24 19:01:06,173 INFO L125 PetriNetUnfolderBase]: For 3015/3071 co-relation queries the response was YES. [2024-10-24 19:01:06,175 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. [2024-10-24 19:01:06,178 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 67 selfloop transitions, 38 changer transitions 14/133 dead transitions. [2024-10-24 19:01:06,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 133 transitions, 1184 flow [2024-10-24 19:01:06,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 19:01:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-24 19:01:06,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 225 transitions. [2024-10-24 19:01:06,180 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4934210526315789 [2024-10-24 19:01:06,180 INFO L175 Difference]: Start difference. First operand has 72 places, 73 transitions, 559 flow. Second operand 12 states and 225 transitions. [2024-10-24 19:01:06,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 133 transitions, 1184 flow [2024-10-24 19:01:06,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 133 transitions, 1121 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-10-24 19:01:06,188 INFO L231 Difference]: Finished difference. Result has 84 places, 92 transitions, 840 flow [2024-10-24 19:01:06,188 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} [2024-10-24 19:01:06,189 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 43 predicate places. [2024-10-24 19:01:06,189 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 92 transitions, 840 flow [2024-10-24 19:01:06,190 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) [2024-10-24 19:01:06,190 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:06,190 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] [2024-10-24 19:01:06,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 19:01:06,190 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:06,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:06,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1688336125, now seen corresponding path program 2 times [2024-10-24 19:01:06,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:06,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455571764] [2024-10-24 19:01:06,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:06,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:07,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:07,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455571764] [2024-10-24 19:01:07,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455571764] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:07,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:07,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 19:01:07,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80641806] [2024-10-24 19:01:07,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:07,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 19:01:07,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:07,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 19:01:07,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-24 19:01:07,641 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-24 19:01:07,642 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) [2024-10-24 19:01:07,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:07,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-24 19:01:07,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:08,233 INFO L124 PetriNetUnfolderBase]: 401/828 cut-off events. [2024-10-24 19:01:08,233 INFO L125 PetriNetUnfolderBase]: For 2929/2989 co-relation queries the response was YES. [2024-10-24 19:01:08,236 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. [2024-10-24 19:01:08,240 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 74 selfloop transitions, 26 changer transitions 13/127 dead transitions. [2024-10-24 19:01:08,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 127 transitions, 1283 flow [2024-10-24 19:01:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:01:08,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-24 19:01:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 180 transitions. [2024-10-24 19:01:08,241 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2024-10-24 19:01:08,242 INFO L175 Difference]: Start difference. First operand has 84 places, 92 transitions, 840 flow. Second operand 10 states and 180 transitions. [2024-10-24 19:01:08,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 127 transitions, 1283 flow [2024-10-24 19:01:08,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 127 transitions, 1256 flow, removed 12 selfloop flow, removed 3 redundant places. [2024-10-24 19:01:08,251 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 957 flow [2024-10-24 19:01:08,252 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} [2024-10-24 19:01:08,253 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 52 predicate places. [2024-10-24 19:01:08,253 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 957 flow [2024-10-24 19:01:08,253 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) [2024-10-24 19:01:08,253 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:08,254 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] [2024-10-24 19:01:08,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 19:01:08,254 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:08,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:08,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1604395185, now seen corresponding path program 3 times [2024-10-24 19:01:08,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:08,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862458047] [2024-10-24 19:01:08,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:08,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:08,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:08,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862458047] [2024-10-24 19:01:08,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862458047] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:08,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:08,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 19:01:08,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873157332] [2024-10-24 19:01:08,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:08,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 19:01:08,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:08,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 19:01:08,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-24 19:01:08,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-24 19:01:08,952 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) [2024-10-24 19:01:08,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:08,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-24 19:01:08,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:09,475 INFO L124 PetriNetUnfolderBase]: 478/969 cut-off events. [2024-10-24 19:01:09,475 INFO L125 PetriNetUnfolderBase]: For 4695/4747 co-relation queries the response was YES. [2024-10-24 19:01:09,478 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. [2024-10-24 19:01:09,482 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 67 selfloop transitions, 50 changer transitions 32/161 dead transitions. [2024-10-24 19:01:09,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 161 transitions, 1672 flow [2024-10-24 19:01:09,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 19:01:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-24 19:01:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 261 transitions. [2024-10-24 19:01:09,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4906015037593985 [2024-10-24 19:01:09,509 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 957 flow. Second operand 14 states and 261 transitions. [2024-10-24 19:01:09,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 161 transitions, 1672 flow [2024-10-24 19:01:09,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 161 transitions, 1605 flow, removed 17 selfloop flow, removed 7 redundant places. [2024-10-24 19:01:09,521 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 1139 flow [2024-10-24 19:01:09,521 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} [2024-10-24 19:01:09,522 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 61 predicate places. [2024-10-24 19:01:09,522 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 1139 flow [2024-10-24 19:01:09,522 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) [2024-10-24 19:01:09,522 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:09,523 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] [2024-10-24 19:01:09,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 19:01:09,523 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:09,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:09,524 INFO L85 PathProgramCache]: Analyzing trace with hash -756022767, now seen corresponding path program 4 times [2024-10-24 19:01:09,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:09,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787653569] [2024-10-24 19:01:09,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:09,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:09,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:09,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787653569] [2024-10-24 19:01:09,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787653569] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:09,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:09,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 19:01:09,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041009285] [2024-10-24 19:01:09,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:09,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 19:01:09,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:09,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 19:01:09,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:01:09,985 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-24 19:01:09,985 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) [2024-10-24 19:01:09,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:09,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-24 19:01:09,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:10,443 INFO L124 PetriNetUnfolderBase]: 441/907 cut-off events. [2024-10-24 19:01:10,443 INFO L125 PetriNetUnfolderBase]: For 5683/5721 co-relation queries the response was YES. [2024-10-24 19:01:10,446 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. [2024-10-24 19:01:10,451 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 72 selfloop transitions, 33 changer transitions 18/135 dead transitions. [2024-10-24 19:01:10,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 135 transitions, 1641 flow [2024-10-24 19:01:10,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 19:01:10,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-24 19:01:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 168 transitions. [2024-10-24 19:01:10,454 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49122807017543857 [2024-10-24 19:01:10,455 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 1139 flow. Second operand 9 states and 168 transitions. [2024-10-24 19:01:10,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 135 transitions, 1641 flow [2024-10-24 19:01:10,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 135 transitions, 1559 flow, removed 16 selfloop flow, removed 12 redundant places. [2024-10-24 19:01:10,470 INFO L231 Difference]: Finished difference. Result has 100 places, 105 transitions, 1232 flow [2024-10-24 19:01:10,470 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} [2024-10-24 19:01:10,470 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 59 predicate places. [2024-10-24 19:01:10,470 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 105 transitions, 1232 flow [2024-10-24 19:01:10,471 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) [2024-10-24 19:01:10,471 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:10,471 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] [2024-10-24 19:01:10,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 19:01:10,471 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:10,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:10,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1283050463, now seen corresponding path program 5 times [2024-10-24 19:01:10,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:10,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591319930] [2024-10-24 19:01:10,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:10,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:11,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:11,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591319930] [2024-10-24 19:01:11,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591319930] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:11,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:11,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 19:01:11,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210460989] [2024-10-24 19:01:11,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:11,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 19:01:11,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:11,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 19:01:11,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-24 19:01:11,512 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-24 19:01:11,512 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) [2024-10-24 19:01:11,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:11,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-24 19:01:11,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:12,345 INFO L124 PetriNetUnfolderBase]: 364/770 cut-off events. [2024-10-24 19:01:12,346 INFO L125 PetriNetUnfolderBase]: For 4905/4943 co-relation queries the response was YES. [2024-10-24 19:01:12,349 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. [2024-10-24 19:01:12,353 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 80 selfloop transitions, 28 changer transitions 15/135 dead transitions. [2024-10-24 19:01:12,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 135 transitions, 1714 flow [2024-10-24 19:01:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 19:01:12,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-24 19:01:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 194 transitions. [2024-10-24 19:01:12,358 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46411483253588515 [2024-10-24 19:01:12,358 INFO L175 Difference]: Start difference. First operand has 100 places, 105 transitions, 1232 flow. Second operand 11 states and 194 transitions. [2024-10-24 19:01:12,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 135 transitions, 1714 flow [2024-10-24 19:01:12,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 135 transitions, 1641 flow, removed 22 selfloop flow, removed 6 redundant places. [2024-10-24 19:01:12,373 INFO L231 Difference]: Finished difference. Result has 108 places, 108 transitions, 1310 flow [2024-10-24 19:01:12,373 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} [2024-10-24 19:01:12,374 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 67 predicate places. [2024-10-24 19:01:12,374 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 108 transitions, 1310 flow [2024-10-24 19:01:12,374 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) [2024-10-24 19:01:12,374 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:12,374 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] [2024-10-24 19:01:12,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 19:01:12,374 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:12,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:12,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1868006713, now seen corresponding path program 3 times [2024-10-24 19:01:12,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:12,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133427473] [2024-10-24 19:01:12,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:12,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:12,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:12,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133427473] [2024-10-24 19:01:12,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133427473] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:12,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:12,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 19:01:12,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931851381] [2024-10-24 19:01:12,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:12,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 19:01:12,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:12,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 19:01:12,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 19:01:12,928 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-10-24 19:01:12,929 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) [2024-10-24 19:01:12,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:12,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-10-24 19:01:12,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:13,219 INFO L124 PetriNetUnfolderBase]: 407/804 cut-off events. [2024-10-24 19:01:13,220 INFO L125 PetriNetUnfolderBase]: For 7036/7073 co-relation queries the response was YES. [2024-10-24 19:01:13,222 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. [2024-10-24 19:01:13,225 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 87 selfloop transitions, 10 changer transitions 1/104 dead transitions. [2024-10-24 19:01:13,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 104 transitions, 1354 flow [2024-10-24 19:01:13,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:01:13,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 19:01:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 111 transitions. [2024-10-24 19:01:13,227 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4868421052631579 [2024-10-24 19:01:13,227 INFO L175 Difference]: Start difference. First operand has 108 places, 108 transitions, 1310 flow. Second operand 6 states and 111 transitions. [2024-10-24 19:01:13,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 104 transitions, 1354 flow [2024-10-24 19:01:13,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 104 transitions, 1210 flow, removed 28 selfloop flow, removed 13 redundant places. [2024-10-24 19:01:13,239 INFO L231 Difference]: Finished difference. Result has 97 places, 72 transitions, 745 flow [2024-10-24 19:01:13,239 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} [2024-10-24 19:01:13,240 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 56 predicate places. [2024-10-24 19:01:13,240 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 72 transitions, 745 flow [2024-10-24 19:01:13,240 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) [2024-10-24 19:01:13,240 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:13,240 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] [2024-10-24 19:01:13,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 19:01:13,241 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:13,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:13,241 INFO L85 PathProgramCache]: Analyzing trace with hash -2015535567, now seen corresponding path program 1 times [2024-10-24 19:01:13,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:13,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927936423] [2024-10-24 19:01:13,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:13,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:14,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:14,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927936423] [2024-10-24 19:01:14,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927936423] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:14,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:14,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 19:01:14,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759508461] [2024-10-24 19:01:14,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:14,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 19:01:14,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:14,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 19:01:14,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-24 19:01:14,310 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-24 19:01:14,311 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) [2024-10-24 19:01:14,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:14,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-24 19:01:14,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:15,001 INFO L124 PetriNetUnfolderBase]: 285/629 cut-off events. [2024-10-24 19:01:15,001 INFO L125 PetriNetUnfolderBase]: For 4103/4128 co-relation queries the response was YES. [2024-10-24 19:01:15,003 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. [2024-10-24 19:01:15,006 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 64 selfloop transitions, 31 changer transitions 22/129 dead transitions. [2024-10-24 19:01:15,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 129 transitions, 1401 flow [2024-10-24 19:01:15,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 19:01:15,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-24 19:01:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 312 transitions. [2024-10-24 19:01:15,011 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45614035087719296 [2024-10-24 19:01:15,011 INFO L175 Difference]: Start difference. First operand has 97 places, 72 transitions, 745 flow. Second operand 18 states and 312 transitions. [2024-10-24 19:01:15,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 129 transitions, 1401 flow [2024-10-24 19:01:15,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 129 transitions, 1322 flow, removed 19 selfloop flow, removed 8 redundant places. [2024-10-24 19:01:15,022 INFO L231 Difference]: Finished difference. Result has 118 places, 79 transitions, 914 flow [2024-10-24 19:01:15,022 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} [2024-10-24 19:01:15,024 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 77 predicate places. [2024-10-24 19:01:15,024 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 79 transitions, 914 flow [2024-10-24 19:01:15,024 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) [2024-10-24 19:01:15,024 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:15,024 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] [2024-10-24 19:01:15,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 19:01:15,025 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:15,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:15,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1204006000, now seen corresponding path program 1 times [2024-10-24 19:01:15,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:15,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969893287] [2024-10-24 19:01:15,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:15,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:16,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:16,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969893287] [2024-10-24 19:01:16,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969893287] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:16,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:16,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 19:01:16,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742997181] [2024-10-24 19:01:16,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:16,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 19:01:16,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:16,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 19:01:16,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-24 19:01:16,486 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-24 19:01:16,487 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) [2024-10-24 19:01:16,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:16,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-24 19:01:16,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:17,143 INFO L124 PetriNetUnfolderBase]: 281/622 cut-off events. [2024-10-24 19:01:17,143 INFO L125 PetriNetUnfolderBase]: For 5324/5346 co-relation queries the response was YES. [2024-10-24 19:01:17,146 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. [2024-10-24 19:01:17,148 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 53 selfloop transitions, 33 changer transitions 17/115 dead transitions. [2024-10-24 19:01:17,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 115 transitions, 1386 flow [2024-10-24 19:01:17,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 19:01:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-24 19:01:17,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 242 transitions. [2024-10-24 19:01:17,150 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4548872180451128 [2024-10-24 19:01:17,150 INFO L175 Difference]: Start difference. First operand has 118 places, 79 transitions, 914 flow. Second operand 14 states and 242 transitions. [2024-10-24 19:01:17,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 115 transitions, 1386 flow [2024-10-24 19:01:17,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 115 transitions, 1246 flow, removed 53 selfloop flow, removed 12 redundant places. [2024-10-24 19:01:17,181 INFO L231 Difference]: Finished difference. Result has 119 places, 82 transitions, 961 flow [2024-10-24 19:01:17,185 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} [2024-10-24 19:01:17,186 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 78 predicate places. [2024-10-24 19:01:17,186 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 82 transitions, 961 flow [2024-10-24 19:01:17,186 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) [2024-10-24 19:01:17,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:17,186 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] [2024-10-24 19:01:17,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 19:01:17,186 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:17,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:17,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1149869666, now seen corresponding path program 1 times [2024-10-24 19:01:17,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:17,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950097599] [2024-10-24 19:01:17,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:17,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:17,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:17,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950097599] [2024-10-24 19:01:17,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950097599] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:17,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:17,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 19:01:17,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148518639] [2024-10-24 19:01:17,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:17,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:01:17,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:17,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:01:17,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:01:17,565 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-10-24 19:01:17,565 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) [2024-10-24 19:01:17,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:17,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-10-24 19:01:17,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:17,871 INFO L124 PetriNetUnfolderBase]: 322/718 cut-off events. [2024-10-24 19:01:17,871 INFO L125 PetriNetUnfolderBase]: For 6796/6815 co-relation queries the response was YES. [2024-10-24 19:01:17,874 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. [2024-10-24 19:01:17,879 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 38 selfloop transitions, 8 changer transitions 47/106 dead transitions. [2024-10-24 19:01:17,879 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 106 transitions, 1383 flow [2024-10-24 19:01:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:01:17,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 19:01:17,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 122 transitions. [2024-10-24 19:01:17,883 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5350877192982456 [2024-10-24 19:01:17,883 INFO L175 Difference]: Start difference. First operand has 119 places, 82 transitions, 961 flow. Second operand 6 states and 122 transitions. [2024-10-24 19:01:17,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 106 transitions, 1383 flow [2024-10-24 19:01:17,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 106 transitions, 1258 flow, removed 42 selfloop flow, removed 10 redundant places. [2024-10-24 19:01:17,898 INFO L231 Difference]: Finished difference. Result has 111 places, 58 transitions, 575 flow [2024-10-24 19:01:17,898 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} [2024-10-24 19:01:17,898 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 70 predicate places. [2024-10-24 19:01:17,898 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 58 transitions, 575 flow [2024-10-24 19:01:17,899 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) [2024-10-24 19:01:17,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:17,899 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] [2024-10-24 19:01:17,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 19:01:17,900 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:17,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:17,900 INFO L85 PathProgramCache]: Analyzing trace with hash -213679276, now seen corresponding path program 2 times [2024-10-24 19:01:17,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:17,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203233896] [2024-10-24 19:01:17,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:17,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:18,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:18,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203233896] [2024-10-24 19:01:18,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203233896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:18,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:18,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 19:01:18,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694833450] [2024-10-24 19:01:18,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:18,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 19:01:18,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:18,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 19:01:18,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-24 19:01:18,305 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-24 19:01:18,306 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) [2024-10-24 19:01:18,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:18,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-24 19:01:18,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:18,617 INFO L124 PetriNetUnfolderBase]: 268/607 cut-off events. [2024-10-24 19:01:18,617 INFO L125 PetriNetUnfolderBase]: For 4519/4533 co-relation queries the response was YES. [2024-10-24 19:01:18,619 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. [2024-10-24 19:01:18,621 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 48 selfloop transitions, 7 changer transitions 28/94 dead transitions. [2024-10-24 19:01:18,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 94 transitions, 1055 flow [2024-10-24 19:01:18,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:01:18,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 19:01:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 144 transitions. [2024-10-24 19:01:18,622 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2024-10-24 19:01:18,622 INFO L175 Difference]: Start difference. First operand has 111 places, 58 transitions, 575 flow. Second operand 8 states and 144 transitions. [2024-10-24 19:01:18,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 94 transitions, 1055 flow [2024-10-24 19:01:18,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 94 transitions, 918 flow, removed 31 selfloop flow, removed 16 redundant places. [2024-10-24 19:01:18,630 INFO L231 Difference]: Finished difference. Result has 99 places, 58 transitions, 505 flow [2024-10-24 19:01:18,631 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} [2024-10-24 19:01:18,631 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 58 predicate places. [2024-10-24 19:01:18,631 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 58 transitions, 505 flow [2024-10-24 19:01:18,632 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) [2024-10-24 19:01:18,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:18,632 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] [2024-10-24 19:01:18,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 19:01:18,632 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:18,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:18,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1221672098, now seen corresponding path program 3 times [2024-10-24 19:01:18,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:18,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802566389] [2024-10-24 19:01:18,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:18,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:19,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:19,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802566389] [2024-10-24 19:01:19,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802566389] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:19,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:19,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 19:01:19,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500882167] [2024-10-24 19:01:19,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:19,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 19:01:19,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:19,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 19:01:19,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-24 19:01:19,383 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-24 19:01:19,384 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) [2024-10-24 19:01:19,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:19,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-24 19:01:19,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:19,826 INFO L124 PetriNetUnfolderBase]: 172/412 cut-off events. [2024-10-24 19:01:19,826 INFO L125 PetriNetUnfolderBase]: For 2207/2211 co-relation queries the response was YES. [2024-10-24 19:01:19,827 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. [2024-10-24 19:01:19,828 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 34 selfloop transitions, 15 changer transitions 31/89 dead transitions. [2024-10-24 19:01:19,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 89 transitions, 830 flow [2024-10-24 19:01:19,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 19:01:19,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-10-24 19:01:19,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 218 transitions. [2024-10-24 19:01:19,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44129554655870445 [2024-10-24 19:01:19,830 INFO L175 Difference]: Start difference. First operand has 99 places, 58 transitions, 505 flow. Second operand 13 states and 218 transitions. [2024-10-24 19:01:19,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 89 transitions, 830 flow [2024-10-24 19:01:19,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 89 transitions, 801 flow, removed 11 selfloop flow, removed 5 redundant places. [2024-10-24 19:01:19,836 INFO L231 Difference]: Finished difference. Result has 106 places, 43 transitions, 386 flow [2024-10-24 19:01:19,836 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} [2024-10-24 19:01:19,836 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 65 predicate places. [2024-10-24 19:01:19,836 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 43 transitions, 386 flow [2024-10-24 19:01:19,837 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) [2024-10-24 19:01:19,837 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:01:19,837 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] [2024-10-24 19:01:19,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 19:01:19,837 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-10-24 19:01:19,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:01:19,837 INFO L85 PathProgramCache]: Analyzing trace with hash -536910176, now seen corresponding path program 1 times [2024-10-24 19:01:19,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:01:19,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554664667] [2024-10-24 19:01:19,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:01:19,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:01:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:01:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:01:20,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:01:20,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554664667] [2024-10-24 19:01:20,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554664667] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:01:20,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:01:20,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 19:01:20,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867107861] [2024-10-24 19:01:20,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:01:20,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 19:01:20,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:01:20,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 19:01:20,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-24 19:01:20,692 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-10-24 19:01:20,692 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) [2024-10-24 19:01:20,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:01:20,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-10-24 19:01:20,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:01:20,888 INFO L124 PetriNetUnfolderBase]: 53/168 cut-off events. [2024-10-24 19:01:20,890 INFO L125 PetriNetUnfolderBase]: For 648/648 co-relation queries the response was YES. [2024-10-24 19:01:20,891 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. [2024-10-24 19:01:20,892 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2024-10-24 19:01:20,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 50 transitions, 482 flow [2024-10-24 19:01:20,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 19:01:20,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-24 19:01:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 141 transitions. [2024-10-24 19:01:20,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41228070175438597 [2024-10-24 19:01:20,893 INFO L175 Difference]: Start difference. First operand has 106 places, 43 transitions, 386 flow. Second operand 9 states and 141 transitions. [2024-10-24 19:01:20,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 50 transitions, 482 flow [2024-10-24 19:01:20,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 50 transitions, 327 flow, removed 26 selfloop flow, removed 28 redundant places. [2024-10-24 19:01:20,895 INFO L231 Difference]: Finished difference. Result has 76 places, 0 transitions, 0 flow [2024-10-24 19:01:20,895 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} [2024-10-24 19:01:20,895 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 35 predicate places. [2024-10-24 19:01:20,896 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 0 transitions, 0 flow [2024-10-24 19:01:20,896 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) [2024-10-24 19:01:20,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-10-24 19:01:20,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-10-24 19:01:20,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-10-24 19:01:20,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-10-24 19:01:20,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-10-24 19:01:20,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-10-24 19:01:20,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 19:01:20,899 INFO L407 BasicCegarLoop]: Path program histogram: [5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:01:20,903 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 19:01:20,903 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 19:01:20,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:01:20 BasicIcfg [2024-10-24 19:01:20,907 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 19:01:20,907 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 19:01:20,908 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 19:01:20,908 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 19:01:20,908 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:00:57" (3/4) ... [2024-10-24 19:01:20,909 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 19:01:20,911 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-24 19:01:20,911 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-24 19:01:20,915 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2024-10-24 19:01:20,915 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-24 19:01:20,915 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 19:01:20,915 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 19:01:20,990 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 19:01:20,990 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 19:01:20,990 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 19:01:20,991 INFO L158 Benchmark]: Toolchain (without parser) took 24472.31ms. Allocated memory was 151.0MB in the beginning and 813.7MB in the end (delta: 662.7MB). Free memory was 77.3MB in the beginning and 565.2MB in the end (delta: -487.9MB). Peak memory consumption was 177.4MB. Max. memory is 16.1GB. [2024-10-24 19:01:20,991 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 151.0MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 19:01:20,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.01ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 77.1MB in the beginning and 161.8MB in the end (delta: -84.7MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-10-24 19:01:20,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.38ms. Allocated memory is still 205.5MB. Free memory was 161.8MB in the beginning and 158.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 19:01:20,991 INFO L158 Benchmark]: Boogie Preprocessor took 46.70ms. Allocated memory is still 205.5MB. Free memory was 158.7MB in the beginning and 153.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 19:01:20,991 INFO L158 Benchmark]: RCFGBuilder took 652.34ms. Allocated memory is still 205.5MB. Free memory was 153.4MB in the beginning and 82.1MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-10-24 19:01:20,992 INFO L158 Benchmark]: TraceAbstraction took 23049.31ms. Allocated memory was 205.5MB in the beginning and 813.7MB in the end (delta: 608.2MB). Free memory was 82.1MB in the beginning and 569.4MB in the end (delta: -487.3MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. [2024-10-24 19:01:20,992 INFO L158 Benchmark]: Witness Printer took 82.70ms. Allocated memory is still 813.7MB. Free memory was 569.4MB in the beginning and 565.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 19:01:20,993 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 151.0MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.01ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 77.1MB in the beginning and 161.8MB in the end (delta: -84.7MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.38ms. Allocated memory is still 205.5MB. Free memory was 161.8MB in the beginning and 158.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.70ms. Allocated memory is still 205.5MB. Free memory was 158.7MB in the beginning and 153.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 652.34ms. Allocated memory is still 205.5MB. Free memory was 153.4MB in the beginning and 82.1MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * TraceAbstraction took 23049.31ms. Allocated memory was 205.5MB in the beginning and 813.7MB in the end (delta: 608.2MB). Free memory was 82.1MB in the beginning and 569.4MB in the end (delta: -487.3MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. * Witness Printer took 82.70ms. Allocated memory is still 813.7MB. Free memory was 569.4MB in the beginning and 565.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 834]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 57 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 23.0s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 957 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 908 mSDsluCounter, 452 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 401 mSDsCounter, 256 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3918 IncrementalHoareTripleChecker+Invalid, 4174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 256 mSolverCounterUnsat, 51 mSDtfsCounter, 3918 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1310occurred in iteration=13, InterpolantAutomatonStates: 195, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 411 NumberOfCodeBlocks, 411 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 391 ConstructedInterpolants, 0 QuantifiedInterpolants, 4527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 19:01:21,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/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