./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c --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/weaver/parallel-ticket-4.wvr.c -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 d87195cdf1d0fd4bcadf67f37be6f46388ea22a2ec77b383d012327e126a2173 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 19:18:55,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 19:18:55,401 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-24 19:18:55,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 19:18:55,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 19:18:55,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 19:18:55,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 19:18:55,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 19:18:55,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 19:18:55,451 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 19:18:55,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 19:18:55,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 19:18:55,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 19:18:55,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 19:18:55,452 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 19:18:55,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 19:18:55,453 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 19:18:55,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 19:18:55,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 19:18:55,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 19:18:55,462 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 19:18:55,463 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 19:18:55,463 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-24 19:18:55,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 19:18:55,463 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 19:18:55,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 19:18:55,464 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 19:18:55,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 19:18:55,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 19:18:55,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 19:18:55,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 19:18:55,476 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 19:18:55,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 19:18:55,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:18:55,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 19:18:55,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 19:18:55,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 19:18:55,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 19:18:55,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 19:18:55,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 19:18:55,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 19:18:55,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 19:18:55,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d87195cdf1d0fd4bcadf67f37be6f46388ea22a2ec77b383d012327e126a2173 [2024-10-24 19:18:55,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 19:18:55,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 19:18:55,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 19:18:55,778 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 19:18:55,778 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 19:18:55,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-10-24 19:18:57,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 19:18:57,554 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 19:18:57,555 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2024-10-24 19:18:57,562 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e18b51922/0fb5eb1c990c4b8e92b0670b5b1bde63/FLAG693867511 [2024-10-24 19:18:57,901 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e18b51922/0fb5eb1c990c4b8e92b0670b5b1bde63 [2024-10-24 19:18:57,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 19:18:57,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 19:18:57,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 19:18:57,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 19:18:57,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 19:18:57,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:18:57" (1/1) ... [2024-10-24 19:18:57,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190c718b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:57, skipping insertion in model container [2024-10-24 19:18:57,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:18:57" (1/1) ... [2024-10-24 19:18:57,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 19:18:58,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:18:58,133 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 19:18:58,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:18:58,178 INFO L204 MainTranslator]: Completed translation [2024-10-24 19:18:58,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58 WrapperNode [2024-10-24 19:18:58,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 19:18:58,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 19:18:58,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 19:18:58,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 19:18:58,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (1/1) ... [2024-10-24 19:18:58,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (1/1) ... [2024-10-24 19:18:58,217 INFO L138 Inliner]: procedures = 22, calls = 51, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 188 [2024-10-24 19:18:58,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 19:18:58,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 19:18:58,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 19:18:58,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 19:18:58,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (1/1) ... [2024-10-24 19:18:58,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (1/1) ... [2024-10-24 19:18:58,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (1/1) ... [2024-10-24 19:18:58,253 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 19:18:58,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (1/1) ... [2024-10-24 19:18:58,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (1/1) ... [2024-10-24 19:18:58,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (1/1) ... [2024-10-24 19:18:58,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (1/1) ... [2024-10-24 19:18:58,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (1/1) ... [2024-10-24 19:18:58,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (1/1) ... [2024-10-24 19:18:58,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 19:18:58,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 19:18:58,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 19:18:58,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 19:18:58,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (1/1) ... [2024-10-24 19:18:58,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:18:58,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:18:58,320 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 19:18:58,323 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 19:18:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 19:18:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 19:18:58,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 19:18:58,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 19:18:58,382 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 19:18:58,382 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-24 19:18:58,382 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-24 19:18:58,382 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-24 19:18:58,382 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-24 19:18:58,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 19:18:58,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 19:18:58,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 19:18:58,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 19:18:58,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 19:18:58,387 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 19:18:58,485 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 19:18:58,487 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 19:18:58,749 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 19:18:58,750 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 19:18:59,021 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 19:18:59,022 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 19:18:59,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:18:59 BoogieIcfgContainer [2024-10-24 19:18:59,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 19:18:59,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 19:18:59,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 19:18:59,029 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 19:18:59,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:18:57" (1/3) ... [2024-10-24 19:18:59,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b4c164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:18:59, skipping insertion in model container [2024-10-24 19:18:59,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:18:58" (2/3) ... [2024-10-24 19:18:59,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b4c164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:18:59, skipping insertion in model container [2024-10-24 19:18:59,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:18:59" (3/3) ... [2024-10-24 19:18:59,034 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2024-10-24 19:18:59,052 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 19:18:59,052 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 19:18:59,052 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 19:18:59,115 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-24 19:18:59,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 47 transitions, 122 flow [2024-10-24 19:18:59,204 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-10-24 19:18:59,205 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 19:18:59,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 43 events. 0/43 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 81 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-10-24 19:18:59,207 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 47 transitions, 122 flow [2024-10-24 19:18:59,211 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 42 transitions, 108 flow [2024-10-24 19:18:59,225 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 19:18:59,232 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;@54cfc195, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 19:18:59,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-24 19:18:59,256 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 19:18:59,257 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2024-10-24 19:18:59,257 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 19:18:59,258 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:18:59,259 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:18:59,260 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:18:59,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:18:59,266 INFO L85 PathProgramCache]: Analyzing trace with hash -573636712, now seen corresponding path program 1 times [2024-10-24 19:18:59,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:18:59,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666027886] [2024-10-24 19:18:59,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:18:59,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:18:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:00,473 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 19:19:00,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:00,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666027886] [2024-10-24 19:19:00,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666027886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:00,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:00,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 19:19:00,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995146483] [2024-10-24 19:19:00,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:00,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:19:00,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:00,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:19:00,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:19:00,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 47 [2024-10-24 19:19:00,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 42 transitions, 108 flow. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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 19:19:00,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:00,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 47 [2024-10-24 19:19:00,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:02,581 INFO L124 PetriNetUnfolderBase]: 15778/21691 cut-off events. [2024-10-24 19:19:02,584 INFO L125 PetriNetUnfolderBase]: For 1470/1470 co-relation queries the response was YES. [2024-10-24 19:19:02,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44681 conditions, 21691 events. 15778/21691 cut-off events. For 1470/1470 co-relation queries the response was YES. Maximal size of possible extension queue 770. Compared 121060 event pairs, 10182 based on Foata normal form. 2/21657 useless extension candidates. Maximal degree in co-relation 40935. Up to 12528 conditions per place. [2024-10-24 19:19:02,745 INFO L140 encePairwiseOnDemand]: 39/47 looper letters, 72 selfloop transitions, 5 changer transitions 7/89 dead transitions. [2024-10-24 19:19:02,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 89 transitions, 397 flow [2024-10-24 19:19:02,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:19:02,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 19:19:02,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-10-24 19:19:02,762 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6702127659574468 [2024-10-24 19:19:02,765 INFO L175 Difference]: Start difference. First operand has 55 places, 42 transitions, 108 flow. Second operand 4 states and 126 transitions. [2024-10-24 19:19:02,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 89 transitions, 397 flow [2024-10-24 19:19:02,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 89 transitions, 363 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-24 19:19:02,834 INFO L231 Difference]: Finished difference. Result has 50 places, 43 transitions, 120 flow [2024-10-24 19:19:02,837 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=120, PETRI_PLACES=50, PETRI_TRANSITIONS=43} [2024-10-24 19:19:02,843 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, -5 predicate places. [2024-10-24 19:19:02,844 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 43 transitions, 120 flow [2024-10-24 19:19:02,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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 19:19:02,844 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:02,844 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:02,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 19:19:02,845 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:02,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:02,846 INFO L85 PathProgramCache]: Analyzing trace with hash -2040436700, now seen corresponding path program 2 times [2024-10-24 19:19:02,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:02,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349573610] [2024-10-24 19:19:02,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:02,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:02,979 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 19:19:02,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:02,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349573610] [2024-10-24 19:19:02,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349573610] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:02,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:02,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:19:02,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903856155] [2024-10-24 19:19:02,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:02,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:19:02,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:02,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:19:02,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:19:02,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:02,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 43 transitions, 120 flow. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 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 19:19:02,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:02,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:02,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:04,520 INFO L124 PetriNetUnfolderBase]: 12093/18342 cut-off events. [2024-10-24 19:19:04,521 INFO L125 PetriNetUnfolderBase]: For 360/360 co-relation queries the response was YES. [2024-10-24 19:19:04,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37412 conditions, 18342 events. 12093/18342 cut-off events. For 360/360 co-relation queries the response was YES. Maximal size of possible extension queue 932. Compared 124871 event pairs, 3771 based on Foata normal form. 196/18095 useless extension candidates. Maximal degree in co-relation 16203. Up to 5780 conditions per place. [2024-10-24 19:19:04,675 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 80 selfloop transitions, 17 changer transitions 0/110 dead transitions. [2024-10-24 19:19:04,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 110 transitions, 461 flow [2024-10-24 19:19:04,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 19:19:04,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-24 19:19:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 173 transitions. [2024-10-24 19:19:04,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7361702127659574 [2024-10-24 19:19:04,678 INFO L175 Difference]: Start difference. First operand has 50 places, 43 transitions, 120 flow. Second operand 5 states and 173 transitions. [2024-10-24 19:19:04,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 110 transitions, 461 flow [2024-10-24 19:19:04,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 110 transitions, 451 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-10-24 19:19:04,689 INFO L231 Difference]: Finished difference. Result has 53 places, 59 transitions, 214 flow [2024-10-24 19:19:04,690 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=214, PETRI_PLACES=53, PETRI_TRANSITIONS=59} [2024-10-24 19:19:04,691 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, -2 predicate places. [2024-10-24 19:19:04,691 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 59 transitions, 214 flow [2024-10-24 19:19:04,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 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 19:19:04,691 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:04,692 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:04,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 19:19:04,692 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:04,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:04,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1998309602, now seen corresponding path program 3 times [2024-10-24 19:19:04,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:04,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355438106] [2024-10-24 19:19:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:04,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:04,923 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 19:19:04,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:04,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355438106] [2024-10-24 19:19:04,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355438106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:04,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:04,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:19:04,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346443769] [2024-10-24 19:19:04,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:04,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:19:04,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:04,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:19:04,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:19:04,926 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:04,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 59 transitions, 214 flow. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 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 19:19:04,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:04,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:04,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:06,414 INFO L124 PetriNetUnfolderBase]: 12038/18592 cut-off events. [2024-10-24 19:19:06,414 INFO L125 PetriNetUnfolderBase]: For 8512/8623 co-relation queries the response was YES. [2024-10-24 19:19:06,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47121 conditions, 18592 events. 12038/18592 cut-off events. For 8512/8623 co-relation queries the response was YES. Maximal size of possible extension queue 936. Compared 130710 event pairs, 3299 based on Foata normal form. 230/18439 useless extension candidates. Maximal degree in co-relation 12290. Up to 5559 conditions per place. [2024-10-24 19:19:06,570 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 76 selfloop transitions, 22 changer transitions 0/111 dead transitions. [2024-10-24 19:19:06,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 111 transitions, 561 flow [2024-10-24 19:19:06,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 19:19:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-24 19:19:06,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 169 transitions. [2024-10-24 19:19:06,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7191489361702128 [2024-10-24 19:19:06,575 INFO L175 Difference]: Start difference. First operand has 53 places, 59 transitions, 214 flow. Second operand 5 states and 169 transitions. [2024-10-24 19:19:06,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 111 transitions, 561 flow [2024-10-24 19:19:06,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 111 transitions, 561 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 19:19:06,583 INFO L231 Difference]: Finished difference. Result has 59 places, 65 transitions, 311 flow [2024-10-24 19:19:06,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=311, PETRI_PLACES=59, PETRI_TRANSITIONS=65} [2024-10-24 19:19:06,585 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 4 predicate places. [2024-10-24 19:19:06,586 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 65 transitions, 311 flow [2024-10-24 19:19:06,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 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 19:19:06,586 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:06,586 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:06,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 19:19:06,587 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:06,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:06,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1962872220, now seen corresponding path program 4 times [2024-10-24 19:19:06,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:06,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029918561] [2024-10-24 19:19:06,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:06,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:06,745 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 19:19:06,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:06,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029918561] [2024-10-24 19:19:06,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029918561] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:06,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:06,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 19:19:06,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913699385] [2024-10-24 19:19:06,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:06,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:19:06,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:06,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:19:06,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:19:06,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:06,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 65 transitions, 311 flow. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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 19:19:06,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:06,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:06,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:08,372 INFO L124 PetriNetUnfolderBase]: 12179/19174 cut-off events. [2024-10-24 19:19:08,373 INFO L125 PetriNetUnfolderBase]: For 17286/17487 co-relation queries the response was YES. [2024-10-24 19:19:08,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53550 conditions, 19174 events. 12179/19174 cut-off events. For 17286/17487 co-relation queries the response was YES. Maximal size of possible extension queue 974. Compared 138158 event pairs, 2473 based on Foata normal form. 452/19196 useless extension candidates. Maximal degree in co-relation 14140. Up to 6821 conditions per place. [2024-10-24 19:19:08,561 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 93 selfloop transitions, 59 changer transitions 5/170 dead transitions. [2024-10-24 19:19:08,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 170 transitions, 1035 flow [2024-10-24 19:19:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:19:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 19:19:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 211 transitions. [2024-10-24 19:19:08,566 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.74822695035461 [2024-10-24 19:19:08,566 INFO L175 Difference]: Start difference. First operand has 59 places, 65 transitions, 311 flow. Second operand 6 states and 211 transitions. [2024-10-24 19:19:08,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 170 transitions, 1035 flow [2024-10-24 19:19:08,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 170 transitions, 994 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 19:19:08,579 INFO L231 Difference]: Finished difference. Result has 65 places, 102 transitions, 718 flow [2024-10-24 19:19:08,580 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=718, PETRI_PLACES=65, PETRI_TRANSITIONS=102} [2024-10-24 19:19:08,582 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 10 predicate places. [2024-10-24 19:19:08,582 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 102 transitions, 718 flow [2024-10-24 19:19:08,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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 19:19:08,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:08,583 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:08,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 19:19:08,584 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:08,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:08,585 INFO L85 PathProgramCache]: Analyzing trace with hash 506356128, now seen corresponding path program 5 times [2024-10-24 19:19:08,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:08,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368993190] [2024-10-24 19:19:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:08,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:08,684 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 19:19:08,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:08,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368993190] [2024-10-24 19:19:08,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368993190] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:08,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:08,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:19:08,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746459090] [2024-10-24 19:19:08,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:08,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:19:08,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:08,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:19:08,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:19:08,688 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:08,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 102 transitions, 718 flow. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 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 19:19:08,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:08,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:08,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:09,945 INFO L124 PetriNetUnfolderBase]: 10687/17379 cut-off events. [2024-10-24 19:19:09,946 INFO L125 PetriNetUnfolderBase]: For 35159/35549 co-relation queries the response was YES. [2024-10-24 19:19:10,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55451 conditions, 17379 events. 10687/17379 cut-off events. For 35159/35549 co-relation queries the response was YES. Maximal size of possible extension queue 822. Compared 128049 event pairs, 2687 based on Foata normal form. 386/17521 useless extension candidates. Maximal degree in co-relation 12064. Up to 7287 conditions per place. [2024-10-24 19:19:10,095 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 93 selfloop transitions, 45 changer transitions 4/155 dead transitions. [2024-10-24 19:19:10,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 155 transitions, 1240 flow [2024-10-24 19:19:10,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 19:19:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-24 19:19:10,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 167 transitions. [2024-10-24 19:19:10,097 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7106382978723405 [2024-10-24 19:19:10,097 INFO L175 Difference]: Start difference. First operand has 65 places, 102 transitions, 718 flow. Second operand 5 states and 167 transitions. [2024-10-24 19:19:10,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 155 transitions, 1240 flow [2024-10-24 19:19:10,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 155 transitions, 1226 flow, removed 7 selfloop flow, removed 0 redundant places. [2024-10-24 19:19:10,127 INFO L231 Difference]: Finished difference. Result has 71 places, 111 transitions, 931 flow [2024-10-24 19:19:10,127 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=931, PETRI_PLACES=71, PETRI_TRANSITIONS=111} [2024-10-24 19:19:10,128 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 16 predicate places. [2024-10-24 19:19:10,128 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 111 transitions, 931 flow [2024-10-24 19:19:10,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 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 19:19:10,129 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:10,129 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:10,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 19:19:10,129 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:10,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:10,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1603875200, now seen corresponding path program 6 times [2024-10-24 19:19:10,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:10,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708713055] [2024-10-24 19:19:10,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:10,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:10,231 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 19:19:10,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:10,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708713055] [2024-10-24 19:19:10,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708713055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:10,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:10,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 19:19:10,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181352545] [2024-10-24 19:19:10,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:10,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:19:10,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:10,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:19:10,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:19:10,234 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:10,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 111 transitions, 931 flow. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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 19:19:10,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:10,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:10,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:11,717 INFO L124 PetriNetUnfolderBase]: 9713/15442 cut-off events. [2024-10-24 19:19:11,717 INFO L125 PetriNetUnfolderBase]: For 41725/42451 co-relation queries the response was YES. [2024-10-24 19:19:11,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53652 conditions, 15442 events. 9713/15442 cut-off events. For 41725/42451 co-relation queries the response was YES. Maximal size of possible extension queue 747. Compared 108765 event pairs, 1954 based on Foata normal form. 421/15466 useless extension candidates. Maximal degree in co-relation 16299. Up to 5203 conditions per place. [2024-10-24 19:19:11,855 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 88 selfloop transitions, 70 changer transitions 2/173 dead transitions. [2024-10-24 19:19:11,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 173 transitions, 1492 flow [2024-10-24 19:19:11,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:19:11,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 19:19:11,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 205 transitions. [2024-10-24 19:19:11,857 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7269503546099291 [2024-10-24 19:19:11,858 INFO L175 Difference]: Start difference. First operand has 71 places, 111 transitions, 931 flow. Second operand 6 states and 205 transitions. [2024-10-24 19:19:11,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 173 transitions, 1492 flow [2024-10-24 19:19:11,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 173 transitions, 1435 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-10-24 19:19:11,895 INFO L231 Difference]: Finished difference. Result has 75 places, 114 transitions, 1086 flow [2024-10-24 19:19:11,895 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1086, PETRI_PLACES=75, PETRI_TRANSITIONS=114} [2024-10-24 19:19:11,897 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 20 predicate places. [2024-10-24 19:19:11,898 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 114 transitions, 1086 flow [2024-10-24 19:19:11,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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 19:19:11,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:11,899 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:11,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 19:19:11,899 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:11,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:11,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1855481396, now seen corresponding path program 7 times [2024-10-24 19:19:11,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:11,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473209575] [2024-10-24 19:19:11,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:11,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:12,044 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 19:19:12,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:12,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473209575] [2024-10-24 19:19:12,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473209575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:12,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:12,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 19:19:12,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677172802] [2024-10-24 19:19:12,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:12,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:19:12,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:12,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:19:12,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:19:12,047 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:12,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 114 transitions, 1086 flow. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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 19:19:12,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:12,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:12,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:13,370 INFO L124 PetriNetUnfolderBase]: 9975/16000 cut-off events. [2024-10-24 19:19:13,370 INFO L125 PetriNetUnfolderBase]: For 55942/56755 co-relation queries the response was YES. [2024-10-24 19:19:13,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58627 conditions, 16000 events. 9975/16000 cut-off events. For 55942/56755 co-relation queries the response was YES. Maximal size of possible extension queue 779. Compared 114978 event pairs, 2068 based on Foata normal form. 445/16034 useless extension candidates. Maximal degree in co-relation 18302. Up to 5235 conditions per place. [2024-10-24 19:19:13,496 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 106 selfloop transitions, 89 changer transitions 1/209 dead transitions. [2024-10-24 19:19:13,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 209 transitions, 2005 flow [2024-10-24 19:19:13,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:19:13,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 19:19:13,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 263 transitions. [2024-10-24 19:19:13,501 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.699468085106383 [2024-10-24 19:19:13,501 INFO L175 Difference]: Start difference. First operand has 75 places, 114 transitions, 1086 flow. Second operand 8 states and 263 transitions. [2024-10-24 19:19:13,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 209 transitions, 2005 flow [2024-10-24 19:19:13,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 209 transitions, 1820 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-10-24 19:19:13,550 INFO L231 Difference]: Finished difference. Result has 79 places, 133 transitions, 1401 flow [2024-10-24 19:19:13,553 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=945, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1401, PETRI_PLACES=79, PETRI_TRANSITIONS=133} [2024-10-24 19:19:13,553 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 24 predicate places. [2024-10-24 19:19:13,554 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 133 transitions, 1401 flow [2024-10-24 19:19:13,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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 19:19:13,554 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:13,554 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:13,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 19:19:13,555 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:13,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:13,556 INFO L85 PathProgramCache]: Analyzing trace with hash 147208774, now seen corresponding path program 8 times [2024-10-24 19:19:13,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:13,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78725950] [2024-10-24 19:19:13,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:13,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:13,678 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 19:19:13,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:13,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78725950] [2024-10-24 19:19:13,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78725950] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:13,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:13,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 19:19:13,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478778768] [2024-10-24 19:19:13,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:13,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:19:13,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:13,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:19:13,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:19:13,682 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:13,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 133 transitions, 1401 flow. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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 19:19:13,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:13,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:13,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:15,140 INFO L124 PetriNetUnfolderBase]: 8918/14509 cut-off events. [2024-10-24 19:19:15,140 INFO L125 PetriNetUnfolderBase]: For 48999/49580 co-relation queries the response was YES. [2024-10-24 19:19:15,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53517 conditions, 14509 events. 8918/14509 cut-off events. For 48999/49580 co-relation queries the response was YES. Maximal size of possible extension queue 690. Compared 104000 event pairs, 1840 based on Foata normal form. 482/14662 useless extension candidates. Maximal degree in co-relation 15852. Up to 4669 conditions per place. [2024-10-24 19:19:15,249 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 102 selfloop transitions, 96 changer transitions 15/226 dead transitions. [2024-10-24 19:19:15,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 226 transitions, 2299 flow [2024-10-24 19:19:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:19:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 19:19:15,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 267 transitions. [2024-10-24 19:19:15,251 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7101063829787234 [2024-10-24 19:19:15,251 INFO L175 Difference]: Start difference. First operand has 79 places, 133 transitions, 1401 flow. Second operand 8 states and 267 transitions. [2024-10-24 19:19:15,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 226 transitions, 2299 flow [2024-10-24 19:19:15,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 226 transitions, 2169 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 19:19:15,301 INFO L231 Difference]: Finished difference. Result has 85 places, 140 transitions, 1595 flow [2024-10-24 19:19:15,302 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1235, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1595, PETRI_PLACES=85, PETRI_TRANSITIONS=140} [2024-10-24 19:19:15,302 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 30 predicate places. [2024-10-24 19:19:15,302 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 140 transitions, 1595 flow [2024-10-24 19:19:15,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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 19:19:15,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:15,303 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:15,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 19:19:15,303 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:15,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:15,304 INFO L85 PathProgramCache]: Analyzing trace with hash -27328696, now seen corresponding path program 9 times [2024-10-24 19:19:15,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:15,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158331887] [2024-10-24 19:19:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:15,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:15,425 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 19:19:15,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:15,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158331887] [2024-10-24 19:19:15,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158331887] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:15,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:15,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 19:19:15,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308536528] [2024-10-24 19:19:15,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:15,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:19:15,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:15,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:19:15,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:19:15,431 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:15,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 140 transitions, 1595 flow. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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 19:19:15,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:15,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:15,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:16,458 INFO L124 PetriNetUnfolderBase]: 7433/12350 cut-off events. [2024-10-24 19:19:16,458 INFO L125 PetriNetUnfolderBase]: For 47073/47455 co-relation queries the response was YES. [2024-10-24 19:19:16,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47332 conditions, 12350 events. 7433/12350 cut-off events. For 47073/47455 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 88076 event pairs, 1590 based on Foata normal form. 335/12497 useless extension candidates. Maximal degree in co-relation 14190. Up to 3795 conditions per place. [2024-10-24 19:19:16,525 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 102 selfloop transitions, 106 changer transitions 22/243 dead transitions. [2024-10-24 19:19:16,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 243 transitions, 2756 flow [2024-10-24 19:19:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:19:16,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 19:19:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 264 transitions. [2024-10-24 19:19:16,526 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7021276595744681 [2024-10-24 19:19:16,527 INFO L175 Difference]: Start difference. First operand has 85 places, 140 transitions, 1595 flow. Second operand 8 states and 264 transitions. [2024-10-24 19:19:16,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 243 transitions, 2756 flow [2024-10-24 19:19:16,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 243 transitions, 2715 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 19:19:16,574 INFO L231 Difference]: Finished difference. Result has 92 places, 149 transitions, 1949 flow [2024-10-24 19:19:16,574 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1557, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1949, PETRI_PLACES=92, PETRI_TRANSITIONS=149} [2024-10-24 19:19:16,575 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 37 predicate places. [2024-10-24 19:19:16,575 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 149 transitions, 1949 flow [2024-10-24 19:19:16,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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 19:19:16,576 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:16,577 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:16,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 19:19:16,577 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:16,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:16,578 INFO L85 PathProgramCache]: Analyzing trace with hash -912931568, now seen corresponding path program 10 times [2024-10-24 19:19:16,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:16,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184072074] [2024-10-24 19:19:16,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:16,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:16,702 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 19:19:16,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:16,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184072074] [2024-10-24 19:19:16,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184072074] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:16,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:16,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 19:19:16,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898146041] [2024-10-24 19:19:16,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:16,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:19:16,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:16,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:19:16,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:19:16,704 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:16,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 149 transitions, 1949 flow. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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 19:19:16,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:16,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:16,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:17,657 INFO L124 PetriNetUnfolderBase]: 6761/11208 cut-off events. [2024-10-24 19:19:17,657 INFO L125 PetriNetUnfolderBase]: For 51065/51363 co-relation queries the response was YES. [2024-10-24 19:19:17,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44290 conditions, 11208 events. 6761/11208 cut-off events. For 51065/51363 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 78337 event pairs, 1530 based on Foata normal form. 162/11190 useless extension candidates. Maximal degree in co-relation 15457. Up to 3855 conditions per place. [2024-10-24 19:19:17,749 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 84 selfloop transitions, 138 changer transitions 13/248 dead transitions. [2024-10-24 19:19:17,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 248 transitions, 3086 flow [2024-10-24 19:19:17,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:19:17,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-24 19:19:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 249 transitions. [2024-10-24 19:19:17,751 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6622340425531915 [2024-10-24 19:19:17,751 INFO L175 Difference]: Start difference. First operand has 92 places, 149 transitions, 1949 flow. Second operand 8 states and 249 transitions. [2024-10-24 19:19:17,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 248 transitions, 3086 flow [2024-10-24 19:19:17,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 248 transitions, 3031 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 19:19:17,835 INFO L231 Difference]: Finished difference. Result has 98 places, 175 transitions, 2529 flow [2024-10-24 19:19:17,836 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1909, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2529, PETRI_PLACES=98, PETRI_TRANSITIONS=175} [2024-10-24 19:19:17,836 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 43 predicate places. [2024-10-24 19:19:17,837 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 175 transitions, 2529 flow [2024-10-24 19:19:17,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 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 19:19:17,838 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:17,838 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:17,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 19:19:17,838 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:17,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:17,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1167246352, now seen corresponding path program 11 times [2024-10-24 19:19:17,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:17,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698436166] [2024-10-24 19:19:17,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:17,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:17,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:19:17,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:17,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698436166] [2024-10-24 19:19:17,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698436166] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:17,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:17,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 19:19:17,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315090417] [2024-10-24 19:19:17,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:17,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 19:19:17,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:17,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 19:19:17,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-24 19:19:17,976 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:17,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 175 transitions, 2529 flow. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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 19:19:17,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:17,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:17,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:19,022 INFO L124 PetriNetUnfolderBase]: 6462/10827 cut-off events. [2024-10-24 19:19:19,023 INFO L125 PetriNetUnfolderBase]: For 63092/63544 co-relation queries the response was YES. [2024-10-24 19:19:19,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44541 conditions, 10827 events. 6462/10827 cut-off events. For 63092/63544 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 76625 event pairs, 1467 based on Foata normal form. 336/11007 useless extension candidates. Maximal degree in co-relation 15749. Up to 3655 conditions per place. [2024-10-24 19:19:19,101 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 105 selfloop transitions, 144 changer transitions 18/280 dead transitions. [2024-10-24 19:19:19,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 280 transitions, 3678 flow [2024-10-24 19:19:19,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 19:19:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-24 19:19:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 345 transitions. [2024-10-24 19:19:19,104 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6117021276595744 [2024-10-24 19:19:19,104 INFO L175 Difference]: Start difference. First operand has 98 places, 175 transitions, 2529 flow. Second operand 12 states and 345 transitions. [2024-10-24 19:19:19,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 280 transitions, 3678 flow [2024-10-24 19:19:19,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 280 transitions, 3443 flow, removed 30 selfloop flow, removed 5 redundant places. [2024-10-24 19:19:19,199 INFO L231 Difference]: Finished difference. Result has 106 places, 181 transitions, 2700 flow [2024-10-24 19:19:19,200 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=2328, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2700, PETRI_PLACES=106, PETRI_TRANSITIONS=181} [2024-10-24 19:19:19,201 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 51 predicate places. [2024-10-24 19:19:19,201 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 181 transitions, 2700 flow [2024-10-24 19:19:19,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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 19:19:19,201 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:19,202 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:19,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 19:19:19,202 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:19,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:19,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1828433230, now seen corresponding path program 12 times [2024-10-24 19:19:19,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:19,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751801069] [2024-10-24 19:19:19,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:19,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:19,339 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 19:19:19,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:19,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751801069] [2024-10-24 19:19:19,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751801069] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:19,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:19,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 19:19:19,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920354715] [2024-10-24 19:19:19,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:19,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 19:19:19,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:19,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 19:19:19,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-24 19:19:19,343 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:19,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 181 transitions, 2700 flow. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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 19:19:19,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:19,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:19,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:20,880 INFO L124 PetriNetUnfolderBase]: 6554/11017 cut-off events. [2024-10-24 19:19:20,880 INFO L125 PetriNetUnfolderBase]: For 74187/74477 co-relation queries the response was YES. [2024-10-24 19:19:20,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46738 conditions, 11017 events. 6554/11017 cut-off events. For 74187/74477 co-relation queries the response was YES. Maximal size of possible extension queue 510. Compared 78614 event pairs, 1585 based on Foata normal form. 300/11159 useless extension candidates. Maximal degree in co-relation 16696. Up to 3714 conditions per place. [2024-10-24 19:19:20,963 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 89 selfloop transitions, 120 changer transitions 68/290 dead transitions. [2024-10-24 19:19:20,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 290 transitions, 3915 flow [2024-10-24 19:19:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 19:19:20,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-24 19:19:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 351 transitions. [2024-10-24 19:19:20,965 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6223404255319149 [2024-10-24 19:19:20,965 INFO L175 Difference]: Start difference. First operand has 106 places, 181 transitions, 2700 flow. Second operand 12 states and 351 transitions. [2024-10-24 19:19:20,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 290 transitions, 3915 flow [2024-10-24 19:19:21,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 290 transitions, 3787 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-10-24 19:19:21,061 INFO L231 Difference]: Finished difference. Result has 116 places, 157 transitions, 2366 flow [2024-10-24 19:19:21,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=2586, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2366, PETRI_PLACES=116, PETRI_TRANSITIONS=157} [2024-10-24 19:19:21,062 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 61 predicate places. [2024-10-24 19:19:21,062 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 157 transitions, 2366 flow [2024-10-24 19:19:21,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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 19:19:21,063 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:21,063 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:21,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 19:19:21,064 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:21,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:21,064 INFO L85 PathProgramCache]: Analyzing trace with hash -791597430, now seen corresponding path program 13 times [2024-10-24 19:19:21,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:21,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445632453] [2024-10-24 19:19:21,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:21,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:21,202 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 19:19:21,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:21,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445632453] [2024-10-24 19:19:21,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445632453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:21,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:21,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 19:19:21,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272771634] [2024-10-24 19:19:21,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:21,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 19:19:21,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:21,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 19:19:21,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-24 19:19:21,205 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:21,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 157 transitions, 2366 flow. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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 19:19:21,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:21,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:21,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:22,376 INFO L124 PetriNetUnfolderBase]: 5861/9794 cut-off events. [2024-10-24 19:19:22,376 INFO L125 PetriNetUnfolderBase]: For 77133/77481 co-relation queries the response was YES. [2024-10-24 19:19:22,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43076 conditions, 9794 events. 5861/9794 cut-off events. For 77133/77481 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 67689 event pairs, 1495 based on Foata normal form. 288/9938 useless extension candidates. Maximal degree in co-relation 16727. Up to 3472 conditions per place. [2024-10-24 19:19:22,462 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 97 selfloop transitions, 120 changer transitions 31/261 dead transitions. [2024-10-24 19:19:22,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 261 transitions, 3493 flow [2024-10-24 19:19:22,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 19:19:22,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-24 19:19:22,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 346 transitions. [2024-10-24 19:19:22,465 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6134751773049646 [2024-10-24 19:19:22,465 INFO L175 Difference]: Start difference. First operand has 116 places, 157 transitions, 2366 flow. Second operand 12 states and 346 transitions. [2024-10-24 19:19:22,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 261 transitions, 3493 flow [2024-10-24 19:19:22,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 261 transitions, 3181 flow, removed 18 selfloop flow, removed 9 redundant places. [2024-10-24 19:19:22,581 INFO L231 Difference]: Finished difference. Result has 117 places, 156 transitions, 2316 flow [2024-10-24 19:19:22,581 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2316, PETRI_PLACES=117, PETRI_TRANSITIONS=156} [2024-10-24 19:19:22,582 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 62 predicate places. [2024-10-24 19:19:22,582 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 156 transitions, 2316 flow [2024-10-24 19:19:22,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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 19:19:22,582 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 19:19:22,582 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:19:22,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 19:19:22,583 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-10-24 19:19:22,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:19:22,583 INFO L85 PathProgramCache]: Analyzing trace with hash 2127889166, now seen corresponding path program 14 times [2024-10-24 19:19:22,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:19:22,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446564101] [2024-10-24 19:19:22,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:19:22,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:19:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:19:22,706 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 19:19:22,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:19:22,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446564101] [2024-10-24 19:19:22,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446564101] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:19:22,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:19:22,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 19:19:22,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45239675] [2024-10-24 19:19:22,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:19:22,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 19:19:22,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:19:22,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 19:19:22,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-24 19:19:22,709 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-24 19:19:22,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 156 transitions, 2316 flow. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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 19:19:22,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 19:19:22,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-24 19:19:22,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 19:19:23,150 INFO L124 PetriNetUnfolderBase]: 720/1382 cut-off events. [2024-10-24 19:19:23,150 INFO L125 PetriNetUnfolderBase]: For 10286/10286 co-relation queries the response was YES. [2024-10-24 19:19:23,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7556 conditions, 1382 events. 720/1382 cut-off events. For 10286/10286 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 8059 event pairs, 84 based on Foata normal form. 256/1638 useless extension candidates. Maximal degree in co-relation 5621. Up to 370 conditions per place. [2024-10-24 19:19:23,158 INFO L140 encePairwiseOnDemand]: 39/47 looper letters, 0 selfloop transitions, 0 changer transitions 123/123 dead transitions. [2024-10-24 19:19:23,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 123 transitions, 1634 flow [2024-10-24 19:19:23,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 19:19:23,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-24 19:19:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 276 transitions. [2024-10-24 19:19:23,160 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48936170212765956 [2024-10-24 19:19:23,160 INFO L175 Difference]: Start difference. First operand has 117 places, 156 transitions, 2316 flow. Second operand 12 states and 276 transitions. [2024-10-24 19:19:23,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 123 transitions, 1634 flow [2024-10-24 19:19:23,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 123 transitions, 1507 flow, removed 16 selfloop flow, removed 11 redundant places. [2024-10-24 19:19:23,176 INFO L231 Difference]: Finished difference. Result has 102 places, 0 transitions, 0 flow [2024-10-24 19:19:23,176 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=1013, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=102, PETRI_TRANSITIONS=0} [2024-10-24 19:19:23,177 INFO L277 CegarLoopForPetriNet]: 55 programPoint places, 47 predicate places. [2024-10-24 19:19:23,177 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 0 transitions, 0 flow [2024-10-24 19:19:23,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 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 19:19:23,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-10-24 19:19:23,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-10-24 19:19:23,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-10-24 19:19:23,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-10-24 19:19:23,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-10-24 19:19:23,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-10-24 19:19:23,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 19:19:23,182 INFO L407 BasicCegarLoop]: Path program histogram: [14] [2024-10-24 19:19:23,186 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 19:19:23,186 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 19:19:23,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:19:23 BasicIcfg [2024-10-24 19:19:23,192 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 19:19:23,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 19:19:23,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 19:19:23,193 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 19:19:23,193 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:18:59" (3/4) ... [2024-10-24 19:19:23,195 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 19:19:23,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 19:19:23,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 19:19:23,203 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-24 19:19:23,203 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-10-24 19:19:23,211 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 91 nodes and edges [2024-10-24 19:19:23,211 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-10-24 19:19:23,212 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-24 19:19:23,212 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 19:19:23,311 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 19:19:23,312 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 19:19:23,312 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 19:19:23,312 INFO L158 Benchmark]: Toolchain (without parser) took 25407.61ms. Allocated memory was 176.2MB in the beginning and 8.2GB in the end (delta: 8.1GB). Free memory was 143.4MB in the beginning and 5.7GB in the end (delta: -5.5GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-10-24 19:19:23,313 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory was 143.3MB in the beginning and 143.2MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 19:19:23,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.91ms. Allocated memory is still 176.2MB. Free memory was 142.7MB in the beginning and 130.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 19:19:23,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.14ms. Allocated memory is still 176.2MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 19:19:23,313 INFO L158 Benchmark]: Boogie Preprocessor took 58.03ms. Allocated memory is still 176.2MB. Free memory was 127.4MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 19:19:23,313 INFO L158 Benchmark]: RCFGBuilder took 746.43ms. Allocated memory is still 176.2MB. Free memory was 125.3MB in the beginning and 79.8MB in the end (delta: 45.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-10-24 19:19:23,314 INFO L158 Benchmark]: TraceAbstraction took 24166.81ms. Allocated memory was 176.2MB in the beginning and 8.2GB in the end (delta: 8.1GB). Free memory was 79.1MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-10-24 19:19:23,314 INFO L158 Benchmark]: Witness Printer took 119.18ms. Allocated memory is still 8.2GB. Free memory was 5.7GB in the beginning and 5.7GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 19:19:23,316 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory was 143.3MB in the beginning and 143.2MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.91ms. Allocated memory is still 176.2MB. Free memory was 142.7MB in the beginning and 130.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.14ms. Allocated memory is still 176.2MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.03ms. Allocated memory is still 176.2MB. Free memory was 127.4MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 746.43ms. Allocated memory is still 176.2MB. Free memory was 125.3MB in the beginning and 79.8MB in the end (delta: 45.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 24166.81ms. Allocated memory was 176.2MB in the beginning and 8.2GB in the end (delta: 8.1GB). Free memory was 79.1MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Witness Printer took 119.18ms. Allocated memory is still 8.2GB. Free memory was 5.7GB in the beginning and 5.7GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 21]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 120]: 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 9 procedures, 81 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: 24.0s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 20.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1012 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1011 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 267 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3763 IncrementalHoareTripleChecker+Invalid, 4030 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 267 mSolverCounterUnsat, 2 mSDtfsCounter, 3763 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2700occurred in iteration=11, InterpolantAutomatonStates: 111, 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, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 560 NumberOfCodeBlocks, 560 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 546 ConstructedInterpolants, 0 QuantifiedInterpolants, 1778 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 19:19:23,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE