./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 09:30:27,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 09:30:27,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-19 09:30:27,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 09:30:27,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 09:30:27,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 09:30:27,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 09:30:27,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 09:30:27,361 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 09:30:27,362 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 09:30:27,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 09:30:27,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 09:30:27,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 09:30:27,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 09:30:27,364 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 09:30:27,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 09:30:27,365 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 09:30:27,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 09:30:27,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 09:30:27,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 09:30:27,368 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 09:30:27,370 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 09:30:27,370 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 09:30:27,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 09:30:27,371 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 09:30:27,371 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 09:30:27,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 09:30:27,371 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 09:30:27,371 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 09:30:27,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 09:30:27,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 09:30:27,372 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 09:30:27,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 09:30:27,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:30:27,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 09:30:27,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 09:30:27,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 09:30:27,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 09:30:27,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 09:30:27,373 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 09:30:27,374 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 09:30:27,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 09:30:27,376 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa [2024-11-19 09:30:27,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 09:30:27,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 09:30:27,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 09:30:27,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 09:30:27,627 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 09:30:27,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-19 09:30:28,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 09:30:29,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 09:30:29,201 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-19 09:30:29,218 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af193a01f/20ab9cfd32dc4c63a3337a6d6cc6fbfc/FLAG452343bfa [2024-11-19 09:30:29,232 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af193a01f/20ab9cfd32dc4c63a3337a6d6cc6fbfc [2024-11-19 09:30:29,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 09:30:29,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 09:30:29,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 09:30:29,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 09:30:29,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 09:30:29,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dfec359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29, skipping insertion in model container [2024-11-19 09:30:29,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 09:30:29,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:30:29,710 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 09:30:29,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:30:29,798 INFO L204 MainTranslator]: Completed translation [2024-11-19 09:30:29,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29 WrapperNode [2024-11-19 09:30:29,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 09:30:29,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 09:30:29,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 09:30:29,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 09:30:29,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,857 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 153 [2024-11-19 09:30:29,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 09:30:29,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 09:30:29,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 09:30:29,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 09:30:29,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,871 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,892 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 09:30:29,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 09:30:29,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 09:30:29,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 09:30:29,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 09:30:29,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (1/1) ... [2024-11-19 09:30:29,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:30:29,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 09:30:29,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 09:30:29,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 09:30:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 09:30:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 09:30:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-19 09:30:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-19 09:30:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-19 09:30:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-19 09:30:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 09:30:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 09:30:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 09:30:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 09:30:30,017 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 09:30:30,129 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 09:30:30,130 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 09:30:30,375 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 09:30:30,376 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 09:30:30,639 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 09:30:30,639 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 09:30:30,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:30:30 BoogieIcfgContainer [2024-11-19 09:30:30,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 09:30:30,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 09:30:30,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 09:30:30,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 09:30:30,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:30:29" (1/3) ... [2024-11-19 09:30:30,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a376e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:30:30, skipping insertion in model container [2024-11-19 09:30:30,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:30:29" (2/3) ... [2024-11-19 09:30:30,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a376e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:30:30, skipping insertion in model container [2024-11-19 09:30:30,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:30:30" (3/3) ... [2024-11-19 09:30:30,646 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-19 09:30:30,659 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 09:30:30,659 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-19 09:30:30,659 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 09:30:30,707 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 09:30:30,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 38 transitions, 84 flow [2024-11-19 09:30:30,759 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-11-19 09:30:30,759 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 09:30:30,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 36 events. 2/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2024-11-19 09:30:30,764 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 38 transitions, 84 flow [2024-11-19 09:30:30,766 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 36 transitions, 78 flow [2024-11-19 09:30:30,775 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 09:30:30,780 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;@55815bba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 09:30:30,781 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-19 09:30:30,784 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 09:30:30,784 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-11-19 09:30:30,785 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 09:30:30,785 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:30,786 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 09:30:30,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:30,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:30,791 INFO L85 PathProgramCache]: Analyzing trace with hash 32036394, now seen corresponding path program 1 times [2024-11-19 09:30:30,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:30,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45345186] [2024-11-19 09:30:30,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:30:30,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:30:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:31,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:31,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45345186] [2024-11-19 09:30:31,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45345186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:31,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:31,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 09:30:31,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109365722] [2024-11-19 09:30:31,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:31,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:30:31,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:31,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:30:31,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:30:31,205 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 38 [2024-11-19 09:30:31,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:31,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:31,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 38 [2024-11-19 09:30:31,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:31,607 INFO L124 PetriNetUnfolderBase]: 344/746 cut-off events. [2024-11-19 09:30:31,608 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 09:30:31,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1342 conditions, 746 events. 344/746 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4216 event pairs, 40 based on Foata normal form. 50/793 useless extension candidates. Maximal degree in co-relation 1332. Up to 485 conditions per place. [2024-11-19 09:30:31,617 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 28 selfloop transitions, 2 changer transitions 2/44 dead transitions. [2024-11-19 09:30:31,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 44 transitions, 158 flow [2024-11-19 09:30:31,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:30:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 09:30:31,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2024-11-19 09:30:31,638 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6929824561403509 [2024-11-19 09:30:31,643 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 78 flow. Second operand 3 states and 79 transitions. [2024-11-19 09:30:31,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 44 transitions, 158 flow [2024-11-19 09:30:31,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 09:30:31,652 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 70 flow [2024-11-19 09:30:31,653 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2024-11-19 09:30:31,660 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -2 predicate places. [2024-11-19 09:30:31,660 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 70 flow [2024-11-19 09:30:31,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:31,660 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:31,660 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:31,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 09:30:31,661 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:31,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:31,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1946830375, now seen corresponding path program 1 times [2024-11-19 09:30:31,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:31,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962758544] [2024-11-19 09:30:31,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:30:31,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:30:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:31,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:31,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962758544] [2024-11-19 09:30:31,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962758544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:31,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:31,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 09:30:31,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577580503] [2024-11-19 09:30:31,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:31,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:30:31,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:31,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:30:31,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:30:31,764 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-11-19 09:30:31,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:31,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:31,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-11-19 09:30:31,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:31,917 INFO L124 PetriNetUnfolderBase]: 304/640 cut-off events. [2024-11-19 09:30:31,917 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-19 09:30:31,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 640 events. 304/640 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3552 event pairs, 304 based on Foata normal form. 25/650 useless extension candidates. Maximal degree in co-relation 1201. Up to 515 conditions per place. [2024-11-19 09:30:31,921 INFO L140 encePairwiseOnDemand]: 36/38 looper letters, 17 selfloop transitions, 1 changer transitions 1/30 dead transitions. [2024-11-19 09:30:31,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 30 transitions, 106 flow [2024-11-19 09:30:31,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:30:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 09:30:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2024-11-19 09:30:31,923 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5175438596491229 [2024-11-19 09:30:31,923 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 70 flow. Second operand 3 states and 59 transitions. [2024-11-19 09:30:31,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 30 transitions, 106 flow [2024-11-19 09:30:31,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 09:30:31,924 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 64 flow [2024-11-19 09:30:31,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2024-11-19 09:30:31,925 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places. [2024-11-19 09:30:31,925 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 64 flow [2024-11-19 09:30:31,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:31,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:31,926 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:31,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 09:30:31,926 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:31,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:31,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1946830389, now seen corresponding path program 1 times [2024-11-19 09:30:31,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:31,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640048581] [2024-11-19 09:30:31,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:30:31,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:30:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:32,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:32,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640048581] [2024-11-19 09:30:32,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640048581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:32,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:32,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:30:32,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101975560] [2024-11-19 09:30:32,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:32,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 09:30:32,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:32,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 09:30:32,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 09:30:32,189 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-19 09:30:32,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 64 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:32,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:32,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-19 09:30:32,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:32,438 INFO L124 PetriNetUnfolderBase]: 426/820 cut-off events. [2024-11-19 09:30:32,439 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 09:30:32,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1563 conditions, 820 events. 426/820 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4393 event pairs, 96 based on Foata normal form. 0/793 useless extension candidates. Maximal degree in co-relation 1557. Up to 358 conditions per place. [2024-11-19 09:30:32,446 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 24 selfloop transitions, 2 changer transitions 39/74 dead transitions. [2024-11-19 09:30:32,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 74 transitions, 284 flow [2024-11-19 09:30:32,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 09:30:32,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-19 09:30:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 163 transitions. [2024-11-19 09:30:32,451 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5361842105263158 [2024-11-19 09:30:32,452 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 64 flow. Second operand 8 states and 163 transitions. [2024-11-19 09:30:32,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 74 transitions, 284 flow [2024-11-19 09:30:32,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 74 transitions, 283 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 09:30:32,453 INFO L231 Difference]: Finished difference. Result has 47 places, 28 transitions, 77 flow [2024-11-19 09:30:32,454 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=77, PETRI_PLACES=47, PETRI_TRANSITIONS=28} [2024-11-19 09:30:32,456 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 6 predicate places. [2024-11-19 09:30:32,456 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 28 transitions, 77 flow [2024-11-19 09:30:32,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:32,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:32,456 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:32,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 09:30:32,456 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:32,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:32,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1274561474, now seen corresponding path program 1 times [2024-11-19 09:30:32,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:32,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784100847] [2024-11-19 09:30:32,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:30:32,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:30:32,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:32,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:32,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784100847] [2024-11-19 09:30:32,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784100847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:32,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:32,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 09:30:32,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911667845] [2024-11-19 09:30:32,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:32,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 09:30:32,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:32,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 09:30:32,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 09:30:32,644 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-11-19 09:30:32,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 28 transitions, 77 flow. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:32,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:32,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-11-19 09:30:32,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:32,920 INFO L124 PetriNetUnfolderBase]: 245/508 cut-off events. [2024-11-19 09:30:32,921 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-11-19 09:30:32,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1074 conditions, 508 events. 245/508 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2528 event pairs, 69 based on Foata normal form. 20/522 useless extension candidates. Maximal degree in co-relation 1062. Up to 253 conditions per place. [2024-11-19 09:30:32,923 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 25 selfloop transitions, 2 changer transitions 23/60 dead transitions. [2024-11-19 09:30:32,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 60 transitions, 253 flow [2024-11-19 09:30:32,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 09:30:32,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-19 09:30:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 143 transitions. [2024-11-19 09:30:32,924 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5375939849624061 [2024-11-19 09:30:32,924 INFO L175 Difference]: Start difference. First operand has 47 places, 28 transitions, 77 flow. Second operand 7 states and 143 transitions. [2024-11-19 09:30:32,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 60 transitions, 253 flow [2024-11-19 09:30:32,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 60 transitions, 233 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-19 09:30:32,927 INFO L231 Difference]: Finished difference. Result has 46 places, 28 transitions, 81 flow [2024-11-19 09:30:32,928 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=81, PETRI_PLACES=46, PETRI_TRANSITIONS=28} [2024-11-19 09:30:32,928 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 5 predicate places. [2024-11-19 09:30:32,928 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 28 transitions, 81 flow [2024-11-19 09:30:32,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:32,929 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:32,929 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:32,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 09:30:32,929 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:32,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:32,929 INFO L85 PathProgramCache]: Analyzing trace with hash 696225836, now seen corresponding path program 1 times [2024-11-19 09:30:32,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:32,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172232815] [2024-11-19 09:30:32,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:30:32,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:30:34,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:34,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:34,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172232815] [2024-11-19 09:30:34,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172232815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:34,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:34,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 09:30:34,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524387070] [2024-11-19 09:30:34,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:34,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 09:30:34,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:34,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 09:30:34,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 09:30:34,065 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-19 09:30:34,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 28 transitions, 81 flow. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:34,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:34,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-19 09:30:34,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:34,423 INFO L124 PetriNetUnfolderBase]: 309/652 cut-off events. [2024-11-19 09:30:34,423 INFO L125 PetriNetUnfolderBase]: For 140/141 co-relation queries the response was YES. [2024-11-19 09:30:34,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1395 conditions, 652 events. 309/652 cut-off events. For 140/141 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3279 event pairs, 52 based on Foata normal form. 16/665 useless extension candidates. Maximal degree in co-relation 1382. Up to 351 conditions per place. [2024-11-19 09:30:34,426 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 27 selfloop transitions, 8 changer transitions 21/65 dead transitions. [2024-11-19 09:30:34,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 65 transitions, 282 flow [2024-11-19 09:30:34,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 09:30:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 09:30:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 166 transitions. [2024-11-19 09:30:34,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4853801169590643 [2024-11-19 09:30:34,428 INFO L175 Difference]: Start difference. First operand has 46 places, 28 transitions, 81 flow. Second operand 9 states and 166 transitions. [2024-11-19 09:30:34,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 65 transitions, 282 flow [2024-11-19 09:30:34,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 65 transitions, 260 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-19 09:30:34,430 INFO L231 Difference]: Finished difference. Result has 50 places, 34 transitions, 145 flow [2024-11-19 09:30:34,430 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=145, PETRI_PLACES=50, PETRI_TRANSITIONS=34} [2024-11-19 09:30:34,431 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 9 predicate places. [2024-11-19 09:30:34,431 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 34 transitions, 145 flow [2024-11-19 09:30:34,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:34,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:34,431 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:34,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 09:30:34,432 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:34,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:34,432 INFO L85 PathProgramCache]: Analyzing trace with hash 2104934610, now seen corresponding path program 2 times [2024-11-19 09:30:34,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:34,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252852309] [2024-11-19 09:30:34,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:30:34,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:34,473 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 09:30:34,473 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:30:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:35,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:35,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252852309] [2024-11-19 09:30:35,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252852309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:35,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:35,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 09:30:35,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243686854] [2024-11-19 09:30:35,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:35,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 09:30:35,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:35,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 09:30:35,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 09:30:35,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-11-19 09:30:35,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 34 transitions, 145 flow. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:35,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:35,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-11-19 09:30:35,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:35,979 INFO L124 PetriNetUnfolderBase]: 487/916 cut-off events. [2024-11-19 09:30:35,979 INFO L125 PetriNetUnfolderBase]: For 1050/1102 co-relation queries the response was YES. [2024-11-19 09:30:35,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2802 conditions, 916 events. 487/916 cut-off events. For 1050/1102 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4478 event pairs, 58 based on Foata normal form. 42/952 useless extension candidates. Maximal degree in co-relation 2787. Up to 590 conditions per place. [2024-11-19 09:30:35,984 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 55 selfloop transitions, 21 changer transitions 31/114 dead transitions. [2024-11-19 09:30:35,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 114 transitions, 704 flow [2024-11-19 09:30:35,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 09:30:35,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 09:30:35,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 255 transitions. [2024-11-19 09:30:35,986 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4473684210526316 [2024-11-19 09:30:35,986 INFO L175 Difference]: Start difference. First operand has 50 places, 34 transitions, 145 flow. Second operand 15 states and 255 transitions. [2024-11-19 09:30:35,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 114 transitions, 704 flow [2024-11-19 09:30:35,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 114 transitions, 687 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-19 09:30:35,991 INFO L231 Difference]: Finished difference. Result has 66 places, 52 transitions, 342 flow [2024-11-19 09:30:35,992 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=342, PETRI_PLACES=66, PETRI_TRANSITIONS=52} [2024-11-19 09:30:35,993 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 25 predicate places. [2024-11-19 09:30:35,993 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 52 transitions, 342 flow [2024-11-19 09:30:35,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:35,994 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:35,994 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:35,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 09:30:35,994 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:35,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:35,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1577024779, now seen corresponding path program 1 times [2024-11-19 09:30:35,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:35,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388517243] [2024-11-19 09:30:35,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:30:35,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:30:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:36,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:36,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388517243] [2024-11-19 09:30:36,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388517243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:36,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:36,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 09:30:36,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333447885] [2024-11-19 09:30:36,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:36,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 09:30:36,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:36,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 09:30:36,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 09:30:36,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-11-19 09:30:36,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 52 transitions, 342 flow. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:36,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:36,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-11-19 09:30:36,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:37,235 INFO L124 PetriNetUnfolderBase]: 569/1011 cut-off events. [2024-11-19 09:30:37,236 INFO L125 PetriNetUnfolderBase]: For 2633/2667 co-relation queries the response was YES. [2024-11-19 09:30:37,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3872 conditions, 1011 events. 569/1011 cut-off events. For 2633/2667 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 5012 event pairs, 30 based on Foata normal form. 45/1052 useless extension candidates. Maximal degree in co-relation 3849. Up to 407 conditions per place. [2024-11-19 09:30:37,243 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 66 selfloop transitions, 34 changer transitions 36/145 dead transitions. [2024-11-19 09:30:37,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 145 transitions, 1180 flow [2024-11-19 09:30:37,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 09:30:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 09:30:37,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 259 transitions. [2024-11-19 09:30:37,245 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4543859649122807 [2024-11-19 09:30:37,246 INFO L175 Difference]: Start difference. First operand has 66 places, 52 transitions, 342 flow. Second operand 15 states and 259 transitions. [2024-11-19 09:30:37,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 145 transitions, 1180 flow [2024-11-19 09:30:37,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 145 transitions, 1038 flow, removed 58 selfloop flow, removed 7 redundant places. [2024-11-19 09:30:37,255 INFO L231 Difference]: Finished difference. Result has 80 places, 79 transitions, 636 flow [2024-11-19 09:30:37,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=636, PETRI_PLACES=80, PETRI_TRANSITIONS=79} [2024-11-19 09:30:37,256 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 39 predicate places. [2024-11-19 09:30:37,256 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 79 transitions, 636 flow [2024-11-19 09:30:37,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:37,256 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:37,256 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:37,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 09:30:37,256 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:37,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:37,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1487003437, now seen corresponding path program 1 times [2024-11-19 09:30:37,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:37,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280380409] [2024-11-19 09:30:37,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:30:37,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:30:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:37,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:37,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280380409] [2024-11-19 09:30:37,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280380409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:37,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:37,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 09:30:37,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007248554] [2024-11-19 09:30:37,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:37,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 09:30:37,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:37,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 09:30:37,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 09:30:37,782 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-11-19 09:30:37,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 79 transitions, 636 flow. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:37,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:37,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-11-19 09:30:37,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:38,075 INFO L124 PetriNetUnfolderBase]: 581/1077 cut-off events. [2024-11-19 09:30:38,076 INFO L125 PetriNetUnfolderBase]: For 5435/5533 co-relation queries the response was YES. [2024-11-19 09:30:38,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4916 conditions, 1077 events. 581/1077 cut-off events. For 5435/5533 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5554 event pairs, 54 based on Foata normal form. 102/1178 useless extension candidates. Maximal degree in co-relation 4885. Up to 595 conditions per place. [2024-11-19 09:30:38,083 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 100 selfloop transitions, 8 changer transitions 2/116 dead transitions. [2024-11-19 09:30:38,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 116 transitions, 1156 flow [2024-11-19 09:30:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 09:30:38,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-19 09:30:38,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 96 transitions. [2024-11-19 09:30:38,084 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5052631578947369 [2024-11-19 09:30:38,084 INFO L175 Difference]: Start difference. First operand has 80 places, 79 transitions, 636 flow. Second operand 5 states and 96 transitions. [2024-11-19 09:30:38,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 116 transitions, 1156 flow [2024-11-19 09:30:38,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 116 transitions, 1053 flow, removed 50 selfloop flow, removed 7 redundant places. [2024-11-19 09:30:38,097 INFO L231 Difference]: Finished difference. Result has 72 places, 73 transitions, 559 flow [2024-11-19 09:30:38,098 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=559, PETRI_PLACES=72, PETRI_TRANSITIONS=73} [2024-11-19 09:30:38,098 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 31 predicate places. [2024-11-19 09:30:38,098 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 73 transitions, 559 flow [2024-11-19 09:30:38,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:38,099 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:38,099 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:38,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 09:30:38,099 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:38,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:38,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1387541963, now seen corresponding path program 2 times [2024-11-19 09:30:38,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:38,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037566492] [2024-11-19 09:30:38,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:30:38,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:38,121 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 09:30:38,121 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:30:38,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:38,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:38,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037566492] [2024-11-19 09:30:38,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037566492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:38,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:38,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 09:30:38,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314427945] [2024-11-19 09:30:38,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:38,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 09:30:38,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:38,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 09:30:38,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 09:30:38,545 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-19 09:30:38,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 73 transitions, 559 flow. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:38,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:38,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-19 09:30:38,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:38,876 INFO L124 PetriNetUnfolderBase]: 443/913 cut-off events. [2024-11-19 09:30:38,876 INFO L125 PetriNetUnfolderBase]: For 3015/3071 co-relation queries the response was YES. [2024-11-19 09:30:38,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3784 conditions, 913 events. 443/913 cut-off events. For 3015/3071 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4983 event pairs, 69 based on Foata normal form. 58/967 useless extension candidates. Maximal degree in co-relation 3755. Up to 391 conditions per place. [2024-11-19 09:30:38,882 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 67 selfloop transitions, 38 changer transitions 14/133 dead transitions. [2024-11-19 09:30:38,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 133 transitions, 1184 flow [2024-11-19 09:30:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 09:30:38,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 09:30:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 225 transitions. [2024-11-19 09:30:38,884 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4934210526315789 [2024-11-19 09:30:38,884 INFO L175 Difference]: Start difference. First operand has 72 places, 73 transitions, 559 flow. Second operand 12 states and 225 transitions. [2024-11-19 09:30:38,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 133 transitions, 1184 flow [2024-11-19 09:30:38,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 133 transitions, 1121 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-11-19 09:30:38,893 INFO L231 Difference]: Finished difference. Result has 84 places, 92 transitions, 840 flow [2024-11-19 09:30:38,893 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=840, PETRI_PLACES=84, PETRI_TRANSITIONS=92} [2024-11-19 09:30:38,894 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 43 predicate places. [2024-11-19 09:30:38,894 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 92 transitions, 840 flow [2024-11-19 09:30:38,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:38,895 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:38,895 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:38,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 09:30:38,895 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:38,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:38,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1688336125, now seen corresponding path program 2 times [2024-11-19 09:30:38,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:38,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141574584] [2024-11-19 09:30:38,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:30:38,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:38,928 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 09:30:38,928 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:30:40,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:40,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:40,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141574584] [2024-11-19 09:30:40,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141574584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:40,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:40,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 09:30:40,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50463169] [2024-11-19 09:30:40,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:40,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 09:30:40,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:40,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 09:30:40,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-19 09:30:40,177 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-19 09:30:40,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 92 transitions, 840 flow. Second operand has 11 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:40,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:40,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-19 09:30:40,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:40,610 INFO L124 PetriNetUnfolderBase]: 401/828 cut-off events. [2024-11-19 09:30:40,611 INFO L125 PetriNetUnfolderBase]: For 2929/2989 co-relation queries the response was YES. [2024-11-19 09:30:40,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3672 conditions, 828 events. 401/828 cut-off events. For 2929/2989 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4368 event pairs, 53 based on Foata normal form. 33/854 useless extension candidates. Maximal degree in co-relation 3639. Up to 516 conditions per place. [2024-11-19 09:30:40,617 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 74 selfloop transitions, 26 changer transitions 13/127 dead transitions. [2024-11-19 09:30:40,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 127 transitions, 1283 flow [2024-11-19 09:30:40,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 09:30:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 09:30:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 180 transitions. [2024-11-19 09:30:40,618 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2024-11-19 09:30:40,618 INFO L175 Difference]: Start difference. First operand has 84 places, 92 transitions, 840 flow. Second operand 10 states and 180 transitions. [2024-11-19 09:30:40,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 127 transitions, 1283 flow [2024-11-19 09:30:40,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 127 transitions, 1256 flow, removed 12 selfloop flow, removed 3 redundant places. [2024-11-19 09:30:40,629 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 957 flow [2024-11-19 09:30:40,630 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=957, PETRI_PLACES=93, PETRI_TRANSITIONS=97} [2024-11-19 09:30:40,633 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 52 predicate places. [2024-11-19 09:30:40,633 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 957 flow [2024-11-19 09:30:40,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:40,633 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:40,633 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:40,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 09:30:40,633 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:40,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:40,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1604395185, now seen corresponding path program 3 times [2024-11-19 09:30:40,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:40,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076338366] [2024-11-19 09:30:40,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 09:30:40,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:40,668 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 09:30:40,669 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:30:41,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:41,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:41,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076338366] [2024-11-19 09:30:41,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076338366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:41,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:41,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 09:30:41,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859691509] [2024-11-19 09:30:41,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:41,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 09:30:41,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:41,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 09:30:41,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 09:30:41,465 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-19 09:30:41,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 97 transitions, 957 flow. Second operand has 11 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:41,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:41,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-19 09:30:41,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:41,999 INFO L124 PetriNetUnfolderBase]: 478/969 cut-off events. [2024-11-19 09:30:41,999 INFO L125 PetriNetUnfolderBase]: For 4695/4747 co-relation queries the response was YES. [2024-11-19 09:30:42,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4533 conditions, 969 events. 478/969 cut-off events. For 4695/4747 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5341 event pairs, 42 based on Foata normal form. 58/1018 useless extension candidates. Maximal degree in co-relation 4495. Up to 347 conditions per place. [2024-11-19 09:30:42,006 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 67 selfloop transitions, 50 changer transitions 32/161 dead transitions. [2024-11-19 09:30:42,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 161 transitions, 1672 flow [2024-11-19 09:30:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 09:30:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 09:30:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 261 transitions. [2024-11-19 09:30:42,008 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4906015037593985 [2024-11-19 09:30:42,008 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 957 flow. Second operand 14 states and 261 transitions. [2024-11-19 09:30:42,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 161 transitions, 1672 flow [2024-11-19 09:30:42,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 161 transitions, 1605 flow, removed 17 selfloop flow, removed 7 redundant places. [2024-11-19 09:30:42,022 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 1139 flow [2024-11-19 09:30:42,022 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1139, PETRI_PLACES=102, PETRI_TRANSITIONS=100} [2024-11-19 09:30:42,022 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 61 predicate places. [2024-11-19 09:30:42,023 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 1139 flow [2024-11-19 09:30:42,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:42,023 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:42,024 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:42,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 09:30:42,025 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:42,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:42,026 INFO L85 PathProgramCache]: Analyzing trace with hash -756022767, now seen corresponding path program 4 times [2024-11-19 09:30:42,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:42,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047723603] [2024-11-19 09:30:42,026 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 09:30:42,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:42,095 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 09:30:42,095 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:30:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:42,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:42,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047723603] [2024-11-19 09:30:42,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047723603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:42,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:42,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:30:42,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706424850] [2024-11-19 09:30:42,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:42,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:30:42,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:42,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:30:42,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:30:42,209 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 38 [2024-11-19 09:30:42,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 1139 flow. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:42,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:42,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 38 [2024-11-19 09:30:42,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:42,387 INFO L124 PetriNetUnfolderBase]: 393/769 cut-off events. [2024-11-19 09:30:42,387 INFO L125 PetriNetUnfolderBase]: For 5220/5302 co-relation queries the response was YES. [2024-11-19 09:30:42,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3760 conditions, 769 events. 393/769 cut-off events. For 5220/5302 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3678 event pairs, 75 based on Foata normal form. 76/830 useless extension candidates. Maximal degree in co-relation 3719. Up to 319 conditions per place. [2024-11-19 09:30:42,393 INFO L140 encePairwiseOnDemand]: 33/38 looper letters, 82 selfloop transitions, 5 changer transitions 1/98 dead transitions. [2024-11-19 09:30:42,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 98 transitions, 1212 flow [2024-11-19 09:30:42,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:30:42,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 09:30:42,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 88 transitions. [2024-11-19 09:30:42,394 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5789473684210527 [2024-11-19 09:30:42,394 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 1139 flow. Second operand 4 states and 88 transitions. [2024-11-19 09:30:42,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 98 transitions, 1212 flow [2024-11-19 09:30:42,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 98 transitions, 1084 flow, removed 22 selfloop flow, removed 17 redundant places. [2024-11-19 09:30:42,407 INFO L231 Difference]: Finished difference. Result has 87 places, 72 transitions, 691 flow [2024-11-19 09:30:42,407 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=691, PETRI_PLACES=87, PETRI_TRANSITIONS=72} [2024-11-19 09:30:42,409 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 46 predicate places. [2024-11-19 09:30:42,409 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 72 transitions, 691 flow [2024-11-19 09:30:42,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:42,409 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:42,409 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:42,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 09:30:42,409 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:42,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:42,410 INFO L85 PathProgramCache]: Analyzing trace with hash 876861739, now seen corresponding path program 1 times [2024-11-19 09:30:42,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:42,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087050152] [2024-11-19 09:30:42,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:30:42,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:30:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:43,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:43,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087050152] [2024-11-19 09:30:43,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087050152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:43,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:43,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 09:30:43,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260110988] [2024-11-19 09:30:43,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:43,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 09:30:43,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:43,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 09:30:43,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-19 09:30:43,983 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-19 09:30:43,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 72 transitions, 691 flow. Second operand has 11 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:43,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:43,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-19 09:30:43,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:44,397 INFO L124 PetriNetUnfolderBase]: 275/604 cut-off events. [2024-11-19 09:30:44,397 INFO L125 PetriNetUnfolderBase]: For 2988/3019 co-relation queries the response was YES. [2024-11-19 09:30:44,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2780 conditions, 604 events. 275/604 cut-off events. For 2988/3019 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2886 event pairs, 64 based on Foata normal form. 18/612 useless extension candidates. Maximal degree in co-relation 2747. Up to 345 conditions per place. [2024-11-19 09:30:44,401 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 58 selfloop transitions, 20 changer transitions 13/103 dead transitions. [2024-11-19 09:30:44,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 103 transitions, 1068 flow [2024-11-19 09:30:44,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 09:30:44,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 09:30:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 181 transitions. [2024-11-19 09:30:44,403 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4763157894736842 [2024-11-19 09:30:44,403 INFO L175 Difference]: Start difference. First operand has 87 places, 72 transitions, 691 flow. Second operand 10 states and 181 transitions. [2024-11-19 09:30:44,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 103 transitions, 1068 flow [2024-11-19 09:30:44,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 103 transitions, 1016 flow, removed 16 selfloop flow, removed 5 redundant places. [2024-11-19 09:30:44,410 INFO L231 Difference]: Finished difference. Result has 96 places, 74 transitions, 739 flow [2024-11-19 09:30:44,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=657, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=739, PETRI_PLACES=96, PETRI_TRANSITIONS=74} [2024-11-19 09:30:44,411 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 55 predicate places. [2024-11-19 09:30:44,411 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 74 transitions, 739 flow [2024-11-19 09:30:44,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.363636363636363) internal successors, (147), 11 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:44,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:44,411 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:44,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 09:30:44,411 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:44,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:44,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1946852274, now seen corresponding path program 1 times [2024-11-19 09:30:44,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:44,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243675480] [2024-11-19 09:30:44,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:30:44,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:30:45,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:45,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:45,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243675480] [2024-11-19 09:30:45,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243675480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:45,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:45,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 09:30:45,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876744513] [2024-11-19 09:30:45,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:45,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 09:30:45,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:45,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 09:30:45,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 09:30:45,687 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-19 09:30:45,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 74 transitions, 739 flow. Second operand has 10 states, 10 states have (on average 13.6) internal successors, (136), 10 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:45,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:45,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-19 09:30:45,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:46,262 INFO L124 PetriNetUnfolderBase]: 287/628 cut-off events. [2024-11-19 09:30:46,263 INFO L125 PetriNetUnfolderBase]: For 3481/3509 co-relation queries the response was YES. [2024-11-19 09:30:46,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2929 conditions, 628 events. 287/628 cut-off events. For 3481/3509 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3083 event pairs, 87 based on Foata normal form. 24/639 useless extension candidates. Maximal degree in co-relation 2893. Up to 306 conditions per place. [2024-11-19 09:30:46,267 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 62 selfloop transitions, 17 changer transitions 17/108 dead transitions. [2024-11-19 09:30:46,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 108 transitions, 1114 flow [2024-11-19 09:30:46,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 09:30:46,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 09:30:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 211 transitions. [2024-11-19 09:30:46,269 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46271929824561403 [2024-11-19 09:30:46,269 INFO L175 Difference]: Start difference. First operand has 96 places, 74 transitions, 739 flow. Second operand 12 states and 211 transitions. [2024-11-19 09:30:46,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 108 transitions, 1114 flow [2024-11-19 09:30:46,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 108 transitions, 1057 flow, removed 11 selfloop flow, removed 8 redundant places. [2024-11-19 09:30:46,276 INFO L231 Difference]: Finished difference. Result has 99 places, 72 transitions, 725 flow [2024-11-19 09:30:46,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=725, PETRI_PLACES=99, PETRI_TRANSITIONS=72} [2024-11-19 09:30:46,277 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 58 predicate places. [2024-11-19 09:30:46,277 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 72 transitions, 725 flow [2024-11-19 09:30:46,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.6) internal successors, (136), 10 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:46,278 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:46,278 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:46,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 09:30:46,278 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:46,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:46,279 INFO L85 PathProgramCache]: Analyzing trace with hash -2048567352, now seen corresponding path program 2 times [2024-11-19 09:30:46,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:46,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325590119] [2024-11-19 09:30:46,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:30:46,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:46,310 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 09:30:46,311 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:30:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:46,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:46,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325590119] [2024-11-19 09:30:46,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325590119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:46,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:46,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 09:30:46,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552023039] [2024-11-19 09:30:46,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:46,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 09:30:46,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:46,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 09:30:46,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 09:30:46,981 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-19 09:30:46,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 72 transitions, 725 flow. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:46,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:46,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-19 09:30:46,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:47,408 INFO L124 PetriNetUnfolderBase]: 337/724 cut-off events. [2024-11-19 09:30:47,409 INFO L125 PetriNetUnfolderBase]: For 4416/4440 co-relation queries the response was YES. [2024-11-19 09:30:47,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3362 conditions, 724 events. 337/724 cut-off events. For 4416/4440 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3722 event pairs, 118 based on Foata normal form. 30/736 useless extension candidates. Maximal degree in co-relation 3327. Up to 303 conditions per place. [2024-11-19 09:30:47,414 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 42 selfloop transitions, 24 changer transitions 27/104 dead transitions. [2024-11-19 09:30:47,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 104 transitions, 1141 flow [2024-11-19 09:30:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 09:30:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 09:30:47,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 172 transitions. [2024-11-19 09:30:47,415 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5029239766081871 [2024-11-19 09:30:47,415 INFO L175 Difference]: Start difference. First operand has 99 places, 72 transitions, 725 flow. Second operand 9 states and 172 transitions. [2024-11-19 09:30:47,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 104 transitions, 1141 flow [2024-11-19 09:30:47,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 104 transitions, 1099 flow, removed 8 selfloop flow, removed 9 redundant places. [2024-11-19 09:30:47,424 INFO L231 Difference]: Finished difference. Result has 98 places, 66 transitions, 734 flow [2024-11-19 09:30:47,424 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=689, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=734, PETRI_PLACES=98, PETRI_TRANSITIONS=66} [2024-11-19 09:30:47,425 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 57 predicate places. [2024-11-19 09:30:47,425 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 66 transitions, 734 flow [2024-11-19 09:30:47,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:47,425 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:47,425 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:47,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 09:30:47,426 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:47,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:47,426 INFO L85 PathProgramCache]: Analyzing trace with hash -78321740, now seen corresponding path program 3 times [2024-11-19 09:30:47,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:47,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40194619] [2024-11-19 09:30:47,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 09:30:47,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:47,454 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 09:30:47,455 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:30:48,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:48,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:48,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40194619] [2024-11-19 09:30:48,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40194619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:48,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:48,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 09:30:48,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761774183] [2024-11-19 09:30:48,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:48,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 09:30:48,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:48,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 09:30:48,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-19 09:30:48,486 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-19 09:30:48,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 66 transitions, 734 flow. Second operand has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 11 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:48,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:48,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-19 09:30:48,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:48,932 INFO L124 PetriNetUnfolderBase]: 316/681 cut-off events. [2024-11-19 09:30:48,932 INFO L125 PetriNetUnfolderBase]: For 5584/5606 co-relation queries the response was YES. [2024-11-19 09:30:48,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3440 conditions, 681 events. 316/681 cut-off events. For 5584/5606 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3471 event pairs, 98 based on Foata normal form. 24/685 useless extension candidates. Maximal degree in co-relation 3403. Up to 229 conditions per place. [2024-11-19 09:30:48,937 INFO L140 encePairwiseOnDemand]: 29/38 looper letters, 37 selfloop transitions, 15 changer transitions 38/101 dead transitions. [2024-11-19 09:30:48,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 101 transitions, 1227 flow [2024-11-19 09:30:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 09:30:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-19 09:30:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 192 transitions. [2024-11-19 09:30:48,939 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45933014354066987 [2024-11-19 09:30:48,939 INFO L175 Difference]: Start difference. First operand has 98 places, 66 transitions, 734 flow. Second operand 11 states and 192 transitions. [2024-11-19 09:30:48,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 101 transitions, 1227 flow [2024-11-19 09:30:48,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 101 transitions, 1041 flow, removed 60 selfloop flow, removed 13 redundant places. [2024-11-19 09:30:48,949 INFO L231 Difference]: Finished difference. Result has 94 places, 57 transitions, 575 flow [2024-11-19 09:30:48,949 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=575, PETRI_PLACES=94, PETRI_TRANSITIONS=57} [2024-11-19 09:30:48,949 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 53 predicate places. [2024-11-19 09:30:48,950 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 57 transitions, 575 flow [2024-11-19 09:30:48,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 11 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:48,950 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:48,950 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:48,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 09:30:48,950 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:48,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:48,951 INFO L85 PathProgramCache]: Analyzing trace with hash -2041892736, now seen corresponding path program 1 times [2024-11-19 09:30:48,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:48,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511352885] [2024-11-19 09:30:48,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:30:48,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:30:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:49,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:49,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511352885] [2024-11-19 09:30:49,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511352885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:49,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:49,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 09:30:49,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737125118] [2024-11-19 09:30:49,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:49,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 09:30:49,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:49,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 09:30:49,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 09:30:49,257 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 38 [2024-11-19 09:30:49,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 57 transitions, 575 flow. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:49,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:49,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 38 [2024-11-19 09:30:49,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:49,450 INFO L124 PetriNetUnfolderBase]: 261/579 cut-off events. [2024-11-19 09:30:49,451 INFO L125 PetriNetUnfolderBase]: For 4196/4207 co-relation queries the response was YES. [2024-11-19 09:30:49,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2771 conditions, 579 events. 261/579 cut-off events. For 4196/4207 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2832 event pairs, 128 based on Foata normal form. 22/589 useless extension candidates. Maximal degree in co-relation 2735. Up to 219 conditions per place. [2024-11-19 09:30:49,454 INFO L140 encePairwiseOnDemand]: 32/38 looper letters, 22 selfloop transitions, 4 changer transitions 38/77 dead transitions. [2024-11-19 09:30:49,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 77 transitions, 873 flow [2024-11-19 09:30:49,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 09:30:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 09:30:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 119 transitions. [2024-11-19 09:30:49,455 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5219298245614035 [2024-11-19 09:30:49,455 INFO L175 Difference]: Start difference. First operand has 94 places, 57 transitions, 575 flow. Second operand 6 states and 119 transitions. [2024-11-19 09:30:49,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 77 transitions, 873 flow [2024-11-19 09:30:49,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 77 transitions, 726 flow, removed 41 selfloop flow, removed 16 redundant places. [2024-11-19 09:30:49,462 INFO L231 Difference]: Finished difference. Result has 79 places, 38 transitions, 262 flow [2024-11-19 09:30:49,462 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=262, PETRI_PLACES=79, PETRI_TRANSITIONS=38} [2024-11-19 09:30:49,462 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 38 predicate places. [2024-11-19 09:30:49,462 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 38 transitions, 262 flow [2024-11-19 09:30:49,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:49,462 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:49,463 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:49,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 09:30:49,463 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:49,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:49,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1778151120, now seen corresponding path program 2 times [2024-11-19 09:30:49,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:49,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512881759] [2024-11-19 09:30:49,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:30:49,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:49,480 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 09:30:49,480 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:30:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:49,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:49,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512881759] [2024-11-19 09:30:49,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512881759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:49,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:49,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 09:30:49,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613825770] [2024-11-19 09:30:49,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:49,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 09:30:49,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:49,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 09:30:49,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 09:30:49,987 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-19 09:30:49,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 38 transitions, 262 flow. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:49,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:49,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-19 09:30:49,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:50,228 INFO L124 PetriNetUnfolderBase]: 148/351 cut-off events. [2024-11-19 09:30:50,228 INFO L125 PetriNetUnfolderBase]: For 952/954 co-relation queries the response was YES. [2024-11-19 09:30:50,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1281 conditions, 351 events. 148/351 cut-off events. For 952/954 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1520 event pairs, 79 based on Foata normal form. 12/353 useless extension candidates. Maximal degree in co-relation 1255. Up to 122 conditions per place. [2024-11-19 09:30:50,232 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 20 selfloop transitions, 6 changer transitions 19/56 dead transitions. [2024-11-19 09:30:50,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 56 transitions, 453 flow [2024-11-19 09:30:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 09:30:50,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-19 09:30:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 137 transitions. [2024-11-19 09:30:50,233 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4506578947368421 [2024-11-19 09:30:50,233 INFO L175 Difference]: Start difference. First operand has 79 places, 38 transitions, 262 flow. Second operand 8 states and 137 transitions. [2024-11-19 09:30:50,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 56 transitions, 453 flow [2024-11-19 09:30:50,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 56 transitions, 364 flow, removed 18 selfloop flow, removed 16 redundant places. [2024-11-19 09:30:50,236 INFO L231 Difference]: Finished difference. Result has 67 places, 34 transitions, 177 flow [2024-11-19 09:30:50,236 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=177, PETRI_PLACES=67, PETRI_TRANSITIONS=34} [2024-11-19 09:30:50,237 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 26 predicate places. [2024-11-19 09:30:50,237 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 34 transitions, 177 flow [2024-11-19 09:30:50,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:50,237 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 09:30:50,237 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:50,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 09:30:50,238 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-19 09:30:50,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:30:50,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1688046619, now seen corresponding path program 1 times [2024-11-19 09:30:50,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:30:50,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089347361] [2024-11-19 09:30:50,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:30:50,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:30:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:30:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:30:50,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:30:50,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089347361] [2024-11-19 09:30:50,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089347361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:30:50,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:30:50,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 09:30:50,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228764349] [2024-11-19 09:30:50,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:30:50,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 09:30:50,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:30:50,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 09:30:50,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 09:30:50,906 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 38 [2024-11-19 09:30:50,907 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 34 transitions, 177 flow. Second operand has 10 states, 10 states have (on average 13.7) internal successors, (137), 10 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:50,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 09:30:50,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 38 [2024-11-19 09:30:50,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 09:30:51,146 INFO L124 PetriNetUnfolderBase]: 68/167 cut-off events. [2024-11-19 09:30:51,147 INFO L125 PetriNetUnfolderBase]: For 201/203 co-relation queries the response was YES. [2024-11-19 09:30:51,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 529 conditions, 167 events. 68/167 cut-off events. For 201/203 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 532 event pairs, 17 based on Foata normal form. 8/172 useless extension candidates. Maximal degree in co-relation 511. Up to 66 conditions per place. [2024-11-19 09:30:51,148 INFO L140 encePairwiseOnDemand]: 30/38 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions. [2024-11-19 09:30:51,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 42 transitions, 257 flow [2024-11-19 09:30:51,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 09:30:51,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 09:30:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 139 transitions. [2024-11-19 09:30:51,151 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4064327485380117 [2024-11-19 09:30:51,151 INFO L175 Difference]: Start difference. First operand has 67 places, 34 transitions, 177 flow. Second operand 9 states and 139 transitions. [2024-11-19 09:30:51,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 42 transitions, 257 flow [2024-11-19 09:30:51,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 42 transitions, 213 flow, removed 8 selfloop flow, removed 12 redundant places. [2024-11-19 09:30:51,152 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2024-11-19 09:30:51,152 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2024-11-19 09:30:51,152 INFO L277 CegarLoopForPetriNet]: 41 programPoint places, 17 predicate places. [2024-11-19 09:30:51,152 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2024-11-19 09:30:51,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 10 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:30:51,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-19 09:30:51,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-19 09:30:51,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-19 09:30:51,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-19 09:30:51,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-19 09:30:51,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-19 09:30:51,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 09:30:51,158 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 09:30:51,162 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 09:30:51,163 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 09:30:51,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:30:51 BasicIcfg [2024-11-19 09:30:51,168 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 09:30:51,169 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 09:30:51,169 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 09:30:51,169 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 09:30:51,169 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:30:30" (3/4) ... [2024-11-19 09:30:51,170 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 09:30:51,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-19 09:30:51,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-19 09:30:51,178 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2024-11-19 09:30:51,179 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-19 09:30:51,179 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 09:30:51,179 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 09:30:51,255 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 09:30:51,255 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 09:30:51,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 09:30:51,256 INFO L158 Benchmark]: Toolchain (without parser) took 22020.21ms. Allocated memory was 132.1MB in the beginning and 899.7MB in the end (delta: 767.6MB). Free memory was 75.4MB in the beginning and 602.6MB in the end (delta: -527.2MB). Peak memory consumption was 242.5MB. Max. memory is 16.1GB. [2024-11-19 09:30:51,256 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 09:30:51,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 561.33ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 75.0MB in the beginning and 126.9MB in the end (delta: -51.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-19 09:30:51,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.64ms. Allocated memory is still 172.0MB. Free memory was 126.9MB in the beginning and 123.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 09:30:51,256 INFO L158 Benchmark]: Boogie Preprocessor took 63.98ms. Allocated memory is still 172.0MB. Free memory was 123.7MB in the beginning and 119.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 09:30:51,257 INFO L158 Benchmark]: RCFGBuilder took 716.79ms. Allocated memory is still 172.0MB. Free memory was 119.5MB in the beginning and 116.3MB in the end (delta: 3.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-19 09:30:51,257 INFO L158 Benchmark]: TraceAbstraction took 20527.08ms. Allocated memory was 172.0MB in the beginning and 899.7MB in the end (delta: 727.7MB). Free memory was 116.3MB in the beginning and 607.8MB in the end (delta: -491.5MB). Peak memory consumption was 238.3MB. Max. memory is 16.1GB. [2024-11-19 09:30:51,257 INFO L158 Benchmark]: Witness Printer took 86.50ms. Allocated memory is still 899.7MB. Free memory was 607.8MB in the beginning and 602.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 09:30:51,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 561.33ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 75.0MB in the beginning and 126.9MB in the end (delta: -51.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.64ms. Allocated memory is still 172.0MB. Free memory was 126.9MB in the beginning and 123.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.98ms. Allocated memory is still 172.0MB. Free memory was 123.7MB in the beginning and 119.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 716.79ms. Allocated memory is still 172.0MB. Free memory was 119.5MB in the beginning and 116.3MB in the end (delta: 3.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 20527.08ms. Allocated memory was 172.0MB in the beginning and 899.7MB in the end (delta: 727.7MB). Free memory was 116.3MB in the beginning and 607.8MB in the end (delta: -491.5MB). Peak memory consumption was 238.3MB. Max. memory is 16.1GB. * Witness Printer took 86.50ms. Allocated memory is still 899.7MB. Free memory was 607.8MB in the beginning and 602.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 834]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 57 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 20.4s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 890 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 853 mSDsluCounter, 363 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 320 mSDsCounter, 251 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3214 IncrementalHoareTripleChecker+Invalid, 3465 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 251 mSolverCounterUnsat, 43 mSDtfsCounter, 3214 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 227 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1139occurred in iteration=11, InterpolantAutomatonStates: 170, 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, 0.6s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 391 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 4113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 09:30:51,280 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