./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/mix057_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c7c6ca5d 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/mix057_power.oepc_pso.oepc_rmo.oepc.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 649d1c1aa65cb6010503451d39379fb2c9cafcc7e0f5f23661f58b5d14c46288 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 10:31:52,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 10:31:52,633 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-09 10:31:52,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 10:31:52,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 10:31:52,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 10:31:52,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 10:31:52,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 10:31:52,668 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 10:31:52,669 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 10:31:52,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 10:31:52,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 10:31:52,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 10:31:52,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 10:31:52,672 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 10:31:52,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 10:31:52,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 10:31:52,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 10:31:52,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 10:31:52,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 10:31:52,674 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 10:31:52,676 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 10:31:52,676 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 10:31:52,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 10:31:52,677 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 10:31:52,677 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 10:31:52,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 10:31:52,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 10:31:52,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 10:31:52,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 10:31:52,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 10:31:52,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 10:31:52,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 10:31:52,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:31:52,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 10:31:52,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 10:31:52,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 10:31:52,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 10:31:52,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 10:31:52,684 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 10:31:52,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 10:31:52,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 10:31:52,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 649d1c1aa65cb6010503451d39379fb2c9cafcc7e0f5f23661f58b5d14c46288 [2024-11-09 10:31:52,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 10:31:52,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 10:31:52,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 10:31:52,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 10:31:52,997 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 10:31:52,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix057_power.oepc_pso.oepc_rmo.oepc.i [2024-11-09 10:31:54,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 10:31:54,736 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 10:31:54,739 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix057_power.oepc_pso.oepc_rmo.oepc.i [2024-11-09 10:31:54,759 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/134f40db4/362e29f3f11a40c9b66d7a9028a7cbf1/FLAG14b85d74c [2024-11-09 10:31:54,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/134f40db4/362e29f3f11a40c9b66d7a9028a7cbf1 [2024-11-09 10:31:54,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 10:31:54,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 10:31:54,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 10:31:54,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 10:31:54,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 10:31:54,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:31:54" (1/1) ... [2024-11-09 10:31:54,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a628a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:54, skipping insertion in model container [2024-11-09 10:31:54,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:31:54" (1/1) ... [2024-11-09 10:31:54,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 10:31:55,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:31:55,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 10:31:55,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:31:55,431 INFO L204 MainTranslator]: Completed translation [2024-11-09 10:31:55,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55 WrapperNode [2024-11-09 10:31:55,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 10:31:55,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 10:31:55,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 10:31:55,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 10:31:55,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (1/1) ... [2024-11-09 10:31:55,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (1/1) ... [2024-11-09 10:31:55,509 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 129 [2024-11-09 10:31:55,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 10:31:55,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 10:31:55,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 10:31:55,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 10:31:55,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (1/1) ... [2024-11-09 10:31:55,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (1/1) ... [2024-11-09 10:31:55,533 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (1/1) ... [2024-11-09 10:31:55,562 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]. [2024-11-09 10:31:55,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (1/1) ... [2024-11-09 10:31:55,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (1/1) ... [2024-11-09 10:31:55,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (1/1) ... [2024-11-09 10:31:55,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (1/1) ... [2024-11-09 10:31:55,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (1/1) ... [2024-11-09 10:31:55,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (1/1) ... [2024-11-09 10:31:55,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 10:31:55,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 10:31:55,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 10:31:55,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 10:31:55,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (1/1) ... [2024-11-09 10:31:55,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:31:55,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 10:31:55,637 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) [2024-11-09 10:31:55,640 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 [2024-11-09 10:31:55,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 10:31:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 10:31:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 10:31:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 10:31:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 10:31:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 10:31:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 10:31:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 10:31:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-09 10:31:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-09 10:31:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 10:31:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 10:31:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 10:31:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 10:31:55,720 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 10:31:55,888 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 10:31:55,890 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 10:31:56,264 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 10:31:56,264 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 10:31:56,474 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 10:31:56,474 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 10:31:56,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:31:56 BoogieIcfgContainer [2024-11-09 10:31:56,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 10:31:56,477 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 10:31:56,477 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 10:31:56,481 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 10:31:56,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:31:54" (1/3) ... [2024-11-09 10:31:56,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe32d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:31:56, skipping insertion in model container [2024-11-09 10:31:56,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:31:55" (2/3) ... [2024-11-09 10:31:56,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe32d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:31:56, skipping insertion in model container [2024-11-09 10:31:56,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:31:56" (3/3) ... [2024-11-09 10:31:56,485 INFO L112 eAbstractionObserver]: Analyzing ICFG mix057_power.oepc_pso.oepc_rmo.oepc.i [2024-11-09 10:31:56,512 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 10:31:56,513 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-09 10:31:56,513 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 10:31:56,571 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 10:31:56,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 53 transitions, 122 flow [2024-11-09 10:31:56,637 INFO L124 PetriNetUnfolderBase]: 2/49 cut-off events. [2024-11-09 10:31:56,637 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:31:56,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 49 events. 2/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2024-11-09 10:31:56,644 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 53 transitions, 122 flow [2024-11-09 10:31:56,648 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 49 transitions, 110 flow [2024-11-09 10:31:56,658 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 10:31:56,666 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;@22bd4369, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 10:31:56,667 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 10:31:56,670 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 10:31:56,671 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-09 10:31:56,671 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:31:56,672 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:31:56,672 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-09 10:31:56,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-09 10:31:56,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:31:56,678 INFO L85 PathProgramCache]: Analyzing trace with hash 12553947, now seen corresponding path program 1 times [2024-11-09 10:31:56,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:31:56,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918720895] [2024-11-09 10:31:56,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:31:56,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:31:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:31:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:31:57,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:31:57,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918720895] [2024-11-09 10:31:57,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918720895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:31:57,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:31:57,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 10:31:57,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816417368] [2024-11-09 10:31:57,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:31:57,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 10:31:57,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:31:57,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 10:31:57,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 10:31:57,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 53 [2024-11-09 10:31:57,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2024-11-09 10:31:57,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:31:57,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 53 [2024-11-09 10:31:57,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:31:58,409 INFO L124 PetriNetUnfolderBase]: 3311/5456 cut-off events. [2024-11-09 10:31:58,410 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-09 10:31:58,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10136 conditions, 5456 events. 3311/5456 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 39342 event pairs, 593 based on Foata normal form. 288/5706 useless extension candidates. Maximal degree in co-relation 10124. Up to 3661 conditions per place. [2024-11-09 10:31:58,459 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 41 selfloop transitions, 2 changer transitions 2/65 dead transitions. [2024-11-09 10:31:58,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 65 transitions, 241 flow [2024-11-09 10:31:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 10:31:58,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 10:31:58,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2024-11-09 10:31:58,472 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7672955974842768 [2024-11-09 10:31:58,473 INFO L175 Difference]: Start difference. First operand has 60 places, 49 transitions, 110 flow. Second operand 3 states and 122 transitions. [2024-11-09 10:31:58,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 65 transitions, 241 flow [2024-11-09 10:31:58,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 65 transitions, 234 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-09 10:31:58,482 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 100 flow [2024-11-09 10:31:58,487 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2024-11-09 10:31:58,492 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2024-11-09 10:31:58,492 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 100 flow [2024-11-09 10:31:58,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2024-11-09 10:31:58,493 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:31:58,493 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:31:58,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 10:31:58,495 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-09 10:31:58,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:31:58,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1386663784, now seen corresponding path program 1 times [2024-11-09 10:31:58,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:31:58,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74303683] [2024-11-09 10:31:58,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:31:58,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:31:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:31:58,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:31:58,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:31:58,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74303683] [2024-11-09 10:31:58,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74303683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:31:58,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:31:58,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 10:31:58,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716960721] [2024-11-09 10:31:58,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:31:58,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 10:31:58,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:31:58,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 10:31:58,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 10:31:58,593 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 53 [2024-11-09 10:31:58,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-09 10:31:58,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:31:58,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 53 [2024-11-09 10:31:58,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:31:59,407 INFO L124 PetriNetUnfolderBase]: 2903/4911 cut-off events. [2024-11-09 10:31:59,407 INFO L125 PetriNetUnfolderBase]: For 278/278 co-relation queries the response was YES. [2024-11-09 10:31:59,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9315 conditions, 4911 events. 2903/4911 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 34909 event pairs, 2903 based on Foata normal form. 144/4920 useless extension candidates. Maximal degree in co-relation 9305. Up to 4016 conditions per place. [2024-11-09 10:31:59,447 INFO L140 encePairwiseOnDemand]: 51/53 looper letters, 22 selfloop transitions, 1 changer transitions 1/43 dead transitions. [2024-11-09 10:31:59,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 43 transitions, 146 flow [2024-11-09 10:31:59,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 10:31:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 10:31:59,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-11-09 10:31:59,451 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5911949685534591 [2024-11-09 10:31:59,451 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 100 flow. Second operand 3 states and 94 transitions. [2024-11-09 10:31:59,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 43 transitions, 146 flow [2024-11-09 10:31:59,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 43 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 10:31:59,454 INFO L231 Difference]: Finished difference. Result has 54 places, 42 transitions, 94 flow [2024-11-09 10:31:59,455 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=54, PETRI_TRANSITIONS=42} [2024-11-09 10:31:59,456 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -6 predicate places. [2024-11-09 10:31:59,456 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 42 transitions, 94 flow [2024-11-09 10:31:59,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-09 10:31:59,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:31:59,457 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:31:59,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 10:31:59,458 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-09 10:31:59,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:31:59,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1386662595, now seen corresponding path program 1 times [2024-11-09 10:31:59,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:31:59,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500869888] [2024-11-09 10:31:59,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:31:59,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:31:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:31:59,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:31:59,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:31:59,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500869888] [2024-11-09 10:31:59,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500869888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:31:59,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:31:59,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 10:31:59,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870058092] [2024-11-09 10:31:59,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:31:59,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:31:59,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:31:59,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:31:59,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:31:59,792 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 53 [2024-11-09 10:31:59,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 94 flow. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2024-11-09 10:31:59,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:31:59,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 53 [2024-11-09 10:31:59,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:05,762 INFO L124 PetriNetUnfolderBase]: 38072/54360 cut-off events. [2024-11-09 10:32:05,762 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:32:05,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105659 conditions, 54360 events. 38072/54360 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2288. Compared 387375 event pairs, 9478 based on Foata normal form. 0/53190 useless extension candidates. Maximal degree in co-relation 105653. Up to 16337 conditions per place. [2024-11-09 10:32:06,138 INFO L140 encePairwiseOnDemand]: 41/53 looper letters, 47 selfloop transitions, 8 changer transitions 103/169 dead transitions. [2024-11-09 10:32:06,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 169 transitions, 668 flow [2024-11-09 10:32:06,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 10:32:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 10:32:06,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 304 transitions. [2024-11-09 10:32:06,146 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6373165618448637 [2024-11-09 10:32:06,146 INFO L175 Difference]: Start difference. First operand has 54 places, 42 transitions, 94 flow. Second operand 9 states and 304 transitions. [2024-11-09 10:32:06,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 169 transitions, 668 flow [2024-11-09 10:32:06,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 169 transitions, 667 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 10:32:06,154 INFO L231 Difference]: Finished difference. Result has 68 places, 48 transitions, 203 flow [2024-11-09 10:32:06,154 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=203, PETRI_PLACES=68, PETRI_TRANSITIONS=48} [2024-11-09 10:32:06,155 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 8 predicate places. [2024-11-09 10:32:06,156 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 48 transitions, 203 flow [2024-11-09 10:32:06,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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) [2024-11-09 10:32:06,156 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:06,156 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:32:06,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 10:32:06,157 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-09 10:32:06,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:06,158 INFO L85 PathProgramCache]: Analyzing trace with hash 660199834, now seen corresponding path program 1 times [2024-11-09 10:32:06,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:06,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427633547] [2024-11-09 10:32:06,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:06,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:06,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:06,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427633547] [2024-11-09 10:32:06,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427633547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:06,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:06,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 10:32:06,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849431130] [2024-11-09 10:32:06,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:06,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 10:32:06,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:06,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 10:32:06,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 10:32:06,405 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 53 [2024-11-09 10:32:06,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 48 transitions, 203 flow. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 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) [2024-11-09 10:32:06,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:06,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 53 [2024-11-09 10:32:06,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:11,245 INFO L124 PetriNetUnfolderBase]: 29225/43088 cut-off events. [2024-11-09 10:32:11,246 INFO L125 PetriNetUnfolderBase]: For 67270/67282 co-relation queries the response was YES. [2024-11-09 10:32:11,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128071 conditions, 43088 events. 29225/43088 cut-off events. For 67270/67282 co-relation queries the response was YES. Maximal size of possible extension queue 1869. Compared 315347 event pairs, 2002 based on Foata normal form. 1095/44126 useless extension candidates. Maximal degree in co-relation 128056. Up to 15165 conditions per place. [2024-11-09 10:32:11,578 INFO L140 encePairwiseOnDemand]: 42/53 looper letters, 63 selfloop transitions, 12 changer transitions 102/188 dead transitions. [2024-11-09 10:32:11,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 188 transitions, 1247 flow [2024-11-09 10:32:11,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 10:32:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 10:32:11,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 322 transitions. [2024-11-09 10:32:11,581 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6075471698113207 [2024-11-09 10:32:11,581 INFO L175 Difference]: Start difference. First operand has 68 places, 48 transitions, 203 flow. Second operand 10 states and 322 transitions. [2024-11-09 10:32:11,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 188 transitions, 1247 flow [2024-11-09 10:32:11,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 188 transitions, 1089 flow, removed 39 selfloop flow, removed 4 redundant places. [2024-11-09 10:32:12,001 INFO L231 Difference]: Finished difference. Result has 75 places, 56 transitions, 311 flow [2024-11-09 10:32:12,001 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=311, PETRI_PLACES=75, PETRI_TRANSITIONS=56} [2024-11-09 10:32:12,002 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 15 predicate places. [2024-11-09 10:32:12,003 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 56 transitions, 311 flow [2024-11-09 10:32:12,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 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) [2024-11-09 10:32:12,003 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:12,003 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:32:12,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 10:32:12,004 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-09 10:32:12,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:12,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1569498588, now seen corresponding path program 1 times [2024-11-09 10:32:12,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:12,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691050878] [2024-11-09 10:32:12,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:12,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:12,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:12,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691050878] [2024-11-09 10:32:12,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691050878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:12,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:12,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 10:32:12,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736767146] [2024-11-09 10:32:12,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:12,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:32:12,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:12,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:32:12,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:32:12,156 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 53 [2024-11-09 10:32:12,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 56 transitions, 311 flow. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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) [2024-11-09 10:32:12,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:12,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 53 [2024-11-09 10:32:12,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:16,620 INFO L124 PetriNetUnfolderBase]: 21773/34595 cut-off events. [2024-11-09 10:32:16,620 INFO L125 PetriNetUnfolderBase]: For 81226/82475 co-relation queries the response was YES. [2024-11-09 10:32:16,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102969 conditions, 34595 events. 21773/34595 cut-off events. For 81226/82475 co-relation queries the response was YES. Maximal size of possible extension queue 1730. Compared 285050 event pairs, 9089 based on Foata normal form. 1708/35469 useless extension candidates. Maximal degree in co-relation 102947. Up to 22165 conditions per place. [2024-11-09 10:32:16,954 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 46 selfloop transitions, 7 changer transitions 55/133 dead transitions. [2024-11-09 10:32:16,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 133 transitions, 907 flow [2024-11-09 10:32:16,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 10:32:16,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-09 10:32:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 228 transitions. [2024-11-09 10:32:16,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6145552560646901 [2024-11-09 10:32:16,956 INFO L175 Difference]: Start difference. First operand has 75 places, 56 transitions, 311 flow. Second operand 7 states and 228 transitions. [2024-11-09 10:32:16,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 133 transitions, 907 flow [2024-11-09 10:32:17,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 133 transitions, 891 flow, removed 8 selfloop flow, removed 0 redundant places. [2024-11-09 10:32:17,257 INFO L231 Difference]: Finished difference. Result has 80 places, 62 transitions, 414 flow [2024-11-09 10:32:17,258 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=414, PETRI_PLACES=80, PETRI_TRANSITIONS=62} [2024-11-09 10:32:17,258 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 20 predicate places. [2024-11-09 10:32:17,259 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 62 transitions, 414 flow [2024-11-09 10:32:17,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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) [2024-11-09 10:32:17,259 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:17,259 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:32:17,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 10:32:17,260 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-09 10:32:17,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:17,260 INFO L85 PathProgramCache]: Analyzing trace with hash 406069731, now seen corresponding path program 1 times [2024-11-09 10:32:17,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:17,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218890972] [2024-11-09 10:32:17,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:17,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:17,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:17,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218890972] [2024-11-09 10:32:17,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218890972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:17,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:17,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 10:32:17,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439099029] [2024-11-09 10:32:17,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:17,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:32:17,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:17,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:32:17,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:32:17,445 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 53 [2024-11-09 10:32:17,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 62 transitions, 414 flow. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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) [2024-11-09 10:32:17,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:17,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 53 [2024-11-09 10:32:17,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:21,396 INFO L124 PetriNetUnfolderBase]: 21237/33617 cut-off events. [2024-11-09 10:32:21,397 INFO L125 PetriNetUnfolderBase]: For 90483/91684 co-relation queries the response was YES. [2024-11-09 10:32:21,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104691 conditions, 33617 events. 21237/33617 cut-off events. For 90483/91684 co-relation queries the response was YES. Maximal size of possible extension queue 1671. Compared 271438 event pairs, 6516 based on Foata normal form. 1288/34461 useless extension candidates. Maximal degree in co-relation 104662. Up to 21615 conditions per place. [2024-11-09 10:32:21,741 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 44 selfloop transitions, 7 changer transitions 55/137 dead transitions. [2024-11-09 10:32:21,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 137 transitions, 1002 flow [2024-11-09 10:32:21,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 10:32:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-09 10:32:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 226 transitions. [2024-11-09 10:32:21,743 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6091644204851752 [2024-11-09 10:32:21,744 INFO L175 Difference]: Start difference. First operand has 80 places, 62 transitions, 414 flow. Second operand 7 states and 226 transitions. [2024-11-09 10:32:21,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 137 transitions, 1002 flow [2024-11-09 10:32:21,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 137 transitions, 951 flow, removed 22 selfloop flow, removed 7 redundant places. [2024-11-09 10:32:21,871 INFO L231 Difference]: Finished difference. Result has 80 places, 68 transitions, 478 flow [2024-11-09 10:32:21,871 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=478, PETRI_PLACES=80, PETRI_TRANSITIONS=68} [2024-11-09 10:32:21,872 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 20 predicate places. [2024-11-09 10:32:21,872 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 68 transitions, 478 flow [2024-11-09 10:32:21,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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) [2024-11-09 10:32:21,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:21,872 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] [2024-11-09 10:32:21,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 10:32:21,872 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-09 10:32:21,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:21,873 INFO L85 PathProgramCache]: Analyzing trace with hash 557434407, now seen corresponding path program 1 times [2024-11-09 10:32:21,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:21,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371537468] [2024-11-09 10:32:21,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:21,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:21,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:21,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371537468] [2024-11-09 10:32:21,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371537468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:21,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:21,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 10:32:21,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868966340] [2024-11-09 10:32:21,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:21,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:32:21,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:21,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:32:21,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:32:21,996 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 53 [2024-11-09 10:32:21,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 68 transitions, 478 flow. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 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) [2024-11-09 10:32:21,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:21,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 53 [2024-11-09 10:32:21,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:32:27,895 INFO L124 PetriNetUnfolderBase]: 27932/43574 cut-off events. [2024-11-09 10:32:27,896 INFO L125 PetriNetUnfolderBase]: For 150025/152349 co-relation queries the response was YES. [2024-11-09 10:32:28,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138268 conditions, 43574 events. 27932/43574 cut-off events. For 150025/152349 co-relation queries the response was YES. Maximal size of possible extension queue 2138. Compared 363250 event pairs, 9558 based on Foata normal form. 1789/44343 useless extension candidates. Maximal degree in co-relation 138239. Up to 16860 conditions per place. [2024-11-09 10:32:28,313 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 48 selfloop transitions, 8 changer transitions 52/139 dead transitions. [2024-11-09 10:32:28,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 139 transitions, 1004 flow [2024-11-09 10:32:28,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 10:32:28,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-09 10:32:28,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 233 transitions. [2024-11-09 10:32:28,314 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.628032345013477 [2024-11-09 10:32:28,315 INFO L175 Difference]: Start difference. First operand has 80 places, 68 transitions, 478 flow. Second operand 7 states and 233 transitions. [2024-11-09 10:32:28,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 139 transitions, 1004 flow [2024-11-09 10:32:28,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 139 transitions, 969 flow, removed 14 selfloop flow, removed 3 redundant places. [2024-11-09 10:32:28,684 INFO L231 Difference]: Finished difference. Result has 84 places, 67 transitions, 485 flow [2024-11-09 10:32:28,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=485, PETRI_PLACES=84, PETRI_TRANSITIONS=67} [2024-11-09 10:32:28,685 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 24 predicate places. [2024-11-09 10:32:28,685 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 67 transitions, 485 flow [2024-11-09 10:32:28,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 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) [2024-11-09 10:32:28,685 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:32:28,686 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] [2024-11-09 10:32:28,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 10:32:28,686 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-09 10:32:28,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:32:28,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1212787937, now seen corresponding path program 1 times [2024-11-09 10:32:28,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:32:28,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570942888] [2024-11-09 10:32:28,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:32:28,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:32:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:32:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:32:28,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:32:28,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570942888] [2024-11-09 10:32:28,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570942888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:32:28,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:32:28,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 10:32:28,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427708708] [2024-11-09 10:32:28,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:32:28,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 10:32:28,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:32:28,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 10:32:28,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 10:32:28,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 53 [2024-11-09 10:32:28,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 67 transitions, 485 flow. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 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) [2024-11-09 10:32:28,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:32:28,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 53 [2024-11-09 10:32:28,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand