./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99f794c04b6feffb38c1e5c415a278bf34dda5287d389b184a9a7d818ab0b70e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:59:16,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:59:16,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 12:59:16,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:59:16,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:59:16,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:59:16,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:59:16,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:59:16,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:59:16,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:59:16,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:59:16,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:59:16,132 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:59:16,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:59:16,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:59:16,132 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:59:16,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:59:16,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:59:16,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:59:16,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:59:16,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:59:16,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:59:16,134 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 12:59:16,135 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:59:16,135 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:59:16,135 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:59:16,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:59:16,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:59:16,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:59:16,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:59:16,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:59:16,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:59:16,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:59:16,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:59:16,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:59:16,137 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:59:16,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:59:16,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:59:16,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:59:16,139 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:59:16,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:59:16,139 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd 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 ! data-race) ) 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 -> 99f794c04b6feffb38c1e5c415a278bf34dda5287d389b184a9a7d818ab0b70e [2024-11-13 12:59:16,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:59:16,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:59:16,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:59:16,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:59:16,561 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:59:16,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i Unable to find full path for "g++" [2024-11-13 12:59:18,968 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:59:19,490 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:59:19,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/sv-benchmarks/c/goblint-regression/06-symbeq_06-tricky_address1.i [2024-11-13 12:59:19,512 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/data/78c1ee794/b638649753b9492194aff4308b944f01/FLAGfb296af00 [2024-11-13 12:59:19,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/data/78c1ee794/b638649753b9492194aff4308b944f01 [2024-11-13 12:59:19,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:59:19,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:59:19,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:59:19,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:59:19,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:59:19,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:59:19" (1/1) ... [2024-11-13 12:59:19,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37eab7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:19, skipping insertion in model container [2024-11-13 12:59:19,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:59:19" (1/1) ... [2024-11-13 12:59:19,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:59:20,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:59:20,255 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:59:20,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:59:20,415 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:59:20,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20 WrapperNode [2024-11-13 12:59:20,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:59:20,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:59:20,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:59:20,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:59:20,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,500 INFO L138 Inliner]: procedures = 268, calls = 104, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 180 [2024-11-13 12:59:20,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:59:20,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:59:20,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:59:20,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:59:20,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:59:20,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:59:20,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:59:20,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:59:20,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (1/1) ... [2024-11-13 12:59:20,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:59:20,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:59:20,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:59:20,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:59:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 12:59:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 12:59:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 12:59:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 12:59:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 12:59:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:59:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 12:59:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 12:59:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:59:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:59:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:59:20,662 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 12:59:20,895 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:59:20,899 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:59:21,548 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:59:21,548 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:59:21,593 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:59:21,593 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:59:21,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:59:21 BoogieIcfgContainer [2024-11-13 12:59:21,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:59:21,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:59:21,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:59:21,612 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:59:21,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:59:19" (1/3) ... [2024-11-13 12:59:21,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb9e5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:59:21, skipping insertion in model container [2024-11-13 12:59:21,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:59:20" (2/3) ... [2024-11-13 12:59:21,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb9e5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:59:21, skipping insertion in model container [2024-11-13 12:59:21,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:59:21" (3/3) ... [2024-11-13 12:59:21,617 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_06-tricky_address1.i [2024-11-13 12:59:21,637 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:59:21,641 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_06-tricky_address1.i that has 2 procedures, 188 locations, 1 initial locations, 1 loop locations, and 4 error locations. [2024-11-13 12:59:21,641 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 12:59:21,755 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 12:59:21,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 191 places, 191 transitions, 386 flow [2024-11-13 12:59:21,946 INFO L124 PetriNetUnfolderBase]: 4/190 cut-off events. [2024-11-13 12:59:21,949 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 12:59:21,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 190 events. 4/190 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 121. Up to 2 conditions per place. [2024-11-13 12:59:21,956 INFO L82 GeneralOperation]: Start removeDead. Operand has 191 places, 191 transitions, 386 flow [2024-11-13 12:59:21,962 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 190 transitions, 383 flow [2024-11-13 12:59:21,972 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:59:21,986 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=LoopHeads, 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;@659e79df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:59:21,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 12:59:22,031 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 12:59:22,031 INFO L124 PetriNetUnfolderBase]: 4/143 cut-off events. [2024-11-13 12:59:22,031 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 12:59:22,031 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:59:22,032 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:22,033 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 12:59:22,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:22,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2115014447, now seen corresponding path program 1 times [2024-11-13 12:59:22,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:22,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405767173] [2024-11-13 12:59:22,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:22,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:22,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:22,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405767173] [2024-11-13 12:59:22,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405767173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:22,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:22,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:59:22,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488004012] [2024-11-13 12:59:22,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:22,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:59:22,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:22,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:59:22,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:59:22,923 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 191 [2024-11-13 12:59:22,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 190 transitions, 383 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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) [2024-11-13 12:59:22,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:59:22,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 191 [2024-11-13 12:59:22,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:59:23,103 INFO L124 PetriNetUnfolderBase]: 7/251 cut-off events. [2024-11-13 12:59:23,103 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 12:59:23,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 251 events. 7/251 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 319 event pairs, 6 based on Foata normal form. 5/244 useless extension candidates. Maximal degree in co-relation 144. Up to 24 conditions per place. [2024-11-13 12:59:23,107 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 10 selfloop transitions, 2 changer transitions 1/188 dead transitions. [2024-11-13 12:59:23,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 188 transitions, 403 flow [2024-11-13 12:59:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:59:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 12:59:23,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 548 transitions. [2024-11-13 12:59:23,130 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.956369982547993 [2024-11-13 12:59:23,135 INFO L175 Difference]: Start difference. First operand has 190 places, 190 transitions, 383 flow. Second operand 3 states and 548 transitions. [2024-11-13 12:59:23,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 188 transitions, 403 flow [2024-11-13 12:59:23,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 188 transitions, 402 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 12:59:23,155 INFO L231 Difference]: Finished difference. Result has 192 places, 187 transitions, 386 flow [2024-11-13 12:59:23,159 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=192, PETRI_TRANSITIONS=187} [2024-11-13 12:59:23,166 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 2 predicate places. [2024-11-13 12:59:23,167 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 187 transitions, 386 flow [2024-11-13 12:59:23,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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) [2024-11-13 12:59:23,168 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:59:23,169 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:23,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:59:23,170 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 12:59:23,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:23,172 INFO L85 PathProgramCache]: Analyzing trace with hash 944687718, now seen corresponding path program 1 times [2024-11-13 12:59:23,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:23,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468937546] [2024-11-13 12:59:23,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:23,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:23,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:23,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468937546] [2024-11-13 12:59:23,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468937546] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:59:23,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899782556] [2024-11-13 12:59:23,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:23,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:23,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:59:23,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:59:23,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 12:59:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:23,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 12:59:23,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:59:24,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:24,114 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:59:24,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:24,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899782556] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:59:24,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:59:24,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-13 12:59:24,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743267096] [2024-11-13 12:59:24,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:59:24,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 12:59:24,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:24,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 12:59:24,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:59:24,281 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 191 [2024-11-13 12:59:24,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 187 transitions, 386 flow. Second operand has 10 states, 10 states have (on average 176.0) internal successors, (1760), 10 states have internal predecessors, (1760), 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) [2024-11-13 12:59:24,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:59:24,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 191 [2024-11-13 12:59:24,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:59:24,555 INFO L124 PetriNetUnfolderBase]: 7/257 cut-off events. [2024-11-13 12:59:24,555 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 12:59:24,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 257 events. 7/257 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 314 event pairs, 6 based on Foata normal form. 2/248 useless extension candidates. Maximal degree in co-relation 191. Up to 24 conditions per place. [2024-11-13 12:59:24,557 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 14 selfloop transitions, 9 changer transitions 0/195 dead transitions. [2024-11-13 12:59:24,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 195 transitions, 450 flow [2024-11-13 12:59:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:59:24,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-13 12:59:24,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1591 transitions. [2024-11-13 12:59:24,573 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9255381035485748 [2024-11-13 12:59:24,574 INFO L175 Difference]: Start difference. First operand has 192 places, 187 transitions, 386 flow. Second operand 9 states and 1591 transitions. [2024-11-13 12:59:24,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 195 transitions, 450 flow [2024-11-13 12:59:24,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 195 transitions, 448 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 12:59:24,584 INFO L231 Difference]: Finished difference. Result has 201 places, 193 transitions, 434 flow [2024-11-13 12:59:24,585 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=434, PETRI_PLACES=201, PETRI_TRANSITIONS=193} [2024-11-13 12:59:24,587 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 11 predicate places. [2024-11-13 12:59:24,587 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 193 transitions, 434 flow [2024-11-13 12:59:24,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 176.0) internal successors, (1760), 10 states have internal predecessors, (1760), 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) [2024-11-13 12:59:24,588 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:59:24,589 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:24,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 12:59:24,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:24,790 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 12:59:24,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:24,791 INFO L85 PathProgramCache]: Analyzing trace with hash 968968518, now seen corresponding path program 2 times [2024-11-13 12:59:24,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:24,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332403045] [2024-11-13 12:59:24,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:24,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:25,400 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:25,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:25,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332403045] [2024-11-13 12:59:25,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332403045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:59:25,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236471557] [2024-11-13 12:59:25,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:59:25,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:25,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:59:25,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:59:25,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:59:25,588 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:59:25,588 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:59:25,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 12:59:25,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:59:25,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-13 12:59:25,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-13 12:59:25,776 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:59:25,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-13 12:59:25,864 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:59:25,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-13 12:59:25,949 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 12:59:25,949 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:59:25,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236471557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:25,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:59:25,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-13 12:59:25,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878341697] [2024-11-13 12:59:25,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:25,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:59:25,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:25,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:59:25,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-13 12:59:27,243 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 191 [2024-11-13 12:59:27,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 193 transitions, 434 flow. Second operand has 6 states, 6 states have (on average 165.66666666666666) internal successors, (994), 6 states have internal predecessors, (994), 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) [2024-11-13 12:59:27,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:59:27,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 191 [2024-11-13 12:59:27,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:59:27,489 INFO L124 PetriNetUnfolderBase]: 103/559 cut-off events. [2024-11-13 12:59:27,490 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-13 12:59:27,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 559 events. 103/559 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2283 event pairs, 40 based on Foata normal form. 0/525 useless extension candidates. Maximal degree in co-relation 682. Up to 184 conditions per place. [2024-11-13 12:59:27,495 INFO L140 encePairwiseOnDemand]: 180/191 looper letters, 31 selfloop transitions, 22 changer transitions 0/222 dead transitions. [2024-11-13 12:59:27,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 222 transitions, 598 flow [2024-11-13 12:59:27,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:59:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 12:59:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1038 transitions. [2024-11-13 12:59:27,499 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9057591623036649 [2024-11-13 12:59:27,499 INFO L175 Difference]: Start difference. First operand has 201 places, 193 transitions, 434 flow. Second operand 6 states and 1038 transitions. [2024-11-13 12:59:27,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 222 transitions, 598 flow [2024-11-13 12:59:27,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 222 transitions, 592 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-13 12:59:27,507 INFO L231 Difference]: Finished difference. Result has 210 places, 214 transitions, 578 flow [2024-11-13 12:59:27,508 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=578, PETRI_PLACES=210, PETRI_TRANSITIONS=214} [2024-11-13 12:59:27,508 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 20 predicate places. [2024-11-13 12:59:27,509 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 214 transitions, 578 flow [2024-11-13 12:59:27,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.66666666666666) internal successors, (994), 6 states have internal predecessors, (994), 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) [2024-11-13 12:59:27,510 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:59:27,510 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:27,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 12:59:27,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:27,715 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 12:59:27,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:27,716 INFO L85 PathProgramCache]: Analyzing trace with hash 2127174574, now seen corresponding path program 1 times [2024-11-13 12:59:27,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:27,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136430780] [2024-11-13 12:59:27,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:27,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:28,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:28,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136430780] [2024-11-13 12:59:28,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136430780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:59:28,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24984152] [2024-11-13 12:59:28,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:28,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:28,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:59:28,097 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:59:28,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:59:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:28,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 12:59:28,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:59:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:28,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:59:28,497 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:28,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24984152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:59:28,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:59:28,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-13 12:59:28,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974728083] [2024-11-13 12:59:28,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:59:28,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 12:59:28,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:28,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 12:59:28,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-13 12:59:28,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 191 [2024-11-13 12:59:28,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 214 transitions, 578 flow. Second operand has 18 states, 18 states have (on average 176.0) internal successors, (3168), 18 states have internal predecessors, (3168), 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) [2024-11-13 12:59:28,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:59:28,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 191 [2024-11-13 12:59:28,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:59:28,985 INFO L124 PetriNetUnfolderBase]: 38/426 cut-off events. [2024-11-13 12:59:28,986 INFO L125 PetriNetUnfolderBase]: For 57/62 co-relation queries the response was YES. [2024-11-13 12:59:28,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 426 events. 38/426 cut-off events. For 57/62 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1199 event pairs, 11 based on Foata normal form. 4/414 useless extension candidates. Maximal degree in co-relation 482. Up to 51 conditions per place. [2024-11-13 12:59:28,993 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 18 selfloop transitions, 21 changer transitions 0/232 dead transitions. [2024-11-13 12:59:28,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 232 transitions, 744 flow [2024-11-13 12:59:28,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:59:28,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-13 12:59:29,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3697 transitions. [2024-11-13 12:59:29,006 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9217152829718275 [2024-11-13 12:59:29,006 INFO L175 Difference]: Start difference. First operand has 210 places, 214 transitions, 578 flow. Second operand 21 states and 3697 transitions. [2024-11-13 12:59:29,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 232 transitions, 744 flow [2024-11-13 12:59:29,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 232 transitions, 744 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 12:59:29,020 INFO L231 Difference]: Finished difference. Result has 235 places, 227 transitions, 708 flow [2024-11-13 12:59:29,021 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=708, PETRI_PLACES=235, PETRI_TRANSITIONS=227} [2024-11-13 12:59:29,023 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 45 predicate places. [2024-11-13 12:59:29,024 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 227 transitions, 708 flow [2024-11-13 12:59:29,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 176.0) internal successors, (3168), 18 states have internal predecessors, (3168), 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) [2024-11-13 12:59:29,026 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:59:29,027 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:29,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 12:59:29,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:29,228 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 12:59:29,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:29,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1405096302, now seen corresponding path program 2 times [2024-11-13 12:59:29,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:29,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809380992] [2024-11-13 12:59:29,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:29,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:29,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:29,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809380992] [2024-11-13 12:59:29,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809380992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:59:29,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741770423] [2024-11-13 12:59:29,974 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:59:29,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:29,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:59:29,982 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:59:29,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 12:59:30,156 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 12:59:30,156 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:59:30,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 12:59:30,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:59:30,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-13 12:59:30,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-13 12:59:30,264 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:59:30,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-13 12:59:30,333 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:59:30,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-13 12:59:30,395 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 12:59:30,396 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:59:30,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741770423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:30,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:59:30,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-13 12:59:30,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258058550] [2024-11-13 12:59:30,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:30,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:59:30,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:30,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:59:30,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-13 12:59:31,473 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 191 [2024-11-13 12:59:31,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 227 transitions, 708 flow. Second operand has 6 states, 6 states have (on average 160.66666666666666) internal successors, (964), 6 states have internal predecessors, (964), 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) [2024-11-13 12:59:31,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:59:31,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 191 [2024-11-13 12:59:31,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:59:31,867 INFO L124 PetriNetUnfolderBase]: 223/922 cut-off events. [2024-11-13 12:59:31,867 INFO L125 PetriNetUnfolderBase]: For 190/196 co-relation queries the response was YES. [2024-11-13 12:59:31,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1793 conditions, 922 events. 223/922 cut-off events. For 190/196 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4699 event pairs, 82 based on Foata normal form. 5/869 useless extension candidates. Maximal degree in co-relation 1566. Up to 407 conditions per place. [2024-11-13 12:59:31,875 INFO L140 encePairwiseOnDemand]: 176/191 looper letters, 53 selfloop transitions, 39 changer transitions 5/272 dead transitions. [2024-11-13 12:59:31,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 272 transitions, 1022 flow [2024-11-13 12:59:31,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:59:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 12:59:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1024 transitions. [2024-11-13 12:59:31,879 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.893542757417103 [2024-11-13 12:59:31,879 INFO L175 Difference]: Start difference. First operand has 235 places, 227 transitions, 708 flow. Second operand 6 states and 1024 transitions. [2024-11-13 12:59:31,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 272 transitions, 1022 flow [2024-11-13 12:59:31,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 272 transitions, 998 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-13 12:59:31,893 INFO L231 Difference]: Finished difference. Result has 239 places, 263 transitions, 972 flow [2024-11-13 12:59:31,893 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=972, PETRI_PLACES=239, PETRI_TRANSITIONS=263} [2024-11-13 12:59:31,894 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 49 predicate places. [2024-11-13 12:59:31,894 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 263 transitions, 972 flow [2024-11-13 12:59:31,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 160.66666666666666) internal successors, (964), 6 states have internal predecessors, (964), 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) [2024-11-13 12:59:31,896 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:59:31,896 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:31,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 12:59:32,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:32,097 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 12:59:32,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:32,098 INFO L85 PathProgramCache]: Analyzing trace with hash -505496891, now seen corresponding path program 1 times [2024-11-13 12:59:32,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:32,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619436339] [2024-11-13 12:59:32,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:32,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:32,792 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:32,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:32,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619436339] [2024-11-13 12:59:32,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619436339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:59:32,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122913481] [2024-11-13 12:59:32,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:32,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:32,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:59:32,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:59:32,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 12:59:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:32,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 12:59:32,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:59:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:33,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:59:33,423 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:59:33,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122913481] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:59:33,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:59:33,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-13 12:59:33,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713160980] [2024-11-13 12:59:33,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:59:33,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 12:59:33,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:33,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 12:59:33,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-13 12:59:33,478 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 191 [2024-11-13 12:59:33,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 263 transitions, 972 flow. Second operand has 23 states, 23 states have (on average 176.08695652173913) internal successors, (4050), 23 states have internal predecessors, (4050), 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) [2024-11-13 12:59:33,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:59:33,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 191 [2024-11-13 12:59:33,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:59:34,097 INFO L124 PetriNetUnfolderBase]: 126/697 cut-off events. [2024-11-13 12:59:34,098 INFO L125 PetriNetUnfolderBase]: For 320/323 co-relation queries the response was YES. [2024-11-13 12:59:34,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1445 conditions, 697 events. 126/697 cut-off events. For 320/323 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2919 event pairs, 15 based on Foata normal form. 3/672 useless extension candidates. Maximal degree in co-relation 1139. Up to 118 conditions per place. [2024-11-13 12:59:34,104 INFO L140 encePairwiseOnDemand]: 185/191 looper letters, 21 selfloop transitions, 30 changer transitions 0/280 dead transitions. [2024-11-13 12:59:34,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 280 transitions, 1196 flow [2024-11-13 12:59:34,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:59:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-13 12:59:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5274 transitions. [2024-11-13 12:59:34,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9204188481675393 [2024-11-13 12:59:34,118 INFO L175 Difference]: Start difference. First operand has 239 places, 263 transitions, 972 flow. Second operand 30 states and 5274 transitions. [2024-11-13 12:59:34,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 280 transitions, 1196 flow [2024-11-13 12:59:34,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 280 transitions, 1164 flow, removed 16 selfloop flow, removed 0 redundant places. [2024-11-13 12:59:34,130 INFO L231 Difference]: Finished difference. Result has 271 places, 273 transitions, 1092 flow [2024-11-13 12:59:34,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=940, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1092, PETRI_PLACES=271, PETRI_TRANSITIONS=273} [2024-11-13 12:59:34,132 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 81 predicate places. [2024-11-13 12:59:34,132 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 273 transitions, 1092 flow [2024-11-13 12:59:34,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 176.08695652173913) internal successors, (4050), 23 states have internal predecessors, (4050), 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) [2024-11-13 12:59:34,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:59:34,135 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:34,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 12:59:34,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b02de1-0785-4058-a0c4-5081e4a73bdb/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:59:34,340 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 12:59:34,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:34,341 INFO L85 PathProgramCache]: Analyzing trace with hash -858809232, now seen corresponding path program 2 times [2024-11-13 12:59:34,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:34,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338131459] [2024-11-13 12:59:34,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:34,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 12:59:35,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:35,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338131459] [2024-11-13 12:59:35,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338131459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:35,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:35,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:59:35,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318711133] [2024-11-13 12:59:35,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:35,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:59:35,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:35,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:59:35,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:59:35,573 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 191 [2024-11-13 12:59:35,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 273 transitions, 1092 flow. Second operand has 6 states, 6 states have (on average 168.33333333333334) internal successors, (1010), 6 states have internal predecessors, (1010), 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) [2024-11-13 12:59:35,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:59:35,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 191 [2024-11-13 12:59:35,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:59:35,972 INFO L124 PetriNetUnfolderBase]: 212/955 cut-off events. [2024-11-13 12:59:35,972 INFO L125 PetriNetUnfolderBase]: For 575/619 co-relation queries the response was YES. [2024-11-13 12:59:35,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2215 conditions, 955 events. 212/955 cut-off events. For 575/619 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4927 event pairs, 40 based on Foata normal form. 1/938 useless extension candidates. Maximal degree in co-relation 1908. Up to 338 conditions per place. [2024-11-13 12:59:35,980 INFO L140 encePairwiseOnDemand]: 180/191 looper letters, 72 selfloop transitions, 40 changer transitions 0/312 dead transitions. [2024-11-13 12:59:35,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 312 transitions, 1500 flow [2024-11-13 12:59:35,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:59:35,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 12:59:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1053 transitions. [2024-11-13 12:59:35,984 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.918848167539267 [2024-11-13 12:59:35,984 INFO L175 Difference]: Start difference. First operand has 271 places, 273 transitions, 1092 flow. Second operand 6 states and 1053 transitions. [2024-11-13 12:59:35,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 312 transitions, 1500 flow [2024-11-13 12:59:35,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 312 transitions, 1454 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-13 12:59:35,995 INFO L231 Difference]: Finished difference. Result has 263 places, 304 transitions, 1414 flow [2024-11-13 12:59:35,996 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=1046, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1414, PETRI_PLACES=263, PETRI_TRANSITIONS=304} [2024-11-13 12:59:35,996 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 73 predicate places. [2024-11-13 12:59:35,997 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 304 transitions, 1414 flow [2024-11-13 12:59:35,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 168.33333333333334) internal successors, (1010), 6 states have internal predecessors, (1010), 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) [2024-11-13 12:59:35,997 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:59:35,998 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:35,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 12:59:35,998 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 12:59:35,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:35,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1894081035, now seen corresponding path program 1 times [2024-11-13 12:59:35,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:35,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125815277] [2024-11-13 12:59:35,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:35,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 12:59:36,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:36,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125815277] [2024-11-13 12:59:36,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125815277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:36,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:36,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:59:36,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979214924] [2024-11-13 12:59:36,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:36,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:59:36,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:37,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:59:37,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:59:37,130 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 191 [2024-11-13 12:59:37,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 304 transitions, 1414 flow. Second operand has 6 states, 6 states have (on average 163.33333333333334) internal successors, (980), 6 states have internal predecessors, (980), 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) [2024-11-13 12:59:37,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:59:37,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 191 [2024-11-13 12:59:37,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:59:37,870 INFO L124 PetriNetUnfolderBase]: 361/1356 cut-off events. [2024-11-13 12:59:37,871 INFO L125 PetriNetUnfolderBase]: For 1420/1448 co-relation queries the response was YES. [2024-11-13 12:59:37,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3695 conditions, 1356 events. 361/1356 cut-off events. For 1420/1448 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 8000 event pairs, 87 based on Foata normal form. 2/1322 useless extension candidates. Maximal degree in co-relation 3405. Up to 610 conditions per place. [2024-11-13 12:59:37,886 INFO L140 encePairwiseOnDemand]: 176/191 looper letters, 100 selfloop transitions, 64 changer transitions 10/365 dead transitions. [2024-11-13 12:59:37,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 365 transitions, 2102 flow [2024-11-13 12:59:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:59:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 12:59:37,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1039 transitions. [2024-11-13 12:59:37,891 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9066317626527051 [2024-11-13 12:59:37,891 INFO L175 Difference]: Start difference. First operand has 263 places, 304 transitions, 1414 flow. Second operand 6 states and 1039 transitions. [2024-11-13 12:59:37,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 365 transitions, 2102 flow [2024-11-13 12:59:37,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 365 transitions, 2084 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-13 12:59:37,921 INFO L231 Difference]: Finished difference. Result has 273 places, 351 transitions, 1982 flow [2024-11-13 12:59:37,922 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=1396, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1982, PETRI_PLACES=273, PETRI_TRANSITIONS=351} [2024-11-13 12:59:37,927 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 83 predicate places. [2024-11-13 12:59:37,927 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 351 transitions, 1982 flow [2024-11-13 12:59:37,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.33333333333334) internal successors, (980), 6 states have internal predecessors, (980), 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) [2024-11-13 12:59:37,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:59:37,928 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:37,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 12:59:37,929 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 12:59:37,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:37,929 INFO L85 PathProgramCache]: Analyzing trace with hash -787393858, now seen corresponding path program 1 times [2024-11-13 12:59:37,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:37,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076164229] [2024-11-13 12:59:37,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:37,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:40,209 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 12:59:40,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:40,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076164229] [2024-11-13 12:59:40,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076164229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:40,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:40,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 12:59:40,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840411212] [2024-11-13 12:59:40,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:40,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 12:59:40,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:40,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 12:59:40,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:59:43,006 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 12:59:43,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 351 transitions, 1982 flow. Second operand has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 12:59:43,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:59:43,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 12:59:43,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:59:44,088 INFO L124 PetriNetUnfolderBase]: 460/1619 cut-off events. [2024-11-13 12:59:44,089 INFO L125 PetriNetUnfolderBase]: For 2932/3007 co-relation queries the response was YES. [2024-11-13 12:59:44,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5264 conditions, 1619 events. 460/1619 cut-off events. For 2932/3007 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 10038 event pairs, 19 based on Foata normal form. 37/1640 useless extension candidates. Maximal degree in co-relation 4957. Up to 571 conditions per place. [2024-11-13 12:59:44,107 INFO L140 encePairwiseOnDemand]: 170/191 looper letters, 190 selfloop transitions, 78 changer transitions 46/500 dead transitions. [2024-11-13 12:59:44,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 500 transitions, 3698 flow [2024-11-13 12:59:44,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 12:59:44,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-13 12:59:44,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2003 transitions. [2024-11-13 12:59:44,114 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8739092495636999 [2024-11-13 12:59:44,114 INFO L175 Difference]: Start difference. First operand has 273 places, 351 transitions, 1982 flow. Second operand 12 states and 2003 transitions. [2024-11-13 12:59:44,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 500 transitions, 3698 flow [2024-11-13 12:59:44,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 500 transitions, 3612 flow, removed 43 selfloop flow, removed 0 redundant places. [2024-11-13 12:59:44,167 INFO L231 Difference]: Finished difference. Result has 292 places, 388 transitions, 2530 flow [2024-11-13 12:59:44,168 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=1908, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2530, PETRI_PLACES=292, PETRI_TRANSITIONS=388} [2024-11-13 12:59:44,169 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 102 predicate places. [2024-11-13 12:59:44,170 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 388 transitions, 2530 flow [2024-11-13 12:59:44,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 12:59:44,170 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:59:44,171 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:44,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 12:59:44,172 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 12:59:44,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:44,172 INFO L85 PathProgramCache]: Analyzing trace with hash 590571198, now seen corresponding path program 2 times [2024-11-13 12:59:44,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:44,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301750358] [2024-11-13 12:59:44,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:44,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:59:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 12:59:46,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:59:46,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301750358] [2024-11-13 12:59:46,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301750358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:59:46,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:59:46,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 12:59:46,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767224027] [2024-11-13 12:59:46,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:59:46,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 12:59:46,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:59:46,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 12:59:46,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:59:48,640 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 191 [2024-11-13 12:59:48,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 388 transitions, 2530 flow. Second operand has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2024-11-13 12:59:48,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 12:59:48,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 191 [2024-11-13 12:59:48,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 12:59:49,945 INFO L124 PetriNetUnfolderBase]: 458/1592 cut-off events. [2024-11-13 12:59:49,945 INFO L125 PetriNetUnfolderBase]: For 4262/4308 co-relation queries the response was YES. [2024-11-13 12:59:49,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5993 conditions, 1592 events. 458/1592 cut-off events. For 4262/4308 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 9724 event pairs, 44 based on Foata normal form. 19/1592 useless extension candidates. Maximal degree in co-relation 5677. Up to 662 conditions per place. [2024-11-13 12:59:49,965 INFO L140 encePairwiseOnDemand]: 171/191 looper letters, 165 selfloop transitions, 80 changer transitions 27/454 dead transitions. [2024-11-13 12:59:49,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 454 transitions, 3563 flow [2024-11-13 12:59:49,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:59:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-13 12:59:49,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1504 transitions. [2024-11-13 12:59:49,970 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8749272833042466 [2024-11-13 12:59:49,970 INFO L175 Difference]: Start difference. First operand has 292 places, 388 transitions, 2530 flow. Second operand 9 states and 1504 transitions. [2024-11-13 12:59:49,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 454 transitions, 3563 flow [2024-11-13 12:59:50,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 454 transitions, 3539 flow, removed 12 selfloop flow, removed 0 redundant places. [2024-11-13 12:59:50,026 INFO L231 Difference]: Finished difference. Result has 301 places, 389 transitions, 2709 flow [2024-11-13 12:59:50,026 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=2506, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2709, PETRI_PLACES=301, PETRI_TRANSITIONS=389} [2024-11-13 12:59:50,027 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 111 predicate places. [2024-11-13 12:59:50,027 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 389 transitions, 2709 flow [2024-11-13 12:59:50,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2024-11-13 12:59:50,028 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 12:59:50,028 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:59:50,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 12:59:50,029 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 12:59:50,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:59:50,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1106959908, now seen corresponding path program 3 times [2024-11-13 12:59:50,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:59:50,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679812457] [2024-11-13 12:59:50,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:59:50,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:59:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:00:11,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:11,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679812457] [2024-11-13 13:00:11,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679812457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:11,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:11,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:00:11,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724521810] [2024-11-13 13:00:11,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:11,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:00:11,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:11,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:00:11,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:00:15,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 191 [2024-11-13 13:00:15,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 389 transitions, 2709 flow. Second operand has 13 states, 13 states have (on average 152.0) internal successors, (1976), 13 states have internal predecessors, (1976), 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) [2024-11-13 13:00:15,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:15,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 191 [2024-11-13 13:00:15,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:17,435 INFO L124 PetriNetUnfolderBase]: 752/2555 cut-off events. [2024-11-13 13:00:17,435 INFO L125 PetriNetUnfolderBase]: For 9038/9186 co-relation queries the response was YES. [2024-11-13 13:00:17,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10317 conditions, 2555 events. 752/2555 cut-off events. For 9038/9186 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 19096 event pairs, 57 based on Foata normal form. 67/2594 useless extension candidates. Maximal degree in co-relation 9997. Up to 612 conditions per place. [2024-11-13 13:00:17,473 INFO L140 encePairwiseOnDemand]: 167/191 looper letters, 330 selfloop transitions, 105 changer transitions 18/633 dead transitions. [2024-11-13 13:00:17,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 633 transitions, 6108 flow [2024-11-13 13:00:17,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 13:00:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-13 13:00:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2398 transitions. [2024-11-13 13:00:17,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8369982547993019 [2024-11-13 13:00:17,479 INFO L175 Difference]: Start difference. First operand has 301 places, 389 transitions, 2709 flow. Second operand 15 states and 2398 transitions. [2024-11-13 13:00:17,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 633 transitions, 6108 flow [2024-11-13 13:00:17,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 633 transitions, 5972 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-13 13:00:17,565 INFO L231 Difference]: Finished difference. Result has 317 places, 469 transitions, 4139 flow [2024-11-13 13:00:17,565 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=2644, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4139, PETRI_PLACES=317, PETRI_TRANSITIONS=469} [2024-11-13 13:00:17,566 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 127 predicate places. [2024-11-13 13:00:17,566 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 469 transitions, 4139 flow [2024-11-13 13:00:17,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 152.0) internal successors, (1976), 13 states have internal predecessors, (1976), 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) [2024-11-13 13:00:17,567 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:17,568 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:00:17,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:00:17,568 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:00:17,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:17,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1941864830, now seen corresponding path program 4 times [2024-11-13 13:00:17,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:17,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891676377] [2024-11-13 13:00:17,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:17,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:00:18,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:18,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891676377] [2024-11-13 13:00:18,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891676377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:18,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:18,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:00:18,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685669489] [2024-11-13 13:00:18,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:18,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:00:18,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:18,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:00:18,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:00:20,959 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 191 [2024-11-13 13:00:20,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 469 transitions, 4139 flow. Second operand has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2024-11-13 13:00:20,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:20,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 191 [2024-11-13 13:00:20,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:22,251 INFO L124 PetriNetUnfolderBase]: 832/2672 cut-off events. [2024-11-13 13:00:22,251 INFO L125 PetriNetUnfolderBase]: For 12556/12748 co-relation queries the response was YES. [2024-11-13 13:00:22,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11748 conditions, 2672 events. 832/2672 cut-off events. For 12556/12748 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 19853 event pairs, 151 based on Foata normal form. 111/2752 useless extension candidates. Maximal degree in co-relation 11422. Up to 1199 conditions per place. [2024-11-13 13:00:22,286 INFO L140 encePairwiseOnDemand]: 171/191 looper letters, 192 selfloop transitions, 149 changer transitions 18/541 dead transitions. [2024-11-13 13:00:22,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 541 transitions, 5523 flow [2024-11-13 13:00:22,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:00:22,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-13 13:00:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1975 transitions. [2024-11-13 13:00:22,290 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8616928446771379 [2024-11-13 13:00:22,291 INFO L175 Difference]: Start difference. First operand has 317 places, 469 transitions, 4139 flow. Second operand 12 states and 1975 transitions. [2024-11-13 13:00:22,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 541 transitions, 5523 flow [2024-11-13 13:00:22,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 541 transitions, 5487 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-13 13:00:22,404 INFO L231 Difference]: Finished difference. Result has 327 places, 484 transitions, 4659 flow [2024-11-13 13:00:22,405 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=4107, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4659, PETRI_PLACES=327, PETRI_TRANSITIONS=484} [2024-11-13 13:00:22,406 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 137 predicate places. [2024-11-13 13:00:22,407 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 484 transitions, 4659 flow [2024-11-13 13:00:22,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2024-11-13 13:00:22,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:22,408 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:00:22,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:00:22,408 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:00:22,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:22,410 INFO L85 PathProgramCache]: Analyzing trace with hash -360811568, now seen corresponding path program 5 times [2024-11-13 13:00:22,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:22,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731558188] [2024-11-13 13:00:22,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:22,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:23,790 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:00:23,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:23,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731558188] [2024-11-13 13:00:23,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731558188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:23,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:23,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:00:23,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676535045] [2024-11-13 13:00:23,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:23,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:00:23,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:23,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:00:23,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:00:26,014 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:00:26,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 484 transitions, 4659 flow. Second operand has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:00:26,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:26,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:00:26,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:27,181 INFO L124 PetriNetUnfolderBase]: 786/2622 cut-off events. [2024-11-13 13:00:27,181 INFO L125 PetriNetUnfolderBase]: For 14778/14912 co-relation queries the response was YES. [2024-11-13 13:00:27,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12168 conditions, 2622 events. 786/2622 cut-off events. For 14778/14912 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 19740 event pairs, 57 based on Foata normal form. 59/2647 useless extension candidates. Maximal degree in co-relation 11912. Up to 621 conditions per place. [2024-11-13 13:00:27,208 INFO L140 encePairwiseOnDemand]: 173/191 looper letters, 377 selfloop transitions, 100 changer transitions 12/675 dead transitions. [2024-11-13 13:00:27,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 675 transitions, 7635 flow [2024-11-13 13:00:27,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:00:27,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:00:27,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1839 transitions. [2024-11-13 13:00:27,212 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8752974773917183 [2024-11-13 13:00:27,212 INFO L175 Difference]: Start difference. First operand has 327 places, 484 transitions, 4659 flow. Second operand 11 states and 1839 transitions. [2024-11-13 13:00:27,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 675 transitions, 7635 flow [2024-11-13 13:00:27,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 675 transitions, 7303 flow, removed 19 selfloop flow, removed 4 redundant places. [2024-11-13 13:00:27,346 INFO L231 Difference]: Finished difference. Result has 340 places, 510 transitions, 5153 flow [2024-11-13 13:00:27,346 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=4399, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5153, PETRI_PLACES=340, PETRI_TRANSITIONS=510} [2024-11-13 13:00:27,347 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 150 predicate places. [2024-11-13 13:00:27,347 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 510 transitions, 5153 flow [2024-11-13 13:00:27,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:00:27,348 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:27,348 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:00:27,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:00:27,348 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:00:27,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:27,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1692808288, now seen corresponding path program 6 times [2024-11-13 13:00:27,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:27,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579927739] [2024-11-13 13:00:27,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:27,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:00:28,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:28,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579927739] [2024-11-13 13:00:28,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579927739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:28,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:28,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:00:28,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891898612] [2024-11-13 13:00:28,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:28,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:00:28,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:28,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:00:28,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:00:30,547 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:00:30,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 510 transitions, 5153 flow. Second operand has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:00:30,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:30,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:00:30,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:31,551 INFO L124 PetriNetUnfolderBase]: 804/2648 cut-off events. [2024-11-13 13:00:31,551 INFO L125 PetriNetUnfolderBase]: For 17696/17860 co-relation queries the response was YES. [2024-11-13 13:00:31,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12911 conditions, 2648 events. 804/2648 cut-off events. For 17696/17860 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 19833 event pairs, 92 based on Foata normal form. 71/2683 useless extension candidates. Maximal degree in co-relation 12783. Up to 1101 conditions per place. [2024-11-13 13:00:31,572 INFO L140 encePairwiseOnDemand]: 171/191 looper letters, 217 selfloop transitions, 160 changer transitions 9/572 dead transitions. [2024-11-13 13:00:31,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 572 transitions, 6675 flow [2024-11-13 13:00:31,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:00:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 13:00:31,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1661 transitions. [2024-11-13 13:00:31,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8696335078534031 [2024-11-13 13:00:31,575 INFO L175 Difference]: Start difference. First operand has 340 places, 510 transitions, 5153 flow. Second operand 10 states and 1661 transitions. [2024-11-13 13:00:31,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 572 transitions, 6675 flow [2024-11-13 13:00:31,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 572 transitions, 6562 flow, removed 53 selfloop flow, removed 1 redundant places. [2024-11-13 13:00:31,674 INFO L231 Difference]: Finished difference. Result has 353 places, 530 transitions, 5793 flow [2024-11-13 13:00:31,676 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=5042, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5793, PETRI_PLACES=353, PETRI_TRANSITIONS=530} [2024-11-13 13:00:31,677 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 163 predicate places. [2024-11-13 13:00:31,678 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 530 transitions, 5793 flow [2024-11-13 13:00:31,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:00:31,679 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:31,679 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:00:31,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:00:31,679 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:00:31,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:31,680 INFO L85 PathProgramCache]: Analyzing trace with hash 714899588, now seen corresponding path program 7 times [2024-11-13 13:00:31,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:31,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448380450] [2024-11-13 13:00:31,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:31,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:00:32,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:32,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448380450] [2024-11-13 13:00:32,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448380450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:32,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:32,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:00:32,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810219643] [2024-11-13 13:00:32,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:32,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:00:32,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:32,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:00:32,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:00:35,657 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:00:35,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 530 transitions, 5793 flow. Second operand has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:00:35,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:35,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:00:35,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:37,430 INFO L124 PetriNetUnfolderBase]: 797/2645 cut-off events. [2024-11-13 13:00:37,430 INFO L125 PetriNetUnfolderBase]: For 20662/20801 co-relation queries the response was YES. [2024-11-13 13:00:37,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13423 conditions, 2645 events. 797/2645 cut-off events. For 20662/20801 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 19830 event pairs, 56 based on Foata normal form. 63/2675 useless extension candidates. Maximal degree in co-relation 13280. Up to 619 conditions per place. [2024-11-13 13:00:37,451 INFO L140 encePairwiseOnDemand]: 172/191 looper letters, 394 selfloop transitions, 115 changer transitions 17/712 dead transitions. [2024-11-13 13:00:37,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 712 transitions, 8726 flow [2024-11-13 13:00:37,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:00:37,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:00:37,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1857 transitions. [2024-11-13 13:00:37,455 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8838648262732033 [2024-11-13 13:00:37,455 INFO L175 Difference]: Start difference. First operand has 353 places, 530 transitions, 5793 flow. Second operand 11 states and 1857 transitions. [2024-11-13 13:00:37,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 712 transitions, 8726 flow [2024-11-13 13:00:37,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 712 transitions, 8556 flow, removed 52 selfloop flow, removed 2 redundant places. [2024-11-13 13:00:37,629 INFO L231 Difference]: Finished difference. Result has 366 places, 552 transitions, 6344 flow [2024-11-13 13:00:37,630 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=5638, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6344, PETRI_PLACES=366, PETRI_TRANSITIONS=552} [2024-11-13 13:00:37,631 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 176 predicate places. [2024-11-13 13:00:37,631 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 552 transitions, 6344 flow [2024-11-13 13:00:37,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:00:37,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:37,632 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:00:37,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:00:37,633 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:00:37,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:37,634 INFO L85 PathProgramCache]: Analyzing trace with hash -338729794, now seen corresponding path program 8 times [2024-11-13 13:00:37,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:37,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409694040] [2024-11-13 13:00:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:37,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:00:38,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:38,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409694040] [2024-11-13 13:00:38,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409694040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:38,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:38,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:00:38,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395735136] [2024-11-13 13:00:38,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:38,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:00:38,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:38,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:00:38,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:00:41,350 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 191 [2024-11-13 13:00:41,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 552 transitions, 6344 flow. Second operand has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2024-11-13 13:00:41,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:41,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 191 [2024-11-13 13:00:41,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:42,792 INFO L124 PetriNetUnfolderBase]: 866/2760 cut-off events. [2024-11-13 13:00:42,792 INFO L125 PetriNetUnfolderBase]: For 25364/25533 co-relation queries the response was YES. [2024-11-13 13:00:42,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14517 conditions, 2760 events. 866/2760 cut-off events. For 25364/25533 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 20626 event pairs, 147 based on Foata normal form. 69/2799 useless extension candidates. Maximal degree in co-relation 14364. Up to 1229 conditions per place. [2024-11-13 13:00:42,820 INFO L140 encePairwiseOnDemand]: 171/191 looper letters, 246 selfloop transitions, 179 changer transitions 18/625 dead transitions. [2024-11-13 13:00:42,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 625 transitions, 8183 flow [2024-11-13 13:00:42,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:00:42,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-13 13:00:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2271 transitions. [2024-11-13 13:00:42,826 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8492894540014959 [2024-11-13 13:00:42,826 INFO L175 Difference]: Start difference. First operand has 366 places, 552 transitions, 6344 flow. Second operand 14 states and 2271 transitions. [2024-11-13 13:00:42,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 625 transitions, 8183 flow [2024-11-13 13:00:43,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 625 transitions, 7868 flow, removed 65 selfloop flow, removed 4 redundant places. [2024-11-13 13:00:43,060 INFO L231 Difference]: Finished difference. Result has 383 places, 577 transitions, 7007 flow [2024-11-13 13:00:43,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=6040, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7007, PETRI_PLACES=383, PETRI_TRANSITIONS=577} [2024-11-13 13:00:43,062 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 193 predicate places. [2024-11-13 13:00:43,062 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 577 transitions, 7007 flow [2024-11-13 13:00:43,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2024-11-13 13:00:43,063 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:43,063 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:00:43,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:00:43,063 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:00:43,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:43,064 INFO L85 PathProgramCache]: Analyzing trace with hash 238586768, now seen corresponding path program 9 times [2024-11-13 13:00:43,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:43,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591537430] [2024-11-13 13:00:43,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:43,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:00:44,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:44,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591537430] [2024-11-13 13:00:44,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591537430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:44,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:44,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:00:44,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733905882] [2024-11-13 13:00:44,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:44,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:00:44,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:44,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:00:44,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:00:46,977 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 191 [2024-11-13 13:00:46,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 577 transitions, 7007 flow. Second operand has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2024-11-13 13:00:46,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:46,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 191 [2024-11-13 13:00:46,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:48,610 INFO L124 PetriNetUnfolderBase]: 868/2763 cut-off events. [2024-11-13 13:00:48,610 INFO L125 PetriNetUnfolderBase]: For 26452/26585 co-relation queries the response was YES. [2024-11-13 13:00:48,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14839 conditions, 2763 events. 868/2763 cut-off events. For 26452/26585 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 20614 event pairs, 63 based on Foata normal form. 56/2788 useless extension candidates. Maximal degree in co-relation 14670. Up to 699 conditions per place. [2024-11-13 13:00:48,644 INFO L140 encePairwiseOnDemand]: 170/191 looper letters, 395 selfloop transitions, 147 changer transitions 26/750 dead transitions. [2024-11-13 13:00:48,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 750 transitions, 9898 flow [2024-11-13 13:00:48,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:00:48,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:00:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1851 transitions. [2024-11-13 13:00:48,648 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8810090433127082 [2024-11-13 13:00:48,648 INFO L175 Difference]: Start difference. First operand has 383 places, 577 transitions, 7007 flow. Second operand 11 states and 1851 transitions. [2024-11-13 13:00:48,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 750 transitions, 9898 flow [2024-11-13 13:00:48,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 750 transitions, 9650 flow, removed 102 selfloop flow, removed 2 redundant places. [2024-11-13 13:00:48,917 INFO L231 Difference]: Finished difference. Result has 397 places, 591 transitions, 7482 flow [2024-11-13 13:00:48,918 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=6762, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7482, PETRI_PLACES=397, PETRI_TRANSITIONS=591} [2024-11-13 13:00:48,918 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 207 predicate places. [2024-11-13 13:00:48,918 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 591 transitions, 7482 flow [2024-11-13 13:00:48,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2024-11-13 13:00:48,919 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:48,920 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:00:48,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:00:48,920 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:00:48,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:48,922 INFO L85 PathProgramCache]: Analyzing trace with hash -787334115, now seen corresponding path program 1 times [2024-11-13 13:00:48,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:48,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704294938] [2024-11-13 13:00:48,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:48,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:00:50,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:50,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704294938] [2024-11-13 13:00:50,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704294938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:50,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:50,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:00:50,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100717208] [2024-11-13 13:00:50,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:50,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:00:50,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:50,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:00:50,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:00:52,311 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 191 [2024-11-13 13:00:52,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 591 transitions, 7482 flow. Second operand has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:00:52,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:52,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 191 [2024-11-13 13:00:52,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:53,385 INFO L124 PetriNetUnfolderBase]: 653/2311 cut-off events. [2024-11-13 13:00:53,385 INFO L125 PetriNetUnfolderBase]: For 29465/29824 co-relation queries the response was YES. [2024-11-13 13:00:53,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12843 conditions, 2311 events. 653/2311 cut-off events. For 29465/29824 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 17387 event pairs, 20 based on Foata normal form. 38/2340 useless extension candidates. Maximal degree in co-relation 12670. Up to 483 conditions per place. [2024-11-13 13:00:53,424 INFO L140 encePairwiseOnDemand]: 174/191 looper letters, 345 selfloop transitions, 135 changer transitions 26/739 dead transitions. [2024-11-13 13:00:53,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 739 transitions, 10085 flow [2024-11-13 13:00:53,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:00:53,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-13 13:00:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2712 transitions. [2024-11-13 13:00:53,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.887434554973822 [2024-11-13 13:00:53,428 INFO L175 Difference]: Start difference. First operand has 397 places, 591 transitions, 7482 flow. Second operand 16 states and 2712 transitions. [2024-11-13 13:00:53,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 739 transitions, 10085 flow [2024-11-13 13:00:53,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 739 transitions, 9847 flow, removed 44 selfloop flow, removed 4 redundant places. [2024-11-13 13:00:53,654 INFO L231 Difference]: Finished difference. Result has 417 places, 636 transitions, 8364 flow [2024-11-13 13:00:53,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=7282, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=8364, PETRI_PLACES=417, PETRI_TRANSITIONS=636} [2024-11-13 13:00:53,655 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 227 predicate places. [2024-11-13 13:00:53,655 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 636 transitions, 8364 flow [2024-11-13 13:00:53,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:00:53,655 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:53,656 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:00:53,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:00:53,656 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:00:53,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:53,656 INFO L85 PathProgramCache]: Analyzing trace with hash -233003588, now seen corresponding path program 10 times [2024-11-13 13:00:53,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:53,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252136326] [2024-11-13 13:00:53,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:53,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:55,206 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:00:55,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:55,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252136326] [2024-11-13 13:00:55,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252136326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:55,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:55,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:00:55,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959241401] [2024-11-13 13:00:55,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:55,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:00:55,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:55,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:00:55,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:00:57,235 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:00:57,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 636 transitions, 8364 flow. Second operand has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:00:57,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:57,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:00:57,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:59,084 INFO L124 PetriNetUnfolderBase]: 795/2653 cut-off events. [2024-11-13 13:00:59,084 INFO L125 PetriNetUnfolderBase]: For 29813/29967 co-relation queries the response was YES. [2024-11-13 13:00:59,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15181 conditions, 2653 events. 795/2653 cut-off events. For 29813/29967 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 19948 event pairs, 47 based on Foata normal form. 66/2683 useless extension candidates. Maximal degree in co-relation 14989. Up to 621 conditions per place. [2024-11-13 13:00:59,122 INFO L140 encePairwiseOnDemand]: 173/191 looper letters, 405 selfloop transitions, 147 changer transitions 9/752 dead transitions. [2024-11-13 13:00:59,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 752 transitions, 10750 flow [2024-11-13 13:00:59,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:00:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:00:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1847 transitions. [2024-11-13 13:00:59,125 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8791051880057116 [2024-11-13 13:00:59,125 INFO L175 Difference]: Start difference. First operand has 417 places, 636 transitions, 8364 flow. Second operand 11 states and 1847 transitions. [2024-11-13 13:00:59,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 752 transitions, 10750 flow [2024-11-13 13:00:59,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 752 transitions, 10677 flow, removed 14 selfloop flow, removed 5 redundant places. [2024-11-13 13:00:59,343 INFO L231 Difference]: Finished difference. Result has 421 places, 645 transitions, 8859 flow [2024-11-13 13:00:59,344 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=8300, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=636, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=8859, PETRI_PLACES=421, PETRI_TRANSITIONS=645} [2024-11-13 13:00:59,344 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 231 predicate places. [2024-11-13 13:00:59,345 INFO L471 AbstractCegarLoop]: Abstraction has has 421 places, 645 transitions, 8859 flow [2024-11-13 13:00:59,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:00:59,346 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:59,346 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:00:59,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:00:59,347 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:00:59,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:59,348 INFO L85 PathProgramCache]: Analyzing trace with hash -116454592, now seen corresponding path program 11 times [2024-11-13 13:00:59,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:59,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805016512] [2024-11-13 13:00:59,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:59,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:00,964 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:01:00,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:00,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805016512] [2024-11-13 13:01:00,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805016512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:00,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:00,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:01:00,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10828364] [2024-11-13 13:01:00,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:00,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:01:00,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:00,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:01:00,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:01:03,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:01:03,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 645 transitions, 8859 flow. Second operand has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:01:03,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:03,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:01:03,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:05,278 INFO L124 PetriNetUnfolderBase]: 791/2664 cut-off events. [2024-11-13 13:01:05,278 INFO L125 PetriNetUnfolderBase]: For 32416/32582 co-relation queries the response was YES. [2024-11-13 13:01:05,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15566 conditions, 2664 events. 791/2664 cut-off events. For 32416/32582 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 20139 event pairs, 79 based on Foata normal form. 69/2700 useless extension candidates. Maximal degree in co-relation 15373. Up to 620 conditions per place. [2024-11-13 13:01:05,302 INFO L140 encePairwiseOnDemand]: 173/191 looper letters, 414 selfloop transitions, 143 changer transitions 9/757 dead transitions. [2024-11-13 13:01:05,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 757 transitions, 11178 flow [2024-11-13 13:01:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:01:05,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:01:05,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1842 transitions. [2024-11-13 13:01:05,304 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8767253688719657 [2024-11-13 13:01:05,305 INFO L175 Difference]: Start difference. First operand has 421 places, 645 transitions, 8859 flow. Second operand 11 states and 1842 transitions. [2024-11-13 13:01:05,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 757 transitions, 11178 flow [2024-11-13 13:01:05,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 757 transitions, 10945 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-13 13:01:05,478 INFO L231 Difference]: Finished difference. Result has 429 places, 650 transitions, 9129 flow [2024-11-13 13:01:05,478 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=8629, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=645, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=9129, PETRI_PLACES=429, PETRI_TRANSITIONS=650} [2024-11-13 13:01:05,479 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 239 predicate places. [2024-11-13 13:01:05,479 INFO L471 AbstractCegarLoop]: Abstraction has has 429 places, 650 transitions, 9129 flow [2024-11-13 13:01:05,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:01:05,479 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:05,479 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:05,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:01:05,479 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:01:05,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:05,480 INFO L85 PathProgramCache]: Analyzing trace with hash -15171582, now seen corresponding path program 12 times [2024-11-13 13:01:05,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:05,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534203673] [2024-11-13 13:01:05,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:05,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:01:06,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:06,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534203673] [2024-11-13 13:01:06,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534203673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:06,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:06,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:01:06,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568097086] [2024-11-13 13:01:06,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:06,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:01:06,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:06,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:01:06,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:01:08,531 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:01:08,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 650 transitions, 9129 flow. Second operand has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:01:08,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:08,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:01:08,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:10,589 INFO L124 PetriNetUnfolderBase]: 793/2663 cut-off events. [2024-11-13 13:01:10,590 INFO L125 PetriNetUnfolderBase]: For 34172/34321 co-relation queries the response was YES. [2024-11-13 13:01:10,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15747 conditions, 2663 events. 793/2663 cut-off events. For 34172/34321 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 20159 event pairs, 85 based on Foata normal form. 68/2694 useless extension candidates. Maximal degree in co-relation 15550. Up to 1111 conditions per place. [2024-11-13 13:01:10,615 INFO L140 encePairwiseOnDemand]: 171/191 looper letters, 289 selfloop transitions, 203 changer transitions 9/692 dead transitions. [2024-11-13 13:01:10,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 692 transitions, 10734 flow [2024-11-13 13:01:10,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:01:10,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-13 13:01:10,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2139 transitions. [2024-11-13 13:01:10,619 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8614579138139348 [2024-11-13 13:01:10,619 INFO L175 Difference]: Start difference. First operand has 429 places, 650 transitions, 9129 flow. Second operand 13 states and 2139 transitions. [2024-11-13 13:01:10,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 692 transitions, 10734 flow [2024-11-13 13:01:10,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 692 transitions, 10514 flow, removed 18 selfloop flow, removed 5 redundant places. [2024-11-13 13:01:10,857 INFO L231 Difference]: Finished difference. Result has 440 places, 661 transitions, 9617 flow [2024-11-13 13:01:10,857 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=8911, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=650, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=9617, PETRI_PLACES=440, PETRI_TRANSITIONS=661} [2024-11-13 13:01:10,858 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 250 predicate places. [2024-11-13 13:01:10,858 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 661 transitions, 9617 flow [2024-11-13 13:01:10,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:01:10,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:10,859 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:10,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:01:10,859 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:01:10,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:10,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1470274474, now seen corresponding path program 13 times [2024-11-13 13:01:10,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:10,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451168156] [2024-11-13 13:01:10,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:10,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:01:12,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:12,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451168156] [2024-11-13 13:01:12,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451168156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:12,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:12,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:01:12,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214710371] [2024-11-13 13:01:12,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:12,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:01:12,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:12,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:01:12,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:01:14,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:01:14,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 661 transitions, 9617 flow. Second operand has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:01:14,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:14,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:01:14,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:16,798 INFO L124 PetriNetUnfolderBase]: 791/2655 cut-off events. [2024-11-13 13:01:16,798 INFO L125 PetriNetUnfolderBase]: For 35988/36139 co-relation queries the response was YES. [2024-11-13 13:01:16,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15922 conditions, 2655 events. 791/2655 cut-off events. For 35988/36139 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 20057 event pairs, 83 based on Foata normal form. 76/2694 useless extension candidates. Maximal degree in co-relation 15715. Up to 1118 conditions per place. [2024-11-13 13:01:16,831 INFO L140 encePairwiseOnDemand]: 171/191 looper letters, 283 selfloop transitions, 213 changer transitions 9/696 dead transitions. [2024-11-13 13:01:16,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 696 transitions, 11023 flow [2024-11-13 13:01:16,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:01:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:01:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1825 transitions. [2024-11-13 13:01:16,834 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8686339838172299 [2024-11-13 13:01:16,834 INFO L175 Difference]: Start difference. First operand has 440 places, 661 transitions, 9617 flow. Second operand 11 states and 1825 transitions. [2024-11-13 13:01:16,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 696 transitions, 11023 flow [2024-11-13 13:01:17,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 696 transitions, 10587 flow, removed 40 selfloop flow, removed 7 redundant places. [2024-11-13 13:01:17,179 INFO L231 Difference]: Finished difference. Result has 445 places, 663 transitions, 9656 flow [2024-11-13 13:01:17,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=9181, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=661, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=9656, PETRI_PLACES=445, PETRI_TRANSITIONS=663} [2024-11-13 13:01:17,181 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 255 predicate places. [2024-11-13 13:01:17,181 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 663 transitions, 9656 flow [2024-11-13 13:01:17,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:01:17,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:17,181 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:17,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 13:01:17,181 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:01:17,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:17,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1949250466, now seen corresponding path program 14 times [2024-11-13 13:01:17,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:17,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471956078] [2024-11-13 13:01:17,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:17,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:01:18,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:18,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471956078] [2024-11-13 13:01:18,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471956078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:18,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:18,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:01:18,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857773836] [2024-11-13 13:01:18,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:18,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:01:18,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:18,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:01:18,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:01:20,575 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:01:20,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 663 transitions, 9656 flow. Second operand has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:01:20,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:20,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:01:20,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:21,940 INFO L124 PetriNetUnfolderBase]: 795/2684 cut-off events. [2024-11-13 13:01:21,941 INFO L125 PetriNetUnfolderBase]: For 36569/36733 co-relation queries the response was YES. [2024-11-13 13:01:21,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16150 conditions, 2684 events. 795/2684 cut-off events. For 36569/36733 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 20350 event pairs, 117 based on Foata normal form. 67/2717 useless extension candidates. Maximal degree in co-relation 15938. Up to 1101 conditions per place. [2024-11-13 13:01:21,962 INFO L140 encePairwiseOnDemand]: 171/191 looper letters, 309 selfloop transitions, 200 changer transitions 9/709 dead transitions. [2024-11-13 13:01:21,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 709 transitions, 11280 flow [2024-11-13 13:01:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:01:21,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 13:01:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1656 transitions. [2024-11-13 13:01:21,964 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8670157068062827 [2024-11-13 13:01:21,964 INFO L175 Difference]: Start difference. First operand has 445 places, 663 transitions, 9656 flow. Second operand 10 states and 1656 transitions. [2024-11-13 13:01:21,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 709 transitions, 11280 flow [2024-11-13 13:01:22,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 709 transitions, 10835 flow, removed 9 selfloop flow, removed 7 redundant places. [2024-11-13 13:01:22,289 INFO L231 Difference]: Finished difference. Result has 452 places, 676 transitions, 9908 flow [2024-11-13 13:01:22,290 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=9237, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=663, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=9908, PETRI_PLACES=452, PETRI_TRANSITIONS=676} [2024-11-13 13:01:22,290 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 262 predicate places. [2024-11-13 13:01:22,290 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 676 transitions, 9908 flow [2024-11-13 13:01:22,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:01:22,291 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:22,291 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:22,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 13:01:22,291 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:01:22,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:22,292 INFO L85 PathProgramCache]: Analyzing trace with hash -810320150, now seen corresponding path program 15 times [2024-11-13 13:01:22,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:22,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718577112] [2024-11-13 13:01:22,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:22,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:01:23,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:23,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718577112] [2024-11-13 13:01:23,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718577112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:23,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:23,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:01:23,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647688617] [2024-11-13 13:01:23,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:23,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:01:23,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:23,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:01:23,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:01:26,117 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:01:26,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 676 transitions, 9908 flow. Second operand has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:01:26,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:26,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:01:26,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:27,635 INFO L124 PetriNetUnfolderBase]: 800/2702 cut-off events. [2024-11-13 13:01:27,635 INFO L125 PetriNetUnfolderBase]: For 37688/37852 co-relation queries the response was YES. [2024-11-13 13:01:27,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16329 conditions, 2702 events. 800/2702 cut-off events. For 37688/37852 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 20595 event pairs, 117 based on Foata normal form. 71/2739 useless extension candidates. Maximal degree in co-relation 16108. Up to 1107 conditions per place. [2024-11-13 13:01:27,657 INFO L140 encePairwiseOnDemand]: 171/191 looper letters, 299 selfloop transitions, 217 changer transitions 9/716 dead transitions. [2024-11-13 13:01:27,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 716 transitions, 11527 flow [2024-11-13 13:01:27,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:01:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-13 13:01:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2292 transitions. [2024-11-13 13:01:27,659 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2024-11-13 13:01:27,659 INFO L175 Difference]: Start difference. First operand has 452 places, 676 transitions, 9908 flow. Second operand 14 states and 2292 transitions. [2024-11-13 13:01:27,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 716 transitions, 11527 flow [2024-11-13 13:01:27,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 716 transitions, 11190 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-13 13:01:27,893 INFO L231 Difference]: Finished difference. Result has 466 places, 687 transitions, 10312 flow [2024-11-13 13:01:27,894 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=9580, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=676, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=206, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10312, PETRI_PLACES=466, PETRI_TRANSITIONS=687} [2024-11-13 13:01:27,894 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 276 predicate places. [2024-11-13 13:01:27,895 INFO L471 AbstractCegarLoop]: Abstraction has has 466 places, 687 transitions, 10312 flow [2024-11-13 13:01:27,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:01:27,895 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:27,895 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:27,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 13:01:27,895 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:01:27,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:27,896 INFO L85 PathProgramCache]: Analyzing trace with hash 27741770, now seen corresponding path program 16 times [2024-11-13 13:01:27,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:27,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851560237] [2024-11-13 13:01:27,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:27,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:28,963 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:01:28,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:28,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851560237] [2024-11-13 13:01:28,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851560237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:28,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:28,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:01:28,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935640867] [2024-11-13 13:01:28,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:28,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:01:28,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:28,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:01:28,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:01:31,493 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:01:31,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 687 transitions, 10312 flow. Second operand has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:01:31,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:31,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:01:31,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:33,262 INFO L124 PetriNetUnfolderBase]: 802/2697 cut-off events. [2024-11-13 13:01:33,262 INFO L125 PetriNetUnfolderBase]: For 38894/39046 co-relation queries the response was YES. [2024-11-13 13:01:33,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16460 conditions, 2697 events. 802/2697 cut-off events. For 38894/39046 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 20516 event pairs, 85 based on Foata normal form. 57/2718 useless extension candidates. Maximal degree in co-relation 16231. Up to 1109 conditions per place. [2024-11-13 13:01:33,305 INFO L140 encePairwiseOnDemand]: 171/191 looper letters, 306 selfloop transitions, 216 changer transitions 9/722 dead transitions. [2024-11-13 13:01:33,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 722 transitions, 11854 flow [2024-11-13 13:01:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:01:33,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-13 13:01:33,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2135 transitions. [2024-11-13 13:01:33,308 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8598469593233992 [2024-11-13 13:01:33,308 INFO L175 Difference]: Start difference. First operand has 466 places, 687 transitions, 10312 flow. Second operand 13 states and 2135 transitions. [2024-11-13 13:01:33,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 722 transitions, 11854 flow [2024-11-13 13:01:33,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 722 transitions, 11445 flow, removed 9 selfloop flow, removed 9 redundant places. [2024-11-13 13:01:33,623 INFO L231 Difference]: Finished difference. Result has 473 places, 695 transitions, 10595 flow [2024-11-13 13:01:33,623 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=9910, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=687, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10595, PETRI_PLACES=473, PETRI_TRANSITIONS=695} [2024-11-13 13:01:33,624 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 283 predicate places. [2024-11-13 13:01:33,624 INFO L471 AbstractCegarLoop]: Abstraction has has 473 places, 695 transitions, 10595 flow [2024-11-13 13:01:33,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 158.0) internal successors, (1580), 10 states have internal predecessors, (1580), 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) [2024-11-13 13:01:33,624 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:33,625 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:33,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 13:01:33,625 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:01:33,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:33,625 INFO L85 PathProgramCache]: Analyzing trace with hash 2137915971, now seen corresponding path program 1 times [2024-11-13 13:01:33,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:33,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147346529] [2024-11-13 13:01:33,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:33,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:01:44,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:44,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147346529] [2024-11-13 13:01:44,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147346529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:44,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:44,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:01:44,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295203245] [2024-11-13 13:01:44,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:44,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:01:44,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:44,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:01:44,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:01:50,588 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:01:50,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 695 transitions, 10595 flow. Second operand has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:01:50,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:50,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:01:50,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:53,715 INFO L124 PetriNetUnfolderBase]: 754/2680 cut-off events. [2024-11-13 13:01:53,715 INFO L125 PetriNetUnfolderBase]: For 41169/41356 co-relation queries the response was YES. [2024-11-13 13:01:53,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15994 conditions, 2680 events. 754/2680 cut-off events. For 41169/41356 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 20856 event pairs, 32 based on Foata normal form. 61/2723 useless extension candidates. Maximal degree in co-relation 15766. Up to 558 conditions per place. [2024-11-13 13:01:53,742 INFO L140 encePairwiseOnDemand]: 169/191 looper letters, 406 selfloop transitions, 113 changer transitions 16/885 dead transitions. [2024-11-13 13:01:53,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 885 transitions, 13839 flow [2024-11-13 13:01:53,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:01:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-13 13:01:53,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2773 transitions. [2024-11-13 13:01:53,745 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8540190945488143 [2024-11-13 13:01:53,745 INFO L175 Difference]: Start difference. First operand has 473 places, 695 transitions, 10595 flow. Second operand 17 states and 2773 transitions. [2024-11-13 13:01:53,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 885 transitions, 13839 flow [2024-11-13 13:01:53,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 885 transitions, 13375 flow, removed 11 selfloop flow, removed 8 redundant places. [2024-11-13 13:01:54,005 INFO L231 Difference]: Finished difference. Result has 489 places, 761 transitions, 11548 flow [2024-11-13 13:01:54,005 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=10179, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11548, PETRI_PLACES=489, PETRI_TRANSITIONS=761} [2024-11-13 13:01:54,006 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 299 predicate places. [2024-11-13 13:01:54,006 INFO L471 AbstractCegarLoop]: Abstraction has has 489 places, 761 transitions, 11548 flow [2024-11-13 13:01:54,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:01:54,006 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:54,007 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:01:54,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 13:01:54,007 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:01:54,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:54,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1834449085, now seen corresponding path program 2 times [2024-11-13 13:01:54,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:54,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320714483] [2024-11-13 13:01:54,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:54,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:02:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:02:02,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:02:02,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320714483] [2024-11-13 13:02:02,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320714483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:02:02,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:02:02,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:02:02,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661408263] [2024-11-13 13:02:02,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:02:02,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:02:02,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:02:02,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:02:02,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:02:08,194 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:02:08,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 761 transitions, 11548 flow. Second operand has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:02:08,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:02:08,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:02:08,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:02:10,441 INFO L124 PetriNetUnfolderBase]: 775/2747 cut-off events. [2024-11-13 13:02:10,441 INFO L125 PetriNetUnfolderBase]: For 46395/46649 co-relation queries the response was YES. [2024-11-13 13:02:10,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16888 conditions, 2747 events. 775/2747 cut-off events. For 46395/46649 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 21500 event pairs, 31 based on Foata normal form. 89/2822 useless extension candidates. Maximal degree in co-relation 16658. Up to 940 conditions per place. [2024-11-13 13:02:10,475 INFO L140 encePairwiseOnDemand]: 169/191 looper letters, 335 selfloop transitions, 140 changer transitions 21/846 dead transitions. [2024-11-13 13:02:10,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 846 transitions, 14235 flow [2024-11-13 13:02:10,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 13:02:10,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-13 13:02:10,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2434 transitions. [2024-11-13 13:02:10,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.84956369982548 [2024-11-13 13:02:10,478 INFO L175 Difference]: Start difference. First operand has 489 places, 761 transitions, 11548 flow. Second operand 15 states and 2434 transitions. [2024-11-13 13:02:10,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 846 transitions, 14235 flow [2024-11-13 13:02:10,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 846 transitions, 14003 flow, removed 18 selfloop flow, removed 7 redundant places. [2024-11-13 13:02:10,856 INFO L231 Difference]: Finished difference. Result has 499 places, 793 transitions, 12817 flow [2024-11-13 13:02:10,857 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=11368, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=761, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=636, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12817, PETRI_PLACES=499, PETRI_TRANSITIONS=793} [2024-11-13 13:02:10,857 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 309 predicate places. [2024-11-13 13:02:10,858 INFO L471 AbstractCegarLoop]: Abstraction has has 499 places, 793 transitions, 12817 flow [2024-11-13 13:02:10,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:02:10,858 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:02:10,859 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:02:10,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 13:02:10,859 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:02:10,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:02:10,859 INFO L85 PathProgramCache]: Analyzing trace with hash 476870333, now seen corresponding path program 3 times [2024-11-13 13:02:10,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:02:10,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197212729] [2024-11-13 13:02:10,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:02:10,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:02:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:02:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:02:12,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:02:12,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197212729] [2024-11-13 13:02:12,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197212729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:02:12,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:02:12,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:02:12,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45053547] [2024-11-13 13:02:12,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:02:12,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:02:12,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:02:12,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:02:12,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:02:15,185 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 191 [2024-11-13 13:02:15,185 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 499 places, 793 transitions, 12817 flow. Second operand has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:02:15,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:02:15,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 191 [2024-11-13 13:02:15,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:02:16,944 INFO L124 PetriNetUnfolderBase]: 820/2852 cut-off events. [2024-11-13 13:02:16,944 INFO L125 PetriNetUnfolderBase]: For 60369/60778 co-relation queries the response was YES. [2024-11-13 13:02:16,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18216 conditions, 2852 events. 820/2852 cut-off events. For 60369/60778 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 22500 event pairs, 34 based on Foata normal form. 139/2975 useless extension candidates. Maximal degree in co-relation 17983. Up to 977 conditions per place. [2024-11-13 13:02:16,982 INFO L140 encePairwiseOnDemand]: 175/191 looper letters, 348 selfloop transitions, 167 changer transitions 5/876 dead transitions. [2024-11-13 13:02:16,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 876 transitions, 15593 flow [2024-11-13 13:02:16,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:02:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:02:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1869 transitions. [2024-11-13 13:02:16,985 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8895763921941933 [2024-11-13 13:02:16,985 INFO L175 Difference]: Start difference. First operand has 499 places, 793 transitions, 12817 flow. Second operand 11 states and 1869 transitions. [2024-11-13 13:02:16,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 876 transitions, 15593 flow [2024-11-13 13:02:17,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 876 transitions, 15492 flow, removed 12 selfloop flow, removed 9 redundant places. [2024-11-13 13:02:17,438 INFO L231 Difference]: Finished difference. Result has 506 places, 837 transitions, 14618 flow [2024-11-13 13:02:17,439 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=12722, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=793, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=14618, PETRI_PLACES=506, PETRI_TRANSITIONS=837} [2024-11-13 13:02:17,440 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 316 predicate places. [2024-11-13 13:02:17,440 INFO L471 AbstractCegarLoop]: Abstraction has has 506 places, 837 transitions, 14618 flow [2024-11-13 13:02:17,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:02:17,445 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:02:17,445 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:02:17,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 13:02:17,445 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:02:17,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:02:17,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1221274829, now seen corresponding path program 4 times [2024-11-13 13:02:17,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:02:17,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330560859] [2024-11-13 13:02:17,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:02:17,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:02:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:02:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:02:19,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:02:19,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330560859] [2024-11-13 13:02:19,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330560859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:02:19,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:02:19,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:02:19,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635972416] [2024-11-13 13:02:19,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:02:19,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:02:19,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:02:19,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:02:19,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:02:22,871 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 191 [2024-11-13 13:02:22,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 506 places, 837 transitions, 14618 flow. Second operand has 11 states, 11 states have (on average 162.36363636363637) internal successors, (1786), 11 states have internal predecessors, (1786), 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) [2024-11-13 13:02:22,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:02:22,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 191 [2024-11-13 13:02:22,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:02:24,991 INFO L124 PetriNetUnfolderBase]: 885/3090 cut-off events. [2024-11-13 13:02:24,991 INFO L125 PetriNetUnfolderBase]: For 79905/80465 co-relation queries the response was YES. [2024-11-13 13:02:25,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20408 conditions, 3090 events. 885/3090 cut-off events. For 79905/80465 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 24960 event pairs, 45 based on Foata normal form. 137/3211 useless extension candidates. Maximal degree in co-relation 20032. Up to 955 conditions per place. [2024-11-13 13:02:25,041 INFO L140 encePairwiseOnDemand]: 175/191 looper letters, 405 selfloop transitions, 202 changer transitions 5/967 dead transitions. [2024-11-13 13:02:25,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 967 transitions, 18209 flow [2024-11-13 13:02:25,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:02:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:02:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1868 transitions. [2024-11-13 13:02:25,044 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8891004283674441 [2024-11-13 13:02:25,044 INFO L175 Difference]: Start difference. First operand has 506 places, 837 transitions, 14618 flow. Second operand 11 states and 1868 transitions. [2024-11-13 13:02:25,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 967 transitions, 18209 flow [2024-11-13 13:02:25,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 967 transitions, 18054 flow, removed 48 selfloop flow, removed 3 redundant places. [2024-11-13 13:02:25,556 INFO L231 Difference]: Finished difference. Result has 522 places, 898 transitions, 16906 flow [2024-11-13 13:02:25,556 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=14500, PETRI_DIFFERENCE_MINUEND_PLACES=503, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=652, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16906, PETRI_PLACES=522, PETRI_TRANSITIONS=898} [2024-11-13 13:02:25,557 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 332 predicate places. [2024-11-13 13:02:25,557 INFO L471 AbstractCegarLoop]: Abstraction has has 522 places, 898 transitions, 16906 flow [2024-11-13 13:02:25,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 162.36363636363637) internal successors, (1786), 11 states have internal predecessors, (1786), 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) [2024-11-13 13:02:25,558 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:02:25,558 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:02:25,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 13:02:25,559 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:02:25,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:02:25,559 INFO L85 PathProgramCache]: Analyzing trace with hash 22165891, now seen corresponding path program 5 times [2024-11-13 13:02:25,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:02:25,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638892678] [2024-11-13 13:02:25,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:02:25,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:02:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:02:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:02:35,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:02:35,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638892678] [2024-11-13 13:02:35,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638892678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:02:35,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:02:35,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:02:35,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662654824] [2024-11-13 13:02:35,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:02:35,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:02:35,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:02:35,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:02:35,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:02:40,508 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:02:40,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 898 transitions, 16906 flow. Second operand has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:02:40,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:02:40,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:02:40,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:02:44,520 INFO L124 PetriNetUnfolderBase]: 992/3419 cut-off events. [2024-11-13 13:02:44,520 INFO L125 PetriNetUnfolderBase]: For 122599/123514 co-relation queries the response was YES. [2024-11-13 13:02:44,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23987 conditions, 3419 events. 992/3419 cut-off events. For 122599/123514 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 28666 event pairs, 39 based on Foata normal form. 297/3695 useless extension candidates. Maximal degree in co-relation 23738. Up to 1150 conditions per place. [2024-11-13 13:02:44,584 INFO L140 encePairwiseOnDemand]: 169/191 looper letters, 400 selfloop transitions, 297 changer transitions 13/1060 dead transitions. [2024-11-13 13:02:44,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 1060 transitions, 22378 flow [2024-11-13 13:02:44,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 13:02:44,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-13 13:02:44,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3241 transitions. [2024-11-13 13:02:44,588 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8484293193717277 [2024-11-13 13:02:44,589 INFO L175 Difference]: Start difference. First operand has 522 places, 898 transitions, 16906 flow. Second operand 20 states and 3241 transitions. [2024-11-13 13:02:44,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 1060 transitions, 22378 flow [2024-11-13 13:02:45,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 1060 transitions, 22144 flow, removed 100 selfloop flow, removed 2 redundant places. [2024-11-13 13:02:45,314 INFO L231 Difference]: Finished difference. Result has 547 places, 995 transitions, 20751 flow [2024-11-13 13:02:45,315 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=16764, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=898, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=212, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=20751, PETRI_PLACES=547, PETRI_TRANSITIONS=995} [2024-11-13 13:02:45,316 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 357 predicate places. [2024-11-13 13:02:45,316 INFO L471 AbstractCegarLoop]: Abstraction has has 547 places, 995 transitions, 20751 flow [2024-11-13 13:02:45,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:02:45,318 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:02:45,318 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:02:45,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 13:02:45,318 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:02:45,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:02:45,319 INFO L85 PathProgramCache]: Analyzing trace with hash 697121841, now seen corresponding path program 6 times [2024-11-13 13:02:45,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:02:45,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279634422] [2024-11-13 13:02:45,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:02:45,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:02:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:02:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:02:51,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:02:51,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279634422] [2024-11-13 13:02:51,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279634422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:02:51,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:02:51,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:02:51,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189018399] [2024-11-13 13:02:51,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:02:51,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:02:51,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:02:51,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:02:51,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:02:56,946 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:02:56,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 995 transitions, 20751 flow. Second operand has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:02:56,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:02:56,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:02:56,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:03:02,008 INFO L124 PetriNetUnfolderBase]: 1015/3475 cut-off events. [2024-11-13 13:03:02,008 INFO L125 PetriNetUnfolderBase]: For 143324/144378 co-relation queries the response was YES. [2024-11-13 13:03:02,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25376 conditions, 3475 events. 1015/3475 cut-off events. For 143324/144378 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 29308 event pairs, 35 based on Foata normal form. 333/3784 useless extension candidates. Maximal degree in co-relation 25120. Up to 1055 conditions per place. [2024-11-13 13:03:02,074 INFO L140 encePairwiseOnDemand]: 169/191 looper letters, 393 selfloop transitions, 348 changer transitions 14/1105 dead transitions. [2024-11-13 13:03:02,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 1105 transitions, 24397 flow [2024-11-13 13:03:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 13:03:02,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-13 13:03:02,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3244 transitions. [2024-11-13 13:03:02,078 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8492146596858638 [2024-11-13 13:03:02,079 INFO L175 Difference]: Start difference. First operand has 547 places, 995 transitions, 20751 flow. Second operand 20 states and 3244 transitions. [2024-11-13 13:03:02,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 1105 transitions, 24397 flow [2024-11-13 13:03:03,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 1105 transitions, 24179 flow, removed 81 selfloop flow, removed 7 redundant places. [2024-11-13 13:03:03,098 INFO L231 Difference]: Finished difference. Result has 568 places, 1037 transitions, 22893 flow [2024-11-13 13:03:03,099 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=20546, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=305, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=668, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=22893, PETRI_PLACES=568, PETRI_TRANSITIONS=1037} [2024-11-13 13:03:03,099 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 378 predicate places. [2024-11-13 13:03:03,099 INFO L471 AbstractCegarLoop]: Abstraction has has 568 places, 1037 transitions, 22893 flow [2024-11-13 13:03:03,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:03:03,100 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:03:03,100 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:03:03,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 13:03:03,100 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:03:03,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:03:03,101 INFO L85 PathProgramCache]: Analyzing trace with hash 2086518865, now seen corresponding path program 7 times [2024-11-13 13:03:03,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:03:03,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064407433] [2024-11-13 13:03:03,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:03:03,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:03:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:03:05,025 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:03:05,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:03:05,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064407433] [2024-11-13 13:03:05,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064407433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:03:05,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:03:05,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:03:05,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392653348] [2024-11-13 13:03:05,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:03:05,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:03:05,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:03:05,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:03:05,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:03:07,562 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 191 [2024-11-13 13:03:07,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 1037 transitions, 22893 flow. Second operand has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:03:07,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:03:07,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 191 [2024-11-13 13:03:07,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:03:10,005 INFO L124 PetriNetUnfolderBase]: 1026/3559 cut-off events. [2024-11-13 13:03:10,005 INFO L125 PetriNetUnfolderBase]: For 151291/152166 co-relation queries the response was YES. [2024-11-13 13:03:10,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26670 conditions, 3559 events. 1026/3559 cut-off events. For 151291/152166 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 30283 event pairs, 39 based on Foata normal form. 274/3805 useless extension candidates. Maximal degree in co-relation 26405. Up to 1185 conditions per place. [2024-11-13 13:03:10,055 INFO L140 encePairwiseOnDemand]: 175/191 looper letters, 441 selfloop transitions, 291 changer transitions 6/1094 dead transitions. [2024-11-13 13:03:10,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 1094 transitions, 25162 flow [2024-11-13 13:03:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:03:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:03:10,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1873 transitions. [2024-11-13 13:03:10,058 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8914802475011899 [2024-11-13 13:03:10,058 INFO L175 Difference]: Start difference. First operand has 568 places, 1037 transitions, 22893 flow. Second operand 11 states and 1873 transitions. [2024-11-13 13:03:10,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 1094 transitions, 25162 flow [2024-11-13 13:03:11,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 1094 transitions, 24669 flow, removed 64 selfloop flow, removed 9 redundant places. [2024-11-13 13:03:11,086 INFO L231 Difference]: Finished difference. Result has 573 places, 1046 transitions, 23291 flow [2024-11-13 13:03:11,087 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=22404, PETRI_DIFFERENCE_MINUEND_PLACES=559, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1037, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=746, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=23291, PETRI_PLACES=573, PETRI_TRANSITIONS=1046} [2024-11-13 13:03:11,088 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 383 predicate places. [2024-11-13 13:03:11,088 INFO L471 AbstractCegarLoop]: Abstraction has has 573 places, 1046 transitions, 23291 flow [2024-11-13 13:03:11,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:03:11,088 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:03:11,088 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:03:11,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 13:03:11,089 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:03:11,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:03:11,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1506992199, now seen corresponding path program 8 times [2024-11-13 13:03:11,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:03:11,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972633079] [2024-11-13 13:03:11,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:03:11,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:03:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:03:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:03:12,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:03:12,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972633079] [2024-11-13 13:03:12,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972633079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:03:12,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:03:12,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:03:12,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810679878] [2024-11-13 13:03:12,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:03:12,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:03:12,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:03:12,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:03:12,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:03:15,629 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 191 [2024-11-13 13:03:15,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 1046 transitions, 23291 flow. Second operand has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:03:15,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:03:15,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 191 [2024-11-13 13:03:15,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:03:17,994 INFO L124 PetriNetUnfolderBase]: 1045/3600 cut-off events. [2024-11-13 13:03:17,994 INFO L125 PetriNetUnfolderBase]: For 168004/169121 co-relation queries the response was YES. [2024-11-13 13:03:18,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27936 conditions, 3600 events. 1045/3600 cut-off events. For 168004/169121 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 30794 event pairs, 35 based on Foata normal form. 355/3927 useless extension candidates. Maximal degree in co-relation 27668. Up to 1220 conditions per place. [2024-11-13 13:03:18,064 INFO L140 encePairwiseOnDemand]: 175/191 looper letters, 432 selfloop transitions, 331 changer transitions 8/1127 dead transitions. [2024-11-13 13:03:18,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 586 places, 1127 transitions, 26742 flow [2024-11-13 13:03:18,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:03:18,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-13 13:03:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2378 transitions. [2024-11-13 13:03:18,067 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8893044128646223 [2024-11-13 13:03:18,067 INFO L175 Difference]: Start difference. First operand has 573 places, 1046 transitions, 23291 flow. Second operand 14 states and 2378 transitions. [2024-11-13 13:03:18,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 586 places, 1127 transitions, 26742 flow [2024-11-13 13:03:19,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 1127 transitions, 26031 flow, removed 20 selfloop flow, removed 6 redundant places. [2024-11-13 13:03:19,085 INFO L231 Difference]: Finished difference. Result has 584 places, 1073 transitions, 24663 flow [2024-11-13 13:03:19,086 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=22630, PETRI_DIFFERENCE_MINUEND_PLACES=567, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=300, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=735, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=24663, PETRI_PLACES=584, PETRI_TRANSITIONS=1073} [2024-11-13 13:03:19,086 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 394 predicate places. [2024-11-13 13:03:19,086 INFO L471 AbstractCegarLoop]: Abstraction has has 584 places, 1073 transitions, 24663 flow [2024-11-13 13:03:19,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:03:19,087 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:03:19,087 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:03:19,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 13:03:19,088 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:03:19,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:03:19,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1466377643, now seen corresponding path program 9 times [2024-11-13 13:03:19,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:03:19,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857368839] [2024-11-13 13:03:19,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:03:19,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:03:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:03:24,804 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:03:24,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:03:24,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857368839] [2024-11-13 13:03:24,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857368839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:03:24,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:03:24,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:03:24,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992056136] [2024-11-13 13:03:24,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:03:24,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:03:24,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:03:24,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:03:24,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:03:30,599 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:03:30,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 1073 transitions, 24663 flow. Second operand has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:03:30,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:03:30,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:03:30,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:03:34,736 INFO L124 PetriNetUnfolderBase]: 1084/3744 cut-off events. [2024-11-13 13:03:34,736 INFO L125 PetriNetUnfolderBase]: For 179689/180827 co-relation queries the response was YES. [2024-11-13 13:03:34,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29430 conditions, 3744 events. 1084/3744 cut-off events. For 179689/180827 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 32343 event pairs, 32 based on Foata normal form. 384/4097 useless extension candidates. Maximal degree in co-relation 29158. Up to 1120 conditions per place. [2024-11-13 13:03:34,805 INFO L140 encePairwiseOnDemand]: 169/191 looper letters, 436 selfloop transitions, 381 changer transitions 14/1181 dead transitions. [2024-11-13 13:03:34,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 1181 transitions, 28506 flow [2024-11-13 13:03:34,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:03:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-13 13:03:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2932 transitions. [2024-11-13 13:03:34,809 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8528214077952297 [2024-11-13 13:03:34,809 INFO L175 Difference]: Start difference. First operand has 584 places, 1073 transitions, 24663 flow. Second operand 18 states and 2932 transitions. [2024-11-13 13:03:34,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 1181 transitions, 28506 flow [2024-11-13 13:03:36,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 1181 transitions, 28102 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-13 13:03:36,108 INFO L231 Difference]: Finished difference. Result has 602 places, 1109 transitions, 26647 flow [2024-11-13 13:03:36,109 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=24297, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1073, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=344, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=26647, PETRI_PLACES=602, PETRI_TRANSITIONS=1109} [2024-11-13 13:03:36,109 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 412 predicate places. [2024-11-13 13:03:36,110 INFO L471 AbstractCegarLoop]: Abstraction has has 602 places, 1109 transitions, 26647 flow [2024-11-13 13:03:36,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:03:36,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:03:36,110 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:03:36,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 13:03:36,110 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:03:36,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:03:36,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1957191321, now seen corresponding path program 10 times [2024-11-13 13:03:36,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:03:36,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590347821] [2024-11-13 13:03:36,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:03:36,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:03:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:03:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:03:38,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:03:38,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590347821] [2024-11-13 13:03:38,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590347821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:03:38,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:03:38,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:03:38,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185744270] [2024-11-13 13:03:38,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:03:38,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:03:38,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:03:38,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:03:38,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:03:41,049 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 191 [2024-11-13 13:03:41,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 602 places, 1109 transitions, 26647 flow. Second operand has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:03:41,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:03:41,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 191 [2024-11-13 13:03:41,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:03:43,666 INFO L124 PetriNetUnfolderBase]: 1101/3779 cut-off events. [2024-11-13 13:03:43,666 INFO L125 PetriNetUnfolderBase]: For 205218/206502 co-relation queries the response was YES. [2024-11-13 13:03:43,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30724 conditions, 3779 events. 1101/3779 cut-off events. For 205218/206502 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 32687 event pairs, 31 based on Foata normal form. 457/4202 useless extension candidates. Maximal degree in co-relation 30446. Up to 1150 conditions per place. [2024-11-13 13:03:43,736 INFO L140 encePairwiseOnDemand]: 175/191 looper letters, 418 selfloop transitions, 406 changer transitions 8/1188 dead transitions. [2024-11-13 13:03:43,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 615 places, 1188 transitions, 30084 flow [2024-11-13 13:03:43,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:03:43,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-13 13:03:43,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2379 transitions. [2024-11-13 13:03:43,739 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8896783844427824 [2024-11-13 13:03:43,739 INFO L175 Difference]: Start difference. First operand has 602 places, 1109 transitions, 26647 flow. Second operand 14 states and 2379 transitions. [2024-11-13 13:03:43,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 615 places, 1188 transitions, 30084 flow [2024-11-13 13:03:45,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 1188 transitions, 29659 flow, removed 33 selfloop flow, removed 9 redundant places. [2024-11-13 13:03:45,030 INFO L231 Difference]: Finished difference. Result has 610 places, 1133 transitions, 28451 flow [2024-11-13 13:03:45,031 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=26251, PETRI_DIFFERENCE_MINUEND_PLACES=593, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=378, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=720, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=28451, PETRI_PLACES=610, PETRI_TRANSITIONS=1133} [2024-11-13 13:03:45,032 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 420 predicate places. [2024-11-13 13:03:45,032 INFO L471 AbstractCegarLoop]: Abstraction has has 610 places, 1133 transitions, 28451 flow [2024-11-13 13:03:45,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:03:45,032 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:03:45,032 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:03:45,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 13:03:45,033 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:03:45,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:03:45,033 INFO L85 PathProgramCache]: Analyzing trace with hash -92971057, now seen corresponding path program 11 times [2024-11-13 13:03:45,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:03:45,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63095866] [2024-11-13 13:03:45,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:03:45,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:03:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:03:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:03:46,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:03:46,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63095866] [2024-11-13 13:03:46,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63095866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:03:46,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:03:46,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:03:46,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60231944] [2024-11-13 13:03:46,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:03:46,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:03:46,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:03:46,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:03:46,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:03:49,467 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 191 [2024-11-13 13:03:49,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 1133 transitions, 28451 flow. Second operand has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:03:49,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:03:49,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 191 [2024-11-13 13:03:49,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:03:51,967 INFO L124 PetriNetUnfolderBase]: 1136/3932 cut-off events. [2024-11-13 13:03:51,967 INFO L125 PetriNetUnfolderBase]: For 216821/218026 co-relation queries the response was YES. [2024-11-13 13:03:52,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32007 conditions, 3932 events. 1136/3932 cut-off events. For 216821/218026 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 34478 event pairs, 33 based on Foata normal form. 325/4230 useless extension candidates. Maximal degree in co-relation 31725. Up to 937 conditions per place. [2024-11-13 13:03:52,040 INFO L140 encePairwiseOnDemand]: 174/191 looper letters, 540 selfloop transitions, 347 changer transitions 12/1255 dead transitions. [2024-11-13 13:03:52,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 1255 transitions, 31951 flow [2024-11-13 13:03:52,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:03:52,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-13 13:03:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2048 transitions. [2024-11-13 13:03:52,042 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.893542757417103 [2024-11-13 13:03:52,042 INFO L175 Difference]: Start difference. First operand has 610 places, 1133 transitions, 28451 flow. Second operand 12 states and 2048 transitions. [2024-11-13 13:03:52,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 1255 transitions, 31951 flow [2024-11-13 13:03:53,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 1255 transitions, 31272 flow, removed 20 selfloop flow, removed 9 redundant places. [2024-11-13 13:03:53,246 INFO L231 Difference]: Finished difference. Result has 617 places, 1155 transitions, 29412 flow [2024-11-13 13:03:53,247 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=27823, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=326, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=787, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=29412, PETRI_PLACES=617, PETRI_TRANSITIONS=1155} [2024-11-13 13:03:53,247 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 427 predicate places. [2024-11-13 13:03:53,248 INFO L471 AbstractCegarLoop]: Abstraction has has 617 places, 1155 transitions, 29412 flow [2024-11-13 13:03:53,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:03:53,248 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:03:53,248 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:03:53,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 13:03:53,249 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:03:53,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:03:53,249 INFO L85 PathProgramCache]: Analyzing trace with hash 696456505, now seen corresponding path program 12 times [2024-11-13 13:03:53,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:03:53,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604957175] [2024-11-13 13:03:53,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:03:53,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:03:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:03:55,244 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:03:55,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:03:55,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604957175] [2024-11-13 13:03:55,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604957175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:03:55,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:03:55,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:03:55,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711320134] [2024-11-13 13:03:55,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:03:55,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:03:55,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:03:55,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:03:55,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:03:57,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 191 [2024-11-13 13:03:57,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 1155 transitions, 29412 flow. Second operand has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:03:57,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:03:57,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 191 [2024-11-13 13:03:57,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:04:00,669 INFO L124 PetriNetUnfolderBase]: 1172/4049 cut-off events. [2024-11-13 13:04:00,670 INFO L125 PetriNetUnfolderBase]: For 252954/254300 co-relation queries the response was YES. [2024-11-13 13:04:00,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33615 conditions, 4049 events. 1172/4049 cut-off events. For 252954/254300 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 35917 event pairs, 38 based on Foata normal form. 493/4512 useless extension candidates. Maximal degree in co-relation 33327. Up to 894 conditions per place. [2024-11-13 13:04:00,750 INFO L140 encePairwiseOnDemand]: 175/191 looper letters, 496 selfloop transitions, 415 changer transitions 5/1272 dead transitions. [2024-11-13 13:04:00,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 627 places, 1272 transitions, 33491 flow [2024-11-13 13:04:00,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:04:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:04:00,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1889 transitions. [2024-11-13 13:04:00,753 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8990956687291766 [2024-11-13 13:04:00,753 INFO L175 Difference]: Start difference. First operand has 617 places, 1155 transitions, 29412 flow. Second operand 11 states and 1889 transitions. [2024-11-13 13:04:00,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 627 places, 1272 transitions, 33491 flow [2024-11-13 13:04:02,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 1272 transitions, 33388 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-11-13 13:04:02,118 INFO L231 Difference]: Finished difference. Result has 627 places, 1184 transitions, 31631 flow [2024-11-13 13:04:02,119 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=29318, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=386, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=754, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=31631, PETRI_PLACES=627, PETRI_TRANSITIONS=1184} [2024-11-13 13:04:02,120 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 437 predicate places. [2024-11-13 13:04:02,120 INFO L471 AbstractCegarLoop]: Abstraction has has 627 places, 1184 transitions, 31631 flow [2024-11-13 13:04:02,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:04:02,120 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:04:02,121 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:04:02,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 13:04:02,121 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:04:02,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:04:02,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1032472815, now seen corresponding path program 13 times [2024-11-13 13:04:02,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:04:02,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936600285] [2024-11-13 13:04:02,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:04:02,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:04:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:04:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:04:04,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:04:04,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936600285] [2024-11-13 13:04:04,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936600285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:04:04,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:04:04,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:04:04,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80330632] [2024-11-13 13:04:04,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:04:04,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:04:04,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:04:04,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:04:04,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:04:07,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 191 [2024-11-13 13:04:07,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 1184 transitions, 31631 flow. Second operand has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:04:07,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:04:07,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 191 [2024-11-13 13:04:07,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:04:09,862 INFO L124 PetriNetUnfolderBase]: 1221/4170 cut-off events. [2024-11-13 13:04:09,862 INFO L125 PetriNetUnfolderBase]: For 286320/287841 co-relation queries the response was YES. [2024-11-13 13:04:09,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36152 conditions, 4170 events. 1221/4170 cut-off events. For 286320/287841 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 37232 event pairs, 32 based on Foata normal form. 501/4635 useless extension candidates. Maximal degree in co-relation 35860. Up to 920 conditions per place. [2024-11-13 13:04:09,943 INFO L140 encePairwiseOnDemand]: 175/191 looper letters, 539 selfloop transitions, 415 changer transitions 15/1325 dead transitions. [2024-11-13 13:04:09,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 637 places, 1325 transitions, 36367 flow [2024-11-13 13:04:09,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:04:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:04:09,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1891 transitions. [2024-11-13 13:04:09,946 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900047596382675 [2024-11-13 13:04:09,946 INFO L175 Difference]: Start difference. First operand has 627 places, 1184 transitions, 31631 flow. Second operand 11 states and 1891 transitions. [2024-11-13 13:04:09,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 637 places, 1325 transitions, 36367 flow [2024-11-13 13:04:11,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 631 places, 1325 transitions, 35913 flow, removed 21 selfloop flow, removed 6 redundant places. [2024-11-13 13:04:11,548 INFO L231 Difference]: Finished difference. Result has 637 places, 1217 transitions, 33696 flow [2024-11-13 13:04:11,549 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=31210, PETRI_DIFFERENCE_MINUEND_PLACES=621, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=378, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=783, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=33696, PETRI_PLACES=637, PETRI_TRANSITIONS=1217} [2024-11-13 13:04:11,549 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 447 predicate places. [2024-11-13 13:04:11,549 INFO L471 AbstractCegarLoop]: Abstraction has has 637 places, 1217 transitions, 33696 flow [2024-11-13 13:04:11,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:04:11,550 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:04:11,550 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:04:11,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 13:04:11,550 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:04:11,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:04:11,550 INFO L85 PathProgramCache]: Analyzing trace with hash 2112673284, now seen corresponding path program 1 times [2024-11-13 13:04:11,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:04:11,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090185719] [2024-11-13 13:04:11,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:04:11,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:04:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:04:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:04:16,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:04:16,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090185719] [2024-11-13 13:04:16,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090185719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:04:16,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:04:16,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-13 13:04:16,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731654405] [2024-11-13 13:04:16,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:04:16,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 13:04:16,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:04:16,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 13:04:16,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:04:23,342 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 191 [2024-11-13 13:04:23,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 637 places, 1217 transitions, 33696 flow. Second operand has 16 states, 16 states have (on average 150.6875) internal successors, (2411), 16 states have internal predecessors, (2411), 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) [2024-11-13 13:04:23,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:04:23,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 191 [2024-11-13 13:04:23,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:04:28,163 INFO L124 PetriNetUnfolderBase]: 1485/4775 cut-off events. [2024-11-13 13:04:28,164 INFO L125 PetriNetUnfolderBase]: For 312157/312937 co-relation queries the response was YES. [2024-11-13 13:04:28,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42548 conditions, 4775 events. 1485/4775 cut-off events. For 312157/312937 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 42065 event pairs, 194 based on Foata normal form. 288/4987 useless extension candidates. Maximal degree in co-relation 42109. Up to 1486 conditions per place. [2024-11-13 13:04:28,268 INFO L140 encePairwiseOnDemand]: 164/191 looper letters, 807 selfloop transitions, 286 changer transitions 40/1369 dead transitions. [2024-11-13 13:04:28,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 1369 transitions, 37878 flow [2024-11-13 13:04:28,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 13:04:28,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-13 13:04:28,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 3611 transitions. [2024-11-13 13:04:28,271 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8219895287958116 [2024-11-13 13:04:28,271 INFO L175 Difference]: Start difference. First operand has 637 places, 1217 transitions, 33696 flow. Second operand 23 states and 3611 transitions. [2024-11-13 13:04:28,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 659 places, 1369 transitions, 37878 flow [2024-11-13 13:04:30,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 655 places, 1369 transitions, 37429 flow, removed 39 selfloop flow, removed 4 redundant places. [2024-11-13 13:04:30,485 INFO L231 Difference]: Finished difference. Result has 665 places, 1272 transitions, 35181 flow [2024-11-13 13:04:30,485 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=33271, PETRI_DIFFERENCE_MINUEND_PLACES=633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=948, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=35181, PETRI_PLACES=665, PETRI_TRANSITIONS=1272} [2024-11-13 13:04:30,486 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 475 predicate places. [2024-11-13 13:04:30,486 INFO L471 AbstractCegarLoop]: Abstraction has has 665 places, 1272 transitions, 35181 flow [2024-11-13 13:04:30,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 150.6875) internal successors, (2411), 16 states have internal predecessors, (2411), 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) [2024-11-13 13:04:30,487 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:04:30,487 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:04:30,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-13 13:04:30,487 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:04:30,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:04:30,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1022108805, now seen corresponding path program 14 times [2024-11-13 13:04:30,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:04:30,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815958081] [2024-11-13 13:04:30,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:04:30,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:04:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:04:39,526 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:04:39,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:04:39,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815958081] [2024-11-13 13:04:39,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815958081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:04:39,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:04:39,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:04:39,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638062383] [2024-11-13 13:04:39,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:04:39,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:04:39,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:04:39,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:04:39,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:04:43,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:04:43,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 1272 transitions, 35181 flow. Second operand has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:04:43,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:04:43,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:04:43,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:04:48,232 INFO L124 PetriNetUnfolderBase]: 1225/4216 cut-off events. [2024-11-13 13:04:48,232 INFO L125 PetriNetUnfolderBase]: For 319450/321081 co-relation queries the response was YES. [2024-11-13 13:04:48,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38876 conditions, 4216 events. 1225/4216 cut-off events. For 319450/321081 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 37893 event pairs, 24 based on Foata normal form. 553/4740 useless extension candidates. Maximal degree in co-relation 38566. Up to 960 conditions per place. [2024-11-13 13:04:48,324 INFO L140 encePairwiseOnDemand]: 169/191 looper letters, 546 selfloop transitions, 456 changer transitions 16/1373 dead transitions. [2024-11-13 13:04:48,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 675 places, 1373 transitions, 39541 flow [2024-11-13 13:04:48,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:04:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-13 13:04:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2612 transitions. [2024-11-13 13:04:48,570 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8547120418848168 [2024-11-13 13:04:48,570 INFO L175 Difference]: Start difference. First operand has 665 places, 1272 transitions, 35181 flow. Second operand 16 states and 2612 transitions. [2024-11-13 13:04:48,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 675 places, 1373 transitions, 39541 flow [2024-11-13 13:04:50,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 1373 transitions, 39374 flow, removed 54 selfloop flow, removed 11 redundant places. [2024-11-13 13:04:50,587 INFO L231 Difference]: Finished difference. Result has 669 places, 1291 transitions, 37401 flow [2024-11-13 13:04:50,588 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=35027, PETRI_DIFFERENCE_MINUEND_PLACES=649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=432, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=830, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=37401, PETRI_PLACES=669, PETRI_TRANSITIONS=1291} [2024-11-13 13:04:50,589 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 479 predicate places. [2024-11-13 13:04:50,589 INFO L471 AbstractCegarLoop]: Abstraction has has 669 places, 1291 transitions, 37401 flow [2024-11-13 13:04:50,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:04:50,589 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:04:50,590 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:04:50,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-13 13:04:50,590 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:04:50,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:04:50,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1628787202, now seen corresponding path program 17 times [2024-11-13 13:04:50,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:04:50,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813871970] [2024-11-13 13:04:50,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:04:50,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:04:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:04:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:04:51,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:04:51,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813871970] [2024-11-13 13:04:51,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813871970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:04:51,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:04:51,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:04:51,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192024466] [2024-11-13 13:04:51,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:04:51,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:04:51,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:04:51,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:04:51,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:04:53,920 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 191 [2024-11-13 13:04:53,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 1291 transitions, 37401 flow. Second operand has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2024-11-13 13:04:53,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:04:53,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 191 [2024-11-13 13:04:53,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:04:59,423 INFO L124 PetriNetUnfolderBase]: 1893/5808 cut-off events. [2024-11-13 13:04:59,424 INFO L125 PetriNetUnfolderBase]: For 319698/319970 co-relation queries the response was YES. [2024-11-13 13:04:59,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51501 conditions, 5808 events. 1893/5808 cut-off events. For 319698/319970 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 54539 event pairs, 472 based on Foata normal form. 75/5787 useless extension candidates. Maximal degree in co-relation 51185. Up to 3049 conditions per place. [2024-11-13 13:04:59,527 INFO L140 encePairwiseOnDemand]: 169/191 looper letters, 625 selfloop transitions, 530 changer transitions 41/1379 dead transitions. [2024-11-13 13:04:59,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 678 places, 1379 transitions, 40975 flow [2024-11-13 13:04:59,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:04:59,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 13:04:59,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1683 transitions. [2024-11-13 13:04:59,529 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.881151832460733 [2024-11-13 13:04:59,529 INFO L175 Difference]: Start difference. First operand has 669 places, 1291 transitions, 37401 flow. Second operand 10 states and 1683 transitions. [2024-11-13 13:04:59,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 678 places, 1379 transitions, 40975 flow [2024-11-13 13:05:02,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 1379 transitions, 40460 flow, removed 45 selfloop flow, removed 11 redundant places. [2024-11-13 13:05:02,156 INFO L231 Difference]: Finished difference. Result has 672 places, 1300 transitions, 38557 flow [2024-11-13 13:05:02,157 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=36894, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=519, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=766, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=38557, PETRI_PLACES=672, PETRI_TRANSITIONS=1300} [2024-11-13 13:05:02,158 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 482 predicate places. [2024-11-13 13:05:02,158 INFO L471 AbstractCegarLoop]: Abstraction has has 672 places, 1300 transitions, 38557 flow [2024-11-13 13:05:02,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2024-11-13 13:05:02,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:05:02,158 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:05:02,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 13:05:02,159 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:05:02,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:05:02,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1818368381, now seen corresponding path program 2 times [2024-11-13 13:05:02,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:05:02,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278337264] [2024-11-13 13:05:02,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:05:02,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:05:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:05:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:05:04,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:05:04,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278337264] [2024-11-13 13:05:04,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278337264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:05:04,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:05:04,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:05:04,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385559307] [2024-11-13 13:05:04,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:05:04,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:05:04,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:05:04,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:05:04,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:05:06,895 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 191 [2024-11-13 13:05:06,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 1300 transitions, 38557 flow. Second operand has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:05:06,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:05:06,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 191 [2024-11-13 13:05:06,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:05:10,418 INFO L124 PetriNetUnfolderBase]: 1311/4480 cut-off events. [2024-11-13 13:05:10,418 INFO L125 PetriNetUnfolderBase]: For 376099/378000 co-relation queries the response was YES. [2024-11-13 13:05:10,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42754 conditions, 4480 events. 1311/4480 cut-off events. For 376099/378000 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 40980 event pairs, 25 based on Foata normal form. 288/4741 useless extension candidates. Maximal degree in co-relation 42431. Up to 1344 conditions per place. [2024-11-13 13:05:10,503 INFO L140 encePairwiseOnDemand]: 174/191 looper letters, 708 selfloop transitions, 325 changer transitions 24/1460 dead transitions. [2024-11-13 13:05:10,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 1460 transitions, 44570 flow [2024-11-13 13:05:10,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:05:10,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-13 13:05:10,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2051 transitions. [2024-11-13 13:05:10,506 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8948516579406631 [2024-11-13 13:05:10,506 INFO L175 Difference]: Start difference. First operand has 672 places, 1300 transitions, 38557 flow. Second operand 12 states and 2051 transitions. [2024-11-13 13:05:10,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 1460 transitions, 44570 flow [2024-11-13 13:05:12,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 679 places, 1460 transitions, 43907 flow, removed 21 selfloop flow, removed 4 redundant places. [2024-11-13 13:05:12,580 INFO L231 Difference]: Finished difference. Result has 685 places, 1372 transitions, 41299 flow [2024-11-13 13:05:12,580 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=37967, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=258, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=999, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=41299, PETRI_PLACES=685, PETRI_TRANSITIONS=1372} [2024-11-13 13:05:12,581 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 495 predicate places. [2024-11-13 13:05:12,581 INFO L471 AbstractCegarLoop]: Abstraction has has 685 places, 1372 transitions, 41299 flow [2024-11-13 13:05:12,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 163.4) internal successors, (1634), 10 states have internal predecessors, (1634), 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) [2024-11-13 13:05:12,581 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:05:12,582 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:05:12,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-13 13:05:12,582 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:05:12,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:05:12,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1968564597, now seen corresponding path program 3 times [2024-11-13 13:05:12,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:05:12,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037221343] [2024-11-13 13:05:12,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:05:12,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:05:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:05:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:05:22,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:05:22,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037221343] [2024-11-13 13:05:22,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037221343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:05:22,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:05:22,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:05:22,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371893480] [2024-11-13 13:05:22,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:05:22,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:05:22,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:05:22,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:05:22,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:05:28,842 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 191 [2024-11-13 13:05:28,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 685 places, 1372 transitions, 41299 flow. Second operand has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:05:28,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:05:28,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 191 [2024-11-13 13:05:28,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:05:32,733 INFO L124 PetriNetUnfolderBase]: 1337/4535 cut-off events. [2024-11-13 13:05:32,733 INFO L125 PetriNetUnfolderBase]: For 370534/372646 co-relation queries the response was YES. [2024-11-13 13:05:32,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44162 conditions, 4535 events. 1337/4535 cut-off events. For 370534/372646 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 41561 event pairs, 28 based on Foata normal form. 229/4733 useless extension candidates. Maximal degree in co-relation 43829. Up to 1442 conditions per place. [2024-11-13 13:05:32,840 INFO L140 encePairwiseOnDemand]: 169/191 looper letters, 842 selfloop transitions, 233 changer transitions 8/1480 dead transitions. [2024-11-13 13:05:32,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 698 places, 1480 transitions, 45431 flow [2024-11-13 13:05:32,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:05:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-13 13:05:32,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2607 transitions. [2024-11-13 13:05:32,843 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8530759162303665 [2024-11-13 13:05:32,843 INFO L175 Difference]: Start difference. First operand has 685 places, 1372 transitions, 41299 flow. Second operand 16 states and 2607 transitions. [2024-11-13 13:05:32,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 698 places, 1480 transitions, 45431 flow [2024-11-13 13:05:35,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 694 places, 1480 transitions, 45372 flow, removed 16 selfloop flow, removed 4 redundant places. [2024-11-13 13:05:35,306 INFO L231 Difference]: Finished difference. Result has 700 places, 1401 transitions, 42513 flow [2024-11-13 13:05:35,307 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=41252, PETRI_DIFFERENCE_MINUEND_PLACES=679, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=42513, PETRI_PLACES=700, PETRI_TRANSITIONS=1401} [2024-11-13 13:05:35,307 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 510 predicate places. [2024-11-13 13:05:35,308 INFO L471 AbstractCegarLoop]: Abstraction has has 700 places, 1401 transitions, 42513 flow [2024-11-13 13:05:35,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 157.53846153846155) internal successors, (2048), 13 states have internal predecessors, (2048), 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) [2024-11-13 13:05:35,308 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:05:35,308 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:05:35,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-13 13:05:35,308 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:05:35,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:05:35,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1971981758, now seen corresponding path program 18 times [2024-11-13 13:05:35,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:05:35,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572873640] [2024-11-13 13:05:35,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:05:35,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:05:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:05:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:05:36,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:05:36,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572873640] [2024-11-13 13:05:36,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572873640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:05:36,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:05:36,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:05:36,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599042538] [2024-11-13 13:05:36,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:05:36,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:05:36,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:05:36,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:05:36,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:05:38,421 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 191 [2024-11-13 13:05:38,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 700 places, 1401 transitions, 42513 flow. Second operand has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2024-11-13 13:05:38,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:05:38,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 191 [2024-11-13 13:05:38,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:05:43,876 INFO L124 PetriNetUnfolderBase]: 2071/6318 cut-off events. [2024-11-13 13:05:43,877 INFO L125 PetriNetUnfolderBase]: For 355868/356201 co-relation queries the response was YES. [2024-11-13 13:05:43,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57931 conditions, 6318 events. 2071/6318 cut-off events. For 355868/356201 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 60357 event pairs, 541 based on Foata normal form. 116/6329 useless extension candidates. Maximal degree in co-relation 57592. Up to 3322 conditions per place. [2024-11-13 13:05:44,000 INFO L140 encePairwiseOnDemand]: 168/191 looper letters, 683 selfloop transitions, 596 changer transitions 39/1501 dead transitions. [2024-11-13 13:05:44,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 709 places, 1501 transitions, 46890 flow [2024-11-13 13:05:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:05:44,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 13:05:44,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1827 transitions. [2024-11-13 13:05:44,002 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8695859114707283 [2024-11-13 13:05:44,002 INFO L175 Difference]: Start difference. First operand has 700 places, 1401 transitions, 42513 flow. Second operand 11 states and 1827 transitions. [2024-11-13 13:05:44,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 709 places, 1501 transitions, 46890 flow [2024-11-13 13:05:47,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 700 places, 1501 transitions, 46546 flow, removed 32 selfloop flow, removed 9 redundant places. [2024-11-13 13:05:47,283 INFO L231 Difference]: Finished difference. Result has 705 places, 1417 transitions, 43966 flow [2024-11-13 13:05:47,284 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=42190, PETRI_DIFFERENCE_MINUEND_PLACES=690, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=578, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=810, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=43966, PETRI_PLACES=705, PETRI_TRANSITIONS=1417} [2024-11-13 13:05:47,284 INFO L277 CegarLoopForPetriNet]: 190 programPoint places, 515 predicate places. [2024-11-13 13:05:47,284 INFO L471 AbstractCegarLoop]: Abstraction has has 705 places, 1417 transitions, 43966 flow [2024-11-13 13:05:47,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 156.0) internal successors, (1560), 10 states have internal predecessors, (1560), 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) [2024-11-13 13:05:47,285 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:05:47,285 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:05:47,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 13:05:47,285 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 13:05:47,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:05:47,285 INFO L85 PathProgramCache]: Analyzing trace with hash -366037814, now seen corresponding path program 19 times [2024-11-13 13:05:47,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:05:47,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104235663] [2024-11-13 13:05:47,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:05:47,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:05:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:06:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-13 13:06:06,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:06:06,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104235663] [2024-11-13 13:06:06,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104235663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:06:06,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:06:06,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-13 13:06:06,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950968758] [2024-11-13 13:06:06,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:06:06,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 13:06:06,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:06:06,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 13:06:06,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:06:12,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 191 [2024-11-13 13:06:12,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 705 places, 1417 transitions, 43966 flow. Second operand has 15 states, 15 states have (on average 151.73333333333332) internal successors, (2276), 15 states have internal predecessors, (2276), 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) [2024-11-13 13:06:12,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:06:12,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 191 [2024-11-13 13:06:12,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand