./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c --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_9db12155-e1c5-46c2-9318-04f514b48d67/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12155-e1c5-46c2-9318-04f514b48d67/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_9db12155-e1c5-46c2-9318-04f514b48d67/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12155-e1c5-46c2-9318-04f514b48d67/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12155-e1c5-46c2-9318-04f514b48d67/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_9db12155-e1c5-46c2-9318-04f514b48d67/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 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:00:37,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:00:37,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12155-e1c5-46c2-9318-04f514b48d67/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:00:38,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:00:38,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:00:38,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:00:38,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:00:38,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:00:38,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:00:38,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:00:38,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:00:38,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:00:38,034 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:00:38,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:00:38,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:00:38,035 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:00:38,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:00:38,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:00:38,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:00:38,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:00:38,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:00:38,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:00:38,036 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:00:38,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:00:38,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:00:38,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:00:38,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:00:38,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:00:38,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:00:38,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:00:38,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:00:38,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:00:38,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:00:38,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:00:38,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:00:38,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:00:38,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:00:38,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:00:38,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:00:38,039 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:00:38,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:00:38,040 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_9db12155-e1c5-46c2-9318-04f514b48d67/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 -> 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 [2024-11-13 13:00:38,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:00:38,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:00:38,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:00:38,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:00:38,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:00:38,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12155-e1c5-46c2-9318-04f514b48d67/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c Unable to find full path for "g++" [2024-11-13 13:00:40,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:00:41,158 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:00:41,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12155-e1c5-46c2-9318-04f514b48d67/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2024-11-13 13:00:41,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12155-e1c5-46c2-9318-04f514b48d67/bin/uautomizer-verify-qhAvR1uOyd/data/cac04c029/4d72c86df2d648e9b0ea8f6748121501/FLAG7d2883856 [2024-11-13 13:00:41,328 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12155-e1c5-46c2-9318-04f514b48d67/bin/uautomizer-verify-qhAvR1uOyd/data/cac04c029/4d72c86df2d648e9b0ea8f6748121501 [2024-11-13 13:00:41,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:00:41,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:00:41,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:00:41,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:00:41,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:00:41,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4eca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41, skipping insertion in model container [2024-11-13 13:00:41,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:00:41,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:00:41,693 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:00:41,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:00:41,768 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:00:41,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41 WrapperNode [2024-11-13 13:00:41,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:00:41,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:00:41,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:00:41,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:00:41,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,847 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 273 [2024-11-13 13:00:41,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:00:41,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:00:41,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:00:41,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:00:41,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:00:41,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:00:41,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:00:41,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:00:41,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41" (1/1) ... [2024-11-13 13:00:41,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:00:41,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12155-e1c5-46c2-9318-04f514b48d67/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:00:42,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12155-e1c5-46c2-9318-04f514b48d67/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:00:42,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db12155-e1c5-46c2-9318-04f514b48d67/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:00:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:00:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 13:00:42,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 13:00:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 13:00:42,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 13:00:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 13:00:42,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 13:00:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:00:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 13:00:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 13:00:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:00:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:00:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 13:00:42,057 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 13:00:42,221 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:00:42,223 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:00:43,280 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:00:43,280 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:00:43,328 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:00:43,328 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-13 13:00:43,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:00:43 BoogieIcfgContainer [2024-11-13 13:00:43,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:00:43,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:00:43,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:00:43,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:00:43,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:00:41" (1/3) ... [2024-11-13 13:00:43,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af575fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:00:43, skipping insertion in model container [2024-11-13 13:00:43,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:41" (2/3) ... [2024-11-13 13:00:43,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af575fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:00:43, skipping insertion in model container [2024-11-13 13:00:43,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:00:43" (3/3) ... [2024-11-13 13:00:43,347 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2024-11-13 13:00:43,372 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:00:43,374 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-vector-add.wvr.c that has 4 procedures, 484 locations, 1 initial locations, 7 loop locations, and 44 error locations. [2024-11-13 13:00:43,374 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:00:43,676 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-13 13:00:43,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 493 places, 510 transitions, 1041 flow [2024-11-13 13:00:44,090 INFO L124 PetriNetUnfolderBase]: 27/507 cut-off events. [2024-11-13 13:00:44,093 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 13:00:44,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 507 events. 27/507 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 715 event pairs, 0 based on Foata normal form. 0/436 useless extension candidates. Maximal degree in co-relation 396. Up to 2 conditions per place. [2024-11-13 13:00:44,114 INFO L82 GeneralOperation]: Start removeDead. Operand has 493 places, 510 transitions, 1041 flow [2024-11-13 13:00:44,129 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 472 places, 488 transitions, 994 flow [2024-11-13 13:00:44,146 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:00:44,165 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;@5a5cb1b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:00:44,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2024-11-13 13:00:44,171 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:00:44,171 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-13 13:00:44,171 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:00:44,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:44,172 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:00:44,172 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:44,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:44,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1828707158, now seen corresponding path program 1 times [2024-11-13 13:00:44,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:44,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525164079] [2024-11-13 13:00:44,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:44,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:44,432 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 13:00:44,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:44,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525164079] [2024-11-13 13:00:44,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525164079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:44,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:44,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:44,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793858213] [2024-11-13 13:00:44,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:44,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:00:44,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:44,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:00:44,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:00:44,560 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 510 [2024-11-13 13:00:44,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 488 transitions, 994 flow. Second operand has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 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 13:00:44,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:44,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 510 [2024-11-13 13:00:44,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:44,960 INFO L124 PetriNetUnfolderBase]: 23/763 cut-off events. [2024-11-13 13:00:44,961 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-13 13:00:44,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 763 events. 23/763 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2634 event pairs, 7 based on Foata normal form. 26/673 useless extension candidates. Maximal degree in co-relation 423. Up to 31 conditions per place. [2024-11-13 13:00:44,976 INFO L140 encePairwiseOnDemand]: 490/510 looper letters, 13 selfloop transitions, 2 changer transitions 10/470 dead transitions. [2024-11-13 13:00:44,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 470 transitions, 988 flow [2024-11-13 13:00:44,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:00:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:00:45,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1455 transitions. [2024-11-13 13:00:45,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9509803921568627 [2024-11-13 13:00:45,014 INFO L175 Difference]: Start difference. First operand has 472 places, 488 transitions, 994 flow. Second operand 3 states and 1455 transitions. [2024-11-13 13:00:45,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 470 transitions, 988 flow [2024-11-13 13:00:45,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 470 transitions, 976 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-13 13:00:45,059 INFO L231 Difference]: Finished difference. Result has 467 places, 460 transitions, 930 flow [2024-11-13 13:00:45,063 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=930, PETRI_PLACES=467, PETRI_TRANSITIONS=460} [2024-11-13 13:00:45,069 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -5 predicate places. [2024-11-13 13:00:45,072 INFO L471 AbstractCegarLoop]: Abstraction has has 467 places, 460 transitions, 930 flow [2024-11-13 13:00:45,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 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 13:00:45,074 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:45,074 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] [2024-11-13 13:00:45,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:00:45,075 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:45,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:45,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1927456521, now seen corresponding path program 1 times [2024-11-13 13:00:45,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:45,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535423315] [2024-11-13 13:00:45,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:45,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:45,210 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 13:00:45,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:45,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535423315] [2024-11-13 13:00:45,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535423315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:45,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:45,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:45,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375464014] [2024-11-13 13:00:45,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:45,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:00:45,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:45,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:00:45,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:00:45,327 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 470 out of 510 [2024-11-13 13:00:45,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 460 transitions, 930 flow. Second operand has 3 states, 3 states have (on average 471.3333333333333) internal successors, (1414), 3 states have internal predecessors, (1414), 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 13:00:45,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:45,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 470 of 510 [2024-11-13 13:00:45,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:45,598 INFO L124 PetriNetUnfolderBase]: 17/604 cut-off events. [2024-11-13 13:00:45,598 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:00:45,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 604 events. 17/604 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1619 event pairs, 5 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 615. Up to 31 conditions per place. [2024-11-13 13:00:45,608 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 17 selfloop transitions, 2 changer transitions 0/459 dead transitions. [2024-11-13 13:00:45,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 459 transitions, 966 flow [2024-11-13 13:00:45,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:00:45,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:00:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1430 transitions. [2024-11-13 13:00:45,618 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.934640522875817 [2024-11-13 13:00:45,618 INFO L175 Difference]: Start difference. First operand has 467 places, 460 transitions, 930 flow. Second operand 3 states and 1430 transitions. [2024-11-13 13:00:45,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 459 transitions, 966 flow [2024-11-13 13:00:45,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 459 transitions, 962 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:00:45,635 INFO L231 Difference]: Finished difference. Result has 456 places, 459 transitions, 928 flow [2024-11-13 13:00:45,636 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=924, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=928, PETRI_PLACES=456, PETRI_TRANSITIONS=459} [2024-11-13 13:00:45,638 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -16 predicate places. [2024-11-13 13:00:45,638 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 459 transitions, 928 flow [2024-11-13 13:00:45,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 471.3333333333333) internal successors, (1414), 3 states have internal predecessors, (1414), 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 13:00:45,639 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:45,639 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] [2024-11-13 13:00:45,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:00:45,640 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:45,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:45,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1704324319, now seen corresponding path program 1 times [2024-11-13 13:00:45,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:45,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724667777] [2024-11-13 13:00:45,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:45,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:45,759 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 13:00:45,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:45,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724667777] [2024-11-13 13:00:45,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724667777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:45,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:45,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:45,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195362134] [2024-11-13 13:00:45,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:45,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:00:45,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:45,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:00:45,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:00:45,838 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 510 [2024-11-13 13:00:45,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 459 transitions, 928 flow. Second operand has 3 states, 3 states have (on average 461.0) internal successors, (1383), 3 states have internal predecessors, (1383), 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 13:00:45,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:45,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 510 [2024-11-13 13:00:45,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:46,269 INFO L124 PetriNetUnfolderBase]: 29/735 cut-off events. [2024-11-13 13:00:46,271 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-13 13:00:46,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 802 conditions, 735 events. 29/735 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2621 event pairs, 12 based on Foata normal form. 0/642 useless extension candidates. Maximal degree in co-relation 763. Up to 54 conditions per place. [2024-11-13 13:00:46,284 INFO L140 encePairwiseOnDemand]: 501/510 looper letters, 22 selfloop transitions, 1 changer transitions 0/451 dead transitions. [2024-11-13 13:00:46,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 451 transitions, 958 flow [2024-11-13 13:00:46,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:00:46,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:00:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1411 transitions. [2024-11-13 13:00:46,295 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9222222222222223 [2024-11-13 13:00:46,295 INFO L175 Difference]: Start difference. First operand has 456 places, 459 transitions, 928 flow. Second operand 3 states and 1411 transitions. [2024-11-13 13:00:46,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 451 transitions, 958 flow [2024-11-13 13:00:46,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 451 transitions, 954 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:00:46,310 INFO L231 Difference]: Finished difference. Result has 448 places, 451 transitions, 910 flow [2024-11-13 13:00:46,311 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=908, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=910, PETRI_PLACES=448, PETRI_TRANSITIONS=451} [2024-11-13 13:00:46,312 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -24 predicate places. [2024-11-13 13:00:46,313 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 451 transitions, 910 flow [2024-11-13 13:00:46,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 461.0) internal successors, (1383), 3 states have internal predecessors, (1383), 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 13:00:46,315 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:46,315 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] [2024-11-13 13:00:46,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:00:46,316 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:46,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:46,317 INFO L85 PathProgramCache]: Analyzing trace with hash 261035083, now seen corresponding path program 1 times [2024-11-13 13:00:46,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:46,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179787677] [2024-11-13 13:00:46,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:46,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:47,474 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 13:00:47,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:47,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179787677] [2024-11-13 13:00:47,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179787677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:47,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:47,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:00:47,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223759967] [2024-11-13 13:00:47,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:47,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:00:47,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:47,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:00:47,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:00:48,498 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 510 [2024-11-13 13:00:48,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 451 transitions, 910 flow. Second operand has 6 states, 6 states have (on average 386.5) internal successors, (2319), 6 states have internal predecessors, (2319), 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 13:00:48,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:48,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 510 [2024-11-13 13:00:48,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:53,747 INFO L124 PetriNetUnfolderBase]: 5286/18518 cut-off events. [2024-11-13 13:00:53,748 INFO L125 PetriNetUnfolderBase]: For 363/363 co-relation queries the response was YES. [2024-11-13 13:00:53,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26600 conditions, 18518 events. 5286/18518 cut-off events. For 363/363 co-relation queries the response was YES. Maximal size of possible extension queue 498. Compared 210077 event pairs, 4536 based on Foata normal form. 0/15813 useless extension candidates. Maximal degree in co-relation 26562. Up to 7876 conditions per place. [2024-11-13 13:00:54,043 INFO L140 encePairwiseOnDemand]: 486/510 looper letters, 82 selfloop transitions, 20 changer transitions 0/447 dead transitions. [2024-11-13 13:00:54,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 447 transitions, 1106 flow [2024-11-13 13:00:54,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:00:54,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:00:54,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2416 transitions. [2024-11-13 13:00:54,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7895424836601307 [2024-11-13 13:00:54,053 INFO L175 Difference]: Start difference. First operand has 448 places, 451 transitions, 910 flow. Second operand 6 states and 2416 transitions. [2024-11-13 13:00:54,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 447 transitions, 1106 flow [2024-11-13 13:00:54,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 447 transitions, 1105 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:00:54,063 INFO L231 Difference]: Finished difference. Result has 448 places, 447 transitions, 941 flow [2024-11-13 13:00:54,065 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=941, PETRI_PLACES=448, PETRI_TRANSITIONS=447} [2024-11-13 13:00:54,066 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -24 predicate places. [2024-11-13 13:00:54,067 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 447 transitions, 941 flow [2024-11-13 13:00:54,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 386.5) internal successors, (2319), 6 states have internal predecessors, (2319), 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 13:00:54,069 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:54,069 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] [2024-11-13 13:00:54,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:00:54,070 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:54,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:54,072 INFO L85 PathProgramCache]: Analyzing trace with hash 632072270, now seen corresponding path program 1 times [2024-11-13 13:00:54,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:54,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349055869] [2024-11-13 13:00:54,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:54,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:54,164 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 13:00:54,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:54,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349055869] [2024-11-13 13:00:54,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349055869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:54,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:54,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:54,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559743090] [2024-11-13 13:00:54,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:54,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:00:54,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:54,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:00:54,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:00:54,204 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-13 13:00:54,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 447 transitions, 941 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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 13:00:54,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:54,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-13 13:00:54,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:54,377 INFO L124 PetriNetUnfolderBase]: 28/674 cut-off events. [2024-11-13 13:00:54,377 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 13:00:54,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 674 events. 28/674 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2250 event pairs, 15 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 707. Up to 40 conditions per place. [2024-11-13 13:00:54,385 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/446 dead transitions. [2024-11-13 13:00:54,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 446 transitions, 967 flow [2024-11-13 13:00:54,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:00:54,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:00:54,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1440 transitions. [2024-11-13 13:00:54,391 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-13 13:00:54,392 INFO L175 Difference]: Start difference. First operand has 448 places, 447 transitions, 941 flow. Second operand 3 states and 1440 transitions. [2024-11-13 13:00:54,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 446 transitions, 967 flow [2024-11-13 13:00:54,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 446 transitions, 927 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:00:54,411 INFO L231 Difference]: Finished difference. Result has 444 places, 446 transitions, 903 flow [2024-11-13 13:00:54,412 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=899, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=444, PETRI_TRANSITIONS=446} [2024-11-13 13:00:54,413 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -28 predicate places. [2024-11-13 13:00:54,415 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 446 transitions, 903 flow [2024-11-13 13:00:54,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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 13:00:54,417 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:54,417 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] [2024-11-13 13:00:54,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:00:54,418 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:54,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:54,418 INFO L85 PathProgramCache]: Analyzing trace with hash 642061386, now seen corresponding path program 1 times [2024-11-13 13:00:54,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:54,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931488744] [2024-11-13 13:00:54,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:54,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:54,578 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 13:00:54,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:54,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931488744] [2024-11-13 13:00:54,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931488744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:54,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:54,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:54,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391830715] [2024-11-13 13:00:54,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:54,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:00:54,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:54,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:00:54,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:00:54,619 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-13 13:00:54,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 446 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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 13:00:54,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:54,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-13 13:00:54,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:54,786 INFO L124 PetriNetUnfolderBase]: 28/673 cut-off events. [2024-11-13 13:00:54,786 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 13:00:54,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 673 events. 28/673 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2206 event pairs, 15 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 688. Up to 40 conditions per place. [2024-11-13 13:00:54,793 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/445 dead transitions. [2024-11-13 13:00:54,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 445 transitions, 929 flow [2024-11-13 13:00:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:00:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:00:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1440 transitions. [2024-11-13 13:00:54,798 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-13 13:00:54,799 INFO L175 Difference]: Start difference. First operand has 444 places, 446 transitions, 903 flow. Second operand 3 states and 1440 transitions. [2024-11-13 13:00:54,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 445 transitions, 929 flow [2024-11-13 13:00:54,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 445 transitions, 925 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:00:54,812 INFO L231 Difference]: Finished difference. Result has 443 places, 445 transitions, 901 flow [2024-11-13 13:00:54,813 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=897, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=901, PETRI_PLACES=443, PETRI_TRANSITIONS=445} [2024-11-13 13:00:54,815 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -29 predicate places. [2024-11-13 13:00:54,817 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 445 transitions, 901 flow [2024-11-13 13:00:54,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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 13:00:54,818 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:54,818 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, 1, 1, 1, 1] [2024-11-13 13:00:54,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:00:54,819 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:54,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:54,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1824411167, now seen corresponding path program 1 times [2024-11-13 13:00:54,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:54,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560128512] [2024-11-13 13:00:54,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:54,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:54,947 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 13:00:54,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:54,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560128512] [2024-11-13 13:00:54,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560128512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:54,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:54,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:54,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917589524] [2024-11-13 13:00:54,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:54,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:00:54,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:54,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:00:54,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:00:54,975 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 476 out of 510 [2024-11-13 13:00:54,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 445 transitions, 901 flow. Second operand has 3 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 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 13:00:54,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:54,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 476 of 510 [2024-11-13 13:00:54,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:55,106 INFO L124 PetriNetUnfolderBase]: 14/537 cut-off events. [2024-11-13 13:00:55,106 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:00:55,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 537 events. 14/537 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1200 event pairs, 2 based on Foata normal form. 0/488 useless extension candidates. Maximal degree in co-relation 529. Up to 19 conditions per place. [2024-11-13 13:00:55,111 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 11 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2024-11-13 13:00:55,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 444 transitions, 925 flow [2024-11-13 13:00:55,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:00:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:00:55,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1442 transitions. [2024-11-13 13:00:55,117 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9424836601307189 [2024-11-13 13:00:55,118 INFO L175 Difference]: Start difference. First operand has 443 places, 445 transitions, 901 flow. Second operand 3 states and 1442 transitions. [2024-11-13 13:00:55,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 444 transitions, 925 flow [2024-11-13 13:00:55,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 444 transitions, 921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:00:55,129 INFO L231 Difference]: Finished difference. Result has 442 places, 444 transitions, 899 flow [2024-11-13 13:00:55,130 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=899, PETRI_PLACES=442, PETRI_TRANSITIONS=444} [2024-11-13 13:00:55,132 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -30 predicate places. [2024-11-13 13:00:55,132 INFO L471 AbstractCegarLoop]: Abstraction has has 442 places, 444 transitions, 899 flow [2024-11-13 13:00:55,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 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 13:00:55,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:55,134 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:55,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:00:55,135 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:55,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:55,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1868873106, now seen corresponding path program 1 times [2024-11-13 13:00:55,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:55,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29993361] [2024-11-13 13:00:55,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:55,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:55,298 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 13:00:55,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:55,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29993361] [2024-11-13 13:00:55,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29993361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:55,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:55,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:55,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776463045] [2024-11-13 13:00:55,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:55,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:00:55,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:55,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:00:55,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:00:55,335 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-13 13:00:55,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 444 transitions, 899 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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 13:00:55,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:55,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-13 13:00:55,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:55,498 INFO L124 PetriNetUnfolderBase]: 22/594 cut-off events. [2024-11-13 13:00:55,499 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-13 13:00:55,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 594 events. 22/594 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1564 event pairs, 7 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 598. Up to 32 conditions per place. [2024-11-13 13:00:55,504 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2024-11-13 13:00:55,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 443 transitions, 925 flow [2024-11-13 13:00:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:00:55,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:00:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1440 transitions. [2024-11-13 13:00:55,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-13 13:00:55,510 INFO L175 Difference]: Start difference. First operand has 442 places, 444 transitions, 899 flow. Second operand 3 states and 1440 transitions. [2024-11-13 13:00:55,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 443 transitions, 925 flow [2024-11-13 13:00:55,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 443 transitions, 921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:00:55,520 INFO L231 Difference]: Finished difference. Result has 441 places, 443 transitions, 897 flow [2024-11-13 13:00:55,521 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=893, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=441, PETRI_TRANSITIONS=443} [2024-11-13 13:00:55,522 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -31 predicate places. [2024-11-13 13:00:55,522 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 443 transitions, 897 flow [2024-11-13 13:00:55,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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 13:00:55,523 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:55,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:55,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:00:55,524 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:55,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:55,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1909172258, now seen corresponding path program 1 times [2024-11-13 13:00:55,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:55,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683133256] [2024-11-13 13:00:55,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:55,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:55,668 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 13:00:55,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:55,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683133256] [2024-11-13 13:00:55,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683133256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:55,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:55,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:55,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590570421] [2024-11-13 13:00:55,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:55,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:00:55,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:55,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:00:55,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:00:55,704 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 472 out of 510 [2024-11-13 13:00:55,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 443 transitions, 897 flow. Second operand has 3 states, 3 states have (on average 473.0) internal successors, (1419), 3 states have internal predecessors, (1419), 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 13:00:55,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:55,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 472 of 510 [2024-11-13 13:00:55,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:55,990 INFO L124 PetriNetUnfolderBase]: 41/877 cut-off events. [2024-11-13 13:00:55,991 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-13 13:00:55,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 945 conditions, 877 events. 41/877 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3818 event pairs, 20 based on Foata normal form. 0/776 useless extension candidates. Maximal degree in co-relation 906. Up to 56 conditions per place. [2024-11-13 13:00:55,997 INFO L140 encePairwiseOnDemand]: 505/510 looper letters, 14 selfloop transitions, 1 changer transitions 0/439 dead transitions. [2024-11-13 13:00:55,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 439 transitions, 919 flow [2024-11-13 13:00:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:00:55,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:00:56,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1435 transitions. [2024-11-13 13:00:56,004 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9379084967320261 [2024-11-13 13:00:56,004 INFO L175 Difference]: Start difference. First operand has 441 places, 443 transitions, 897 flow. Second operand 3 states and 1435 transitions. [2024-11-13 13:00:56,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 439 transitions, 919 flow [2024-11-13 13:00:56,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 439 transitions, 915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:00:56,012 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 887 flow [2024-11-13 13:00:56,013 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=887, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-13 13:00:56,013 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-13 13:00:56,014 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 887 flow [2024-11-13 13:00:56,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 473.0) internal successors, (1419), 3 states have internal predecessors, (1419), 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 13:00:56,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:56,015 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:56,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:00:56,015 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:56,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:56,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1720910067, now seen corresponding path program 1 times [2024-11-13 13:00:56,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:56,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244930861] [2024-11-13 13:00:56,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:56,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:56,149 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 13:00:56,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:56,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244930861] [2024-11-13 13:00:56,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244930861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:56,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:56,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:56,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637436397] [2024-11-13 13:00:56,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:56,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:00:56,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:56,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:00:56,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:00:56,173 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 478 out of 510 [2024-11-13 13:00:56,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 887 flow. Second operand has 3 states, 3 states have (on average 479.3333333333333) internal successors, (1438), 3 states have internal predecessors, (1438), 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 13:00:56,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:56,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 478 of 510 [2024-11-13 13:00:56,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:56,295 INFO L124 PetriNetUnfolderBase]: 17/558 cut-off events. [2024-11-13 13:00:56,295 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:00:56,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 558 events. 17/558 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1276 event pairs, 0 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 558. Up to 19 conditions per place. [2024-11-13 13:00:56,299 INFO L140 encePairwiseOnDemand]: 506/510 looper letters, 16 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2024-11-13 13:00:56,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 444 transitions, 938 flow [2024-11-13 13:00:56,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:00:56,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:00:56,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1454 transitions. [2024-11-13 13:00:56,304 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9503267973856209 [2024-11-13 13:00:56,304 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 887 flow. Second operand 3 states and 1454 transitions. [2024-11-13 13:00:56,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 444 transitions, 938 flow [2024-11-13 13:00:56,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 444 transitions, 937 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:00:56,317 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 896 flow [2024-11-13 13:00:56,319 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=896, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-13 13:00:56,321 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-13 13:00:56,321 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 896 flow [2024-11-13 13:00:56,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 479.3333333333333) internal successors, (1438), 3 states have internal predecessors, (1438), 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 13:00:56,323 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:56,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:56,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:00:56,323 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:56,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:56,324 INFO L85 PathProgramCache]: Analyzing trace with hash -232127889, now seen corresponding path program 1 times [2024-11-13 13:00:56,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:56,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295269857] [2024-11-13 13:00:56,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:56,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:00:56,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:56,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295269857] [2024-11-13 13:00:56,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295269857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:56,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:56,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:56,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430420384] [2024-11-13 13:00:56,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:56,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:00:56,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:56,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:00:56,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:00:56,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-13 13:00:56,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 896 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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 13:00:56,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:56,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-13 13:00:56,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:56,896 INFO L124 PetriNetUnfolderBase]: 135/1964 cut-off events. [2024-11-13 13:00:56,896 INFO L125 PetriNetUnfolderBase]: For 29/30 co-relation queries the response was YES. [2024-11-13 13:00:56,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2188 conditions, 1964 events. 135/1964 cut-off events. For 29/30 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 13245 event pairs, 36 based on Foata normal form. 0/1720 useless extension candidates. Maximal degree in co-relation 2150. Up to 187 conditions per place. [2024-11-13 13:00:56,915 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 18 selfloop transitions, 3 changer transitions 0/444 dead transitions. [2024-11-13 13:00:56,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 444 transitions, 953 flow [2024-11-13 13:00:56,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:00:56,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:00:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1449 transitions. [2024-11-13 13:00:56,920 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9470588235294117 [2024-11-13 13:00:56,920 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 896 flow. Second operand 3 states and 1449 transitions. [2024-11-13 13:00:56,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 444 transitions, 953 flow [2024-11-13 13:00:56,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 444 transitions, 953 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:00:56,929 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 911 flow [2024-11-13 13:00:56,932 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=911, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-13 13:00:56,935 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-13 13:00:56,935 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 911 flow [2024-11-13 13:00:56,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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 13:00:56,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:56,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:56,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:00:56,937 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:56,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:56,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1463560989, now seen corresponding path program 1 times [2024-11-13 13:00:56,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:56,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736357379] [2024-11-13 13:00:56,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:56,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:00:57,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:57,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736357379] [2024-11-13 13:00:57,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736357379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:57,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:57,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:57,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073191654] [2024-11-13 13:00:57,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:57,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:00:57,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:57,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:00:57,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:00:57,078 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-13 13:00:57,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 911 flow. Second operand has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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 13:00:57,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:57,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-13 13:00:57,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:57,547 INFO L124 PetriNetUnfolderBase]: 148/1733 cut-off events. [2024-11-13 13:00:57,547 INFO L125 PetriNetUnfolderBase]: For 49/53 co-relation queries the response was YES. [2024-11-13 13:00:57,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2014 conditions, 1733 events. 148/1733 cut-off events. For 49/53 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 10895 event pairs, 22 based on Foata normal form. 0/1553 useless extension candidates. Maximal degree in co-relation 1975. Up to 169 conditions per place. [2024-11-13 13:00:57,566 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 17 selfloop transitions, 3 changer transitions 0/443 dead transitions. [2024-11-13 13:00:57,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 443 transitions, 963 flow [2024-11-13 13:00:57,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:00:57,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:00:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1448 transitions. [2024-11-13 13:00:57,572 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9464052287581699 [2024-11-13 13:00:57,572 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 911 flow. Second operand 3 states and 1448 transitions. [2024-11-13 13:00:57,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 443 transitions, 963 flow [2024-11-13 13:00:57,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 443 transitions, 963 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:00:57,584 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 926 flow [2024-11-13 13:00:57,585 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=926, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-13 13:00:57,587 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-13 13:00:57,588 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 926 flow [2024-11-13 13:00:57,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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 13:00:57,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:57,590 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:57,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:00:57,590 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:57,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:57,591 INFO L85 PathProgramCache]: Analyzing trace with hash 11188275, now seen corresponding path program 1 times [2024-11-13 13:00:57,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:57,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991035343] [2024-11-13 13:00:57,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:57,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:58,089 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 13:00:58,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:58,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991035343] [2024-11-13 13:00:58,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991035343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:58,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:58,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:00:58,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309364116] [2024-11-13 13:00:58,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:58,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:00:58,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:58,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:00:58,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:00:58,706 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 510 [2024-11-13 13:00:58,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 926 flow. Second operand has 7 states, 7 states have (on average 448.2857142857143) internal successors, (3138), 7 states have internal predecessors, (3138), 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 13:00:58,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:58,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 510 [2024-11-13 13:00:58,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:00:59,426 INFO L124 PetriNetUnfolderBase]: 87/1593 cut-off events. [2024-11-13 13:00:59,427 INFO L125 PetriNetUnfolderBase]: For 11/34 co-relation queries the response was YES. [2024-11-13 13:00:59,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1593 events. 87/1593 cut-off events. For 11/34 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 7187 event pairs, 20 based on Foata normal form. 5/1496 useless extension candidates. Maximal degree in co-relation 1873. Up to 76 conditions per place. [2024-11-13 13:00:59,443 INFO L140 encePairwiseOnDemand]: 473/510 looper letters, 49 selfloop transitions, 56 changer transitions 0/496 dead transitions. [2024-11-13 13:00:59,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 496 transitions, 1258 flow [2024-11-13 13:00:59,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:00:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 13:00:59,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4536 transitions. [2024-11-13 13:00:59,458 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8894117647058823 [2024-11-13 13:00:59,458 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 926 flow. Second operand 10 states and 4536 transitions. [2024-11-13 13:00:59,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 496 transitions, 1258 flow [2024-11-13 13:00:59,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 496 transitions, 1258 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:00:59,472 INFO L231 Difference]: Finished difference. Result has 450 places, 473 transitions, 1181 flow [2024-11-13 13:00:59,473 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=926, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1181, PETRI_PLACES=450, PETRI_TRANSITIONS=473} [2024-11-13 13:00:59,474 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -22 predicate places. [2024-11-13 13:00:59,474 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 473 transitions, 1181 flow [2024-11-13 13:00:59,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 448.2857142857143) internal successors, (3138), 7 states have internal predecessors, (3138), 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 13:00:59,477 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:00:59,477 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:59,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:00:59,478 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:00:59,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:59,478 INFO L85 PathProgramCache]: Analyzing trace with hash -174559223, now seen corresponding path program 1 times [2024-11-13 13:00:59,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:59,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718244279] [2024-11-13 13:00:59,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:59,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:00:59,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:59,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718244279] [2024-11-13 13:00:59,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718244279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:59,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:59,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:00:59,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339842436] [2024-11-13 13:00:59,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:59,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:00:59,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:59,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:00:59,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:00:59,949 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 472 out of 510 [2024-11-13 13:00:59,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 473 transitions, 1181 flow. Second operand has 5 states, 5 states have (on average 474.0) internal successors, (2370), 5 states have internal predecessors, (2370), 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 13:00:59,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:00:59,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 472 of 510 [2024-11-13 13:00:59,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:00,723 INFO L124 PetriNetUnfolderBase]: 153/2461 cut-off events. [2024-11-13 13:01:00,723 INFO L125 PetriNetUnfolderBase]: For 78/123 co-relation queries the response was YES. [2024-11-13 13:01:00,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3016 conditions, 2461 events. 153/2461 cut-off events. For 78/123 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 14887 event pairs, 45 based on Foata normal form. 10/2294 useless extension candidates. Maximal degree in co-relation 2965. Up to 121 conditions per place. [2024-11-13 13:01:00,743 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 24 selfloop transitions, 5 changer transitions 0/484 dead transitions. [2024-11-13 13:01:00,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 484 transitions, 1269 flow [2024-11-13 13:01:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:01:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 13:01:00,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2390 transitions. [2024-11-13 13:01:00,750 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9372549019607843 [2024-11-13 13:01:00,750 INFO L175 Difference]: Start difference. First operand has 450 places, 473 transitions, 1181 flow. Second operand 5 states and 2390 transitions. [2024-11-13 13:01:00,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 484 transitions, 1269 flow [2024-11-13 13:01:00,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 484 transitions, 1269 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:01:00,764 INFO L231 Difference]: Finished difference. Result has 456 places, 475 transitions, 1206 flow [2024-11-13 13:01:00,765 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1181, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1206, PETRI_PLACES=456, PETRI_TRANSITIONS=475} [2024-11-13 13:01:00,766 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -16 predicate places. [2024-11-13 13:01:00,766 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 475 transitions, 1206 flow [2024-11-13 13:01:00,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 474.0) internal successors, (2370), 5 states have internal predecessors, (2370), 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 13:01:00,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:00,769 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:00,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:01:00,769 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:01:00,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:00,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1602640569, now seen corresponding path program 1 times [2024-11-13 13:01:00,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:00,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099358302] [2024-11-13 13:01:00,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:00,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:01,800 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 13:01:01,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:01,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099358302] [2024-11-13 13:01:01,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099358302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:01,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:01,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:01:01,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397155830] [2024-11-13 13:01:01,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:01,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:01:01,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:01,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:01:01,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:01:02,663 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-13 13:01:02,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 475 transitions, 1206 flow. Second operand has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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 13:01:02,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:02,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-13 13:01:02,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:06,047 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1242] L67-2-->L67-3: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][366], [504#(= |#race~N~0| 0), Black: 543#(<= ~N~0 0), 467#L51-3true, Black: 544#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 559#true, Black: 548#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 550#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), 536#(= |#race~C2~0| 0), Black: 526#true, 487#L67-3true, 525#(= |#race~M~0| 0), Black: 562#(<= (+ ~M~0 1) 0), Black: 563#(and (<= (+ ~M~0 1) 0) (= thread2Thread1of1ForFork2_~i~1 0)), Black: 530#true, 538#true, 528#(= |#race~C1~0| 0), Black: 534#true, 532#(= |#race~A~0| 0), 566#true, 409#L62true, 204#L89-4true]) [2024-11-13 13:01:06,047 INFO L294 olderBase$Statistics]: this new event has 349 ancestors and is cut-off event [2024-11-13 13:01:06,048 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-13 13:01:06,048 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-13 13:01:06,048 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-13 13:01:06,640 INFO L124 PetriNetUnfolderBase]: 2249/13794 cut-off events. [2024-11-13 13:01:06,641 INFO L125 PetriNetUnfolderBase]: For 873/909 co-relation queries the response was YES. [2024-11-13 13:01:06,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18868 conditions, 13794 events. 2249/13794 cut-off events. For 873/909 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 151513 event pairs, 1160 based on Foata normal form. 0/12394 useless extension candidates. Maximal degree in co-relation 18816. Up to 3033 conditions per place. [2024-11-13 13:01:06,800 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 54 selfloop transitions, 38 changer transitions 0/520 dead transitions. [2024-11-13 13:01:06,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 520 transitions, 1488 flow [2024-11-13 13:01:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:01:06,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:01:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-13 13:01:06,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-13 13:01:06,807 INFO L175 Difference]: Start difference. First operand has 456 places, 475 transitions, 1206 flow. Second operand 6 states and 2767 transitions. [2024-11-13 13:01:06,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 520 transitions, 1488 flow [2024-11-13 13:01:06,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 520 transitions, 1483 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:01:06,843 INFO L231 Difference]: Finished difference. Result has 464 places, 512 transitions, 1455 flow [2024-11-13 13:01:06,845 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1201, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1455, PETRI_PLACES=464, PETRI_TRANSITIONS=512} [2024-11-13 13:01:06,846 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -8 predicate places. [2024-11-13 13:01:06,846 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 512 transitions, 1455 flow [2024-11-13 13:01:06,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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 13:01:06,848 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:06,848 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:06,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:01:06,848 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:01:06,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:06,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1755633061, now seen corresponding path program 1 times [2024-11-13 13:01:06,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:06,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513023241] [2024-11-13 13:01:06,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:06,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:06,973 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 13:01:06,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:06,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513023241] [2024-11-13 13:01:06,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513023241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:06,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:06,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:01:06,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374918261] [2024-11-13 13:01:06,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:06,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:01:06,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:06,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:01:06,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:01:07,000 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-13 13:01:07,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 512 transitions, 1455 flow. Second operand has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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 13:01:07,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:07,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-13 13:01:07,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:09,267 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1242] L67-2-->L67-3: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][358], [579#(= |#race~B~0| 0), 467#L51-3true, Black: 526#true, 525#(= |#race~M~0| 0), Black: 530#true, Black: 534#true, 566#true, 204#L89-4true, 504#(= |#race~N~0| 0), Black: 543#(<= ~N~0 0), 97#L59-1true, Black: 544#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 548#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 550#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), 536#(= |#race~C2~0| 0), Black: 562#(<= (+ ~M~0 1) 0), 487#L67-3true, Black: 563#(and (<= (+ ~M~0 1) 0) (= thread2Thread1of1ForFork2_~i~1 0)), 538#true, 528#(= |#race~C1~0| 0), 532#(= |#race~A~0| 0), Black: 570#(and (= (select (select |#race| ~A~0.base) (+ 2 (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset 1)) 0)), Black: 569#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset 1)) 0)), Black: 568#(= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset)) 0), Black: 571#(and (= (select (select |#race| ~A~0.base) (+ 2 (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) 3 ~A~0.offset)) 0))]) [2024-11-13 13:01:09,267 INFO L294 olderBase$Statistics]: this new event has 349 ancestors and is cut-off event [2024-11-13 13:01:09,267 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-13 13:01:09,267 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-13 13:01:09,267 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-13 13:01:10,061 INFO L124 PetriNetUnfolderBase]: 1600/11576 cut-off events. [2024-11-13 13:01:10,061 INFO L125 PetriNetUnfolderBase]: For 741/958 co-relation queries the response was YES. [2024-11-13 13:01:10,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16517 conditions, 11576 events. 1600/11576 cut-off events. For 741/958 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 123020 event pairs, 343 based on Foata normal form. 0/10650 useless extension candidates. Maximal degree in co-relation 16462. Up to 1365 conditions per place. [2024-11-13 13:01:10,144 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 18 selfloop transitions, 3 changer transitions 0/517 dead transitions. [2024-11-13 13:01:10,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 517 transitions, 1512 flow [2024-11-13 13:01:10,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:01:10,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:01:10,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1449 transitions. [2024-11-13 13:01:10,147 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9470588235294117 [2024-11-13 13:01:10,148 INFO L175 Difference]: Start difference. First operand has 464 places, 512 transitions, 1455 flow. Second operand 3 states and 1449 transitions. [2024-11-13 13:01:10,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 517 transitions, 1512 flow [2024-11-13 13:01:10,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 517 transitions, 1512 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:01:10,171 INFO L231 Difference]: Finished difference. Result has 464 places, 512 transitions, 1470 flow [2024-11-13 13:01:10,172 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1449, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1470, PETRI_PLACES=464, PETRI_TRANSITIONS=512} [2024-11-13 13:01:10,173 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, -8 predicate places. [2024-11-13 13:01:10,173 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 512 transitions, 1470 flow [2024-11-13 13:01:10,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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 13:01:10,174 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:10,174 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:10,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:01:10,174 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:01:10,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:10,175 INFO L85 PathProgramCache]: Analyzing trace with hash -739072003, now seen corresponding path program 1 times [2024-11-13 13:01:10,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:10,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454405603] [2024-11-13 13:01:10,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:10,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:10,988 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 13:01:10,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:10,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454405603] [2024-11-13 13:01:10,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454405603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:10,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:10,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:01:10,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603214147] [2024-11-13 13:01:10,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:10,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:01:10,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:10,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:01:10,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:01:11,992 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-13 13:01:11,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 512 transitions, 1470 flow. Second operand has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 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 13:01:11,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:11,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-13 13:01:11,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:18,269 INFO L124 PetriNetUnfolderBase]: 4627/22163 cut-off events. [2024-11-13 13:01:18,269 INFO L125 PetriNetUnfolderBase]: For 5447/8004 co-relation queries the response was YES. [2024-11-13 13:01:18,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36861 conditions, 22163 events. 4627/22163 cut-off events. For 5447/8004 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 267070 event pairs, 1255 based on Foata normal form. 57/20417 useless extension candidates. Maximal degree in co-relation 36804. Up to 5415 conditions per place. [2024-11-13 13:01:18,451 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 85 selfloop transitions, 110 changer transitions 0/629 dead transitions. [2024-11-13 13:01:18,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 629 transitions, 2432 flow [2024-11-13 13:01:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:01:18,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:01:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-13 13:01:18,457 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-13 13:01:18,457 INFO L175 Difference]: Start difference. First operand has 464 places, 512 transitions, 1470 flow. Second operand 6 states and 2767 transitions. [2024-11-13 13:01:18,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 629 transitions, 2432 flow [2024-11-13 13:01:18,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 629 transitions, 2432 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:01:18,501 INFO L231 Difference]: Finished difference. Result has 474 places, 621 transitions, 2528 flow [2024-11-13 13:01:18,502 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1470, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2528, PETRI_PLACES=474, PETRI_TRANSITIONS=621} [2024-11-13 13:01:18,502 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, 2 predicate places. [2024-11-13 13:01:18,503 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 621 transitions, 2528 flow [2024-11-13 13:01:18,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 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 13:01:18,504 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:18,504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:18,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:01:18,505 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:01:18,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:18,505 INFO L85 PathProgramCache]: Analyzing trace with hash 2057757919, now seen corresponding path program 1 times [2024-11-13 13:01:18,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:18,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31353340] [2024-11-13 13:01:18,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:18,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:19,445 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 13:01:19,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:19,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31353340] [2024-11-13 13:01:19,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31353340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:19,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:19,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:01:19,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730271164] [2024-11-13 13:01:19,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:19,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:01:19,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:19,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:01:19,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:01:20,644 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-13 13:01:20,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 621 transitions, 2528 flow. Second operand has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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 13:01:20,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:20,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-13 13:01:20,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:27,991 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1242] L67-2-->L67-3: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][357], [579#(= |#race~B~0| 0), Black: 577#true, 592#true, Black: 586#(and (= (select (select |#race| ~A~0.base) (+ ~A~0.offset (* thread3Thread1of1ForFork0_~i~2 4))) 0) (= (select (select |#race| ~A~0.base) (+ 2 ~A~0.offset (* thread3Thread1of1ForFork0_~i~2 4))) 0) (= (select (select |#race| ~A~0.base) (+ ~A~0.offset (* thread3Thread1of1ForFork0_~i~2 4) 1)) 0) (= (select (select |#race| ~A~0.base) (+ 3 ~A~0.offset (* thread3Thread1of1ForFork0_~i~2 4))) 0)), 467#L51-3true, Black: 583#(= (select (select |#race| ~A~0.base) (+ ~A~0.offset (* thread3Thread1of1ForFork0_~i~2 4))) 0), Black: 585#(and (= (select (select |#race| ~A~0.base) (+ ~A~0.offset (* thread3Thread1of1ForFork0_~i~2 4))) 0) (= (select (select |#race| ~A~0.base) (+ 2 ~A~0.offset (* thread3Thread1of1ForFork0_~i~2 4))) 0) (= (select (select |#race| ~A~0.base) (+ ~A~0.offset (* thread3Thread1of1ForFork0_~i~2 4) 1)) 0)), Black: 584#(and (= (select (select |#race| ~A~0.base) (+ ~A~0.offset (* thread3Thread1of1ForFork0_~i~2 4))) 0) (= (select (select |#race| ~A~0.base) (+ ~A~0.offset (* thread3Thread1of1ForFork0_~i~2 4) 1)) 0)), Black: 526#true, 525#(= |#race~M~0| 0), Black: 530#true, Black: 534#true, 566#true, 409#L62true, 204#L89-4true, 504#(= |#race~N~0| 0), Black: 543#(<= ~N~0 0), Black: 544#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 548#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 550#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), 536#(= |#race~C2~0| 0), 487#L67-3true, Black: 562#(<= (+ ~M~0 1) 0), Black: 563#(and (<= (+ ~M~0 1) 0) (= thread2Thread1of1ForFork2_~i~1 0)), 538#true, 528#(= |#race~C1~0| 0), 581#true, 532#(= |#race~A~0| 0), Black: 570#(and (= (select (select |#race| ~A~0.base) (+ 2 (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset 1)) 0)), Black: 569#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset 1)) 0)), Black: 568#(= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset)) 0), Black: 571#(and (= (select (select |#race| ~A~0.base) (+ 2 (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork2_~i~1 4) 3 ~A~0.offset)) 0))]) [2024-11-13 13:01:27,991 INFO L294 olderBase$Statistics]: this new event has 349 ancestors and is cut-off event [2024-11-13 13:01:27,991 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-13 13:01:27,991 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-13 13:01:27,991 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-13 13:01:29,591 INFO L124 PetriNetUnfolderBase]: 6954/31115 cut-off events. [2024-11-13 13:01:29,591 INFO L125 PetriNetUnfolderBase]: For 23411/33919 co-relation queries the response was YES. [2024-11-13 13:01:29,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61286 conditions, 31115 events. 6954/31115 cut-off events. For 23411/33919 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 394426 event pairs, 1661 based on Foata normal form. 203/29017 useless extension candidates. Maximal degree in co-relation 61224. Up to 7756 conditions per place. [2024-11-13 13:01:29,911 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 187 selfloop transitions, 215 changer transitions 0/838 dead transitions. [2024-11-13 13:01:29,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 838 transitions, 5026 flow [2024-11-13 13:01:29,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:01:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:01:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-13 13:01:29,918 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-13 13:01:29,918 INFO L175 Difference]: Start difference. First operand has 474 places, 621 transitions, 2528 flow. Second operand 6 states and 2767 transitions. [2024-11-13 13:01:29,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 838 transitions, 5026 flow [2024-11-13 13:01:30,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 838 transitions, 5026 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:01:30,033 INFO L231 Difference]: Finished difference. Result has 484 places, 830 transitions, 5178 flow [2024-11-13 13:01:30,034 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=2528, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5178, PETRI_PLACES=484, PETRI_TRANSITIONS=830} [2024-11-13 13:01:30,034 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, 12 predicate places. [2024-11-13 13:01:30,035 INFO L471 AbstractCegarLoop]: Abstraction has has 484 places, 830 transitions, 5178 flow [2024-11-13 13:01:30,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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 13:01:30,037 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:30,037 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:30,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:01:30,037 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:01:30,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:30,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1347106723, now seen corresponding path program 1 times [2024-11-13 13:01:30,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:30,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639041621] [2024-11-13 13:01:30,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:30,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:30,949 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 13:01:30,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:30,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639041621] [2024-11-13 13:01:30,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639041621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:30,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:30,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:01:30,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101206401] [2024-11-13 13:01:30,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:30,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:01:30,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:30,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:01:30,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:01:31,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-13 13:01:31,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 830 transitions, 5178 flow. Second operand has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 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 13:01:31,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:31,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-13 13:01:31,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:01:43,331 INFO L124 PetriNetUnfolderBase]: 10076/38698 cut-off events. [2024-11-13 13:01:43,331 INFO L125 PetriNetUnfolderBase]: For 71820/80556 co-relation queries the response was YES. [2024-11-13 13:01:43,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93348 conditions, 38698 events. 10076/38698 cut-off events. For 71820/80556 co-relation queries the response was YES. Maximal size of possible extension queue 940. Compared 496944 event pairs, 1689 based on Foata normal form. 670/36723 useless extension candidates. Maximal degree in co-relation 93281. Up to 11029 conditions per place. [2024-11-13 13:01:43,712 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 382 selfloop transitions, 495 changer transitions 0/1319 dead transitions. [2024-11-13 13:01:43,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 1319 transitions, 12054 flow [2024-11-13 13:01:43,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:01:43,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:01:43,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-13 13:01:43,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-13 13:01:43,717 INFO L175 Difference]: Start difference. First operand has 484 places, 830 transitions, 5178 flow. Second operand 6 states and 2767 transitions. [2024-11-13 13:01:43,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 1319 transitions, 12054 flow [2024-11-13 13:01:43,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 1319 transitions, 12054 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:01:43,916 INFO L231 Difference]: Finished difference. Result has 494 places, 1311 transitions, 12524 flow [2024-11-13 13:01:43,917 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=5178, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=830, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=12524, PETRI_PLACES=494, PETRI_TRANSITIONS=1311} [2024-11-13 13:01:43,917 INFO L277 CegarLoopForPetriNet]: 472 programPoint places, 22 predicate places. [2024-11-13 13:01:43,918 INFO L471 AbstractCegarLoop]: Abstraction has has 494 places, 1311 transitions, 12524 flow [2024-11-13 13:01:43,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 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 13:01:43,919 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:01:43,919 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:43,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:01:43,919 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-13 13:01:43,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:01:43,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1709399582, now seen corresponding path program 1 times [2024-11-13 13:01:43,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:01:43,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137399240] [2024-11-13 13:01:43,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:01:43,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:01:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:01:44,871 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 13:01:44,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:01:44,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137399240] [2024-11-13 13:01:44,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137399240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:01:44,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:01:44,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:01:44,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084033349] [2024-11-13 13:01:44,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:01:44,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:01:44,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:01:44,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:01:44,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:01:45,435 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 510 [2024-11-13 13:01:45,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 1311 transitions, 12524 flow. Second operand has 6 states, 6 states have (on average 419.1666666666667) internal successors, (2515), 6 states have internal predecessors, (2515), 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 13:01:45,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:01:45,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 510 [2024-11-13 13:01:45,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand