./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_10-arraylist_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_10-arraylist_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 406569de44adfe8c1be02a1261bb34c87b6e96e16ab8124ccb5c3636d70e4f02 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:05:36,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:05:36,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 23:05:36,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:05:36,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:05:36,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:05:36,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:05:36,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:05:36,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:05:36,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:05:36,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:05:36,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:05:36,942 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:05:36,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:05:36,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:05:36,944 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:05:36,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:05:36,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:05:36,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:05:36,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:05:36,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:05:36,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:05:36,948 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 23:05:36,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:05:36,949 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:05:36,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:05:36,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:05:36,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:05:36,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:05:36,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:05:36,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:05:36,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:05:36,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:05:36,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:05:36,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:05:36,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:05:36,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:05:36,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:05:36,954 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:05:36,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:05:36,954 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:05:36,955 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 406569de44adfe8c1be02a1261bb34c87b6e96e16ab8124ccb5c3636d70e4f02 [2023-11-06 23:05:37,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:05:37,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:05:37,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:05:37,331 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:05:37,332 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:05:37,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/09-regions_10-arraylist_rc.i [2023-11-06 23:05:40,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:05:40,944 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:05:40,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/sv-benchmarks/c/goblint-regression/09-regions_10-arraylist_rc.i [2023-11-06 23:05:40,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/data/dc7ef7b9c/4a4f9f291d8547ddb5968922b79b4a17/FLAG04195eef0 [2023-11-06 23:05:40,991 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/data/dc7ef7b9c/4a4f9f291d8547ddb5968922b79b4a17 [2023-11-06 23:05:40,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:05:41,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:05:41,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:05:41,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:05:41,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:05:41,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:05:40" (1/1) ... [2023-11-06 23:05:41,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2039f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:41, skipping insertion in model container [2023-11-06 23:05:41,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:05:40" (1/1) ... [2023-11-06 23:05:41,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:05:41,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:05:41,867 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:05:41,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:05:42,065 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:05:42,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42 WrapperNode [2023-11-06 23:05:42,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:05:42,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:05:42,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:05:42,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:05:42,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42" (1/1) ... [2023-11-06 23:05:42,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42" (1/1) ... [2023-11-06 23:05:42,161 INFO L138 Inliner]: procedures = 370, calls = 30, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 239 [2023-11-06 23:05:42,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:05:42,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:05:42,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:05:42,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:05:42,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42" (1/1) ... [2023-11-06 23:05:42,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42" (1/1) ... [2023-11-06 23:05:42,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42" (1/1) ... [2023-11-06 23:05:42,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42" (1/1) ... [2023-11-06 23:05:42,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42" (1/1) ... [2023-11-06 23:05:42,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42" (1/1) ... [2023-11-06 23:05:42,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42" (1/1) ... [2023-11-06 23:05:42,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42" (1/1) ... [2023-11-06 23:05:42,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:05:42,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:05:42,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:05:42,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:05:42,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42" (1/1) ... [2023-11-06 23:05:42,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:05:42,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:05:42,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:05:42,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df002932-8031-493b-925e-59cffd7ee31f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:05:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:05:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:05:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:05:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:05:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:05:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 23:05:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:05:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:05:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:05:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 23:05:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 23:05:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:05:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:05:42,360 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:05:42,522 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:05:42,525 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:05:43,180 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:05:43,194 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:05:43,194 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 23:05:43,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:05:43 BoogieIcfgContainer [2023-11-06 23:05:43,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:05:43,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:05:43,201 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:05:43,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:05:43,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:05:40" (1/3) ... [2023-11-06 23:05:43,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f18a02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:05:43, skipping insertion in model container [2023-11-06 23:05:43,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:42" (2/3) ... [2023-11-06 23:05:43,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f18a02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:05:43, skipping insertion in model container [2023-11-06 23:05:43,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:05:43" (3/3) ... [2023-11-06 23:05:43,208 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_10-arraylist_rc.i [2023-11-06 23:05:43,218 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:05:43,232 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:05:43,232 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-11-06 23:05:43,232 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:05:43,418 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 23:05:43,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 280 places, 282 transitions, 568 flow [2023-11-06 23:05:43,624 INFO L124 PetriNetUnfolderBase]: 6/281 cut-off events. [2023-11-06 23:05:43,624 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:05:43,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 281 events. 6/281 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 396 event pairs, 0 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2023-11-06 23:05:43,639 INFO L82 GeneralOperation]: Start removeDead. Operand has 280 places, 282 transitions, 568 flow [2023-11-06 23:05:43,654 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 279 places, 281 transitions, 565 flow [2023-11-06 23:05:43,664 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:05:43,687 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 279 places, 281 transitions, 565 flow [2023-11-06 23:05:43,692 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 279 places, 281 transitions, 565 flow [2023-11-06 23:05:43,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 279 places, 281 transitions, 565 flow [2023-11-06 23:05:43,782 INFO L124 PetriNetUnfolderBase]: 6/281 cut-off events. [2023-11-06 23:05:43,782 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:05:43,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 281 events. 6/281 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 396 event pairs, 0 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2023-11-06 23:05:43,790 INFO L119 LiptonReduction]: Number of co-enabled transitions 6586 [2023-11-06 23:06:14,414 WARN L293 SmtUtils]: Spent 8.80s on a formula simplification. DAG size of input: 121 DAG size of output: 119 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:06:26,031 WARN L293 SmtUtils]: Spent 10.00s on a formula simplification. DAG size of input: 121 DAG size of output: 119 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:06:33,554 WARN L293 SmtUtils]: Spent 5.80s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:06:51,683 WARN L293 SmtUtils]: Spent 11.70s on a formula simplification. DAG size of input: 127 DAG size of output: 123 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:07:10,306 WARN L293 SmtUtils]: Spent 15.07s on a formula simplification. DAG size of input: 127 DAG size of output: 123 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:07:51,436 WARN L293 SmtUtils]: Spent 37.42s on a formula simplification. DAG size of input: 174 DAG size of output: 170 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:07:59,999 WARN L293 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:08:39,690 WARN L293 SmtUtils]: Spent 39.69s on a formula simplification. DAG size of input: 174 DAG size of output: 170 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:08:47,978 WARN L293 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:09:52,325 WARN L293 SmtUtils]: Spent 1.07m on a formula simplification that was a NOOP. DAG size: 234 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)