./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/08_rand_cas-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:40,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:40,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 05:06:40,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:40,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:40,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:40,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:40,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:40,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:40,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:40,362 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:40,364 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:40,364 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:40,366 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:06:40,367 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:40,367 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:40,368 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:06:40,368 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:06:40,369 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:40,369 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:06:40,370 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:06:40,371 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:06:40,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:40,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:40,373 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:40,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:06:40,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:40,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:40,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:40,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:40,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:40,377 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 05:06:40,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:06:40,378 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:40,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:40,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:40,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:40,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:40,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:40,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:40,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:40,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:40,381 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:06:40,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:06:40,382 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:40,382 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:40,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:40,383 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 [2023-11-19 05:06:40,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:40,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:40,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:40,744 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:40,744 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:40,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/pthread-ext/08_rand_cas-race.i [2023-11-19 05:06:43,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:44,355 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:44,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/sv-benchmarks/c/pthread-ext/08_rand_cas-race.i [2023-11-19 05:06:44,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/data/2c4afe938/3de303b5339f4cd9a9fdafb9287dd8a4/FLAGd737fb5d6 [2023-11-19 05:06:44,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/data/2c4afe938/3de303b5339f4cd9a9fdafb9287dd8a4 [2023-11-19 05:06:44,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:44,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:44,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:44,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:44,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:44,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:44" (1/1) ... [2023-11-19 05:06:44,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730cfdf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:44, skipping insertion in model container [2023-11-19 05:06:44,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:44" (1/1) ... [2023-11-19 05:06:44,516 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:44,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:44,963 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:45,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:45,061 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:45,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45 WrapperNode [2023-11-19 05:06:45,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:45,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:45,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:45,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:45,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,147 INFO L138 Inliner]: procedures = 176, calls = 37, calls flagged for inlining = 16, calls inlined = 17, statements flattened = 222 [2023-11-19 05:06:45,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:45,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:45,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:45,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:45,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:45,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:45,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:45,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:45,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (1/1) ... [2023-11-19 05:06:45,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:45,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:45,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:06:45,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_742f70e7-54bd-4e23-a669-80163b87a209/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:06:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:06:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 05:06:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 05:06:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:06:45,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:06:45,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:06:45,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:06:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:06:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:06:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:06:45,366 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:06:45,512 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:06:45,514 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:06:46,040 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:06:46,284 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:06:46,284 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 05:06:46,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:46 BoogieIcfgContainer [2023-11-19 05:06:46,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:06:46,291 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:06:46,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:06:46,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:06:46,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:44" (1/3) ... [2023-11-19 05:06:46,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cbe47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:46, skipping insertion in model container [2023-11-19 05:06:46,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:45" (2/3) ... [2023-11-19 05:06:46,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cbe47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:46, skipping insertion in model container [2023-11-19 05:06:46,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:46" (3/3) ... [2023-11-19 05:06:46,298 INFO L112 eAbstractionObserver]: Analyzing ICFG 08_rand_cas-race.i [2023-11-19 05:06:46,307 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 05:06:46,319 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:06:46,319 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-19 05:06:46,319 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:06:46,408 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 05:06:46,454 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:06:46,469 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 181 transitions, 366 flow [2023-11-19 05:06:46,472 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 181 transitions, 366 flow [2023-11-19 05:06:46,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 167 places, 181 transitions, 366 flow [2023-11-19 05:06:46,545 INFO L124 PetriNetUnfolderBase]: 18/192 cut-off events. [2023-11-19 05:06:46,545 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 05:06:46,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 192 events. 18/192 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 359 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 165. Up to 4 conditions per place. [2023-11-19 05:06:46,556 INFO L119 LiptonReduction]: Number of co-enabled transitions 4256 [2023-11-19 05:07:09,490 INFO L134 LiptonReduction]: Checked pairs total: 4630 [2023-11-19 05:07:09,491 INFO L136 LiptonReduction]: Total number of compositions: 228 [2023-11-19 05:07:09,501 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 33 transitions, 70 flow [2023-11-19 05:07:09,526 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 112 states, 79 states have (on average 2.7974683544303796) internal successors, (221), 111 states have internal predecessors, (221), 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) [2023-11-19 05:07:09,550 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:07:09,558 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@6eb2a3da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:07:09,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2023-11-19 05:07:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 79 states have (on average 2.7974683544303796) internal successors, (221), 111 states have internal predecessors, (221), 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) [2023-11-19 05:07:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 05:07:09,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:09,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 05:07:09,568 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2023-11-19 05:07:09,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:09,574 INFO L85 PathProgramCache]: Analyzing trace with hash 31421760, now seen corresponding path program 1 times [2023-11-19 05:07:09,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:09,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262876663] [2023-11-19 05:07:09,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:09,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:07:09,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:07:09,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262876663] [2023-11-19 05:07:09,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262876663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:09,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:09,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 05:07:09,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678422105] [2023-11-19 05:07:09,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:09,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:07:09,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:07:09,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:07:09,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:07:09,914 INFO L87 Difference]: Start difference. First operand has 112 states, 79 states have (on average 2.7974683544303796) internal successors, (221), 111 states have internal predecessors, (221), 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) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-19 05:07:10,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:10,001 INFO L93 Difference]: Finished difference Result 27 states and 57 transitions. [2023-11-19 05:07:10,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:07:10,005 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2023-11-19 05:07:10,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:10,016 INFO L225 Difference]: With dead ends: 27 [2023-11-19 05:07:10,017 INFO L226 Difference]: Without dead ends: 27 [2023-11-19 05:07:10,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:07:10,026 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:10,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:07:10,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-19 05:07:10,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-19 05:07:10,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 2.1923076923076925) internal successors, (57), 26 states have internal predecessors, (57), 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) [2023-11-19 05:07:10,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 57 transitions. [2023-11-19 05:07:10,080 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 57 transitions. Word has length 4 [2023-11-19 05:07:10,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:10,082 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 57 transitions. [2023-11-19 05:07:10,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-19 05:07:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 57 transitions. [2023-11-19 05:07:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 05:07:10,084 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:10,084 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-19 05:07:10,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:07:10,090 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2023-11-19 05:07:10,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:10,091 INFO L85 PathProgramCache]: Analyzing trace with hash 131452554, now seen corresponding path program 1 times [2023-11-19 05:07:10,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:10,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774848496] [2023-11-19 05:07:10,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:10,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:07:10,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:07:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:07:10,225 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:07:10,225 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:07:10,228 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2023-11-19 05:07:10,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2023-11-19 05:07:10,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2023-11-19 05:07:10,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2023-11-19 05:07:10,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2023-11-19 05:07:10,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2023-11-19 05:07:10,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2023-11-19 05:07:10,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2023-11-19 05:07:10,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2023-11-19 05:07:10,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2023-11-19 05:07:10,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2023-11-19 05:07:10,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2023-11-19 05:07:10,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2023-11-19 05:07:10,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2023-11-19 05:07:10,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2023-11-19 05:07:10,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2023-11-19 05:07:10,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2023-11-19 05:07:10,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2023-11-19 05:07:10,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2023-11-19 05:07:10,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2023-11-19 05:07:10,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2023-11-19 05:07:10,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2023-11-19 05:07:10,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2023-11-19 05:07:10,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2023-11-19 05:07:10,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2023-11-19 05:07:10,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2023-11-19 05:07:10,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2023-11-19 05:07:10,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2023-11-19 05:07:10,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2023-11-19 05:07:10,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2023-11-19 05:07:10,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2023-11-19 05:07:10,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2023-11-19 05:07:10,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2023-11-19 05:07:10,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:07:10,256 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:07:10,258 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-19 05:07:10,259 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-19 05:07:10,359 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 05:07:10,366 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:07:10,367 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 306 places, 334 transitions, 678 flow [2023-11-19 05:07:10,368 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 306 places, 334 transitions, 678 flow [2023-11-19 05:07:10,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 306 places, 334 transitions, 678 flow [2023-11-19 05:07:10,545 INFO L124 PetriNetUnfolderBase]: 35/358 cut-off events. [2023-11-19 05:07:10,545 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 05:07:10,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 358 events. 35/358 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1248 event pairs, 0 based on Foata normal form. 0/288 useless extension candidates. Maximal degree in co-relation 317. Up to 6 conditions per place. [2023-11-19 05:07:10,608 INFO L119 LiptonReduction]: Number of co-enabled transitions 55024