./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-race-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-race-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU --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 57356a47c1e9533c32a5036af0336a5d2dbdf5bea55ed5f64606bf9ec7afd35e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:08,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:08,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:09:08,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:08,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:08,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:08,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:08,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:08,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:09:08,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:09:08,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:08,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:08,329 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:08,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:08,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:09:08,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:09:08,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:09:08,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:09:08,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:08,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:09:08,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:09:08,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:09:08,338 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:09:08,338 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:08,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:09:08,339 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:09:08,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:08,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:08,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:08,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:08,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:09:08,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:08,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:08,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:09:08,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:09:08,349 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:09:08,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:09:08,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:09:08,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:09:08,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:09:08,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:09:08,352 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_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57356a47c1e9533c32a5036af0336a5d2dbdf5bea55ed5f64606bf9ec7afd35e [2024-10-31 22:09:08,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:08,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:08,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:08,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:08,718 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:08,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-race-2.i Unable to find full path for "g++" [2024-10-31 22:09:10,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:09:11,200 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:09:11,200 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-race-2.i [2024-10-31 22:09:11,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/data/7f08dbc06/97d03ddd5f43403caafae99c16e3b4a0/FLAGb388962fc [2024-10-31 22:09:11,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/data/7f08dbc06/97d03ddd5f43403caafae99c16e3b4a0 [2024-10-31 22:09:11,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:09:11,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:09:11,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:11,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:09:11,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:09:11,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:11" (1/1) ... [2024-10-31 22:09:11,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21539c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:11, skipping insertion in model container [2024-10-31 22:09:11,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:11" (1/1) ... [2024-10-31 22:09:11,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:09:11,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:12,017 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:09:12,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:12,154 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:09:12,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12 WrapperNode [2024-10-31 22:09:12,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:12,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:12,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:09:12,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:09:12,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12" (1/1) ... [2024-10-31 22:09:12,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12" (1/1) ... [2024-10-31 22:09:12,226 INFO L138 Inliner]: procedures = 159, calls = 42, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 218 [2024-10-31 22:09:12,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:12,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:09:12,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:09:12,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:09:12,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12" (1/1) ... [2024-10-31 22:09:12,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12" (1/1) ... [2024-10-31 22:09:12,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12" (1/1) ... [2024-10-31 22:09:12,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12" (1/1) ... [2024-10-31 22:09:12,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12" (1/1) ... [2024-10-31 22:09:12,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12" (1/1) ... [2024-10-31 22:09:12,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12" (1/1) ... [2024-10-31 22:09:12,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12" (1/1) ... [2024-10-31 22:09:12,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:09:12,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:09:12,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:09:12,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:09:12,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12" (1/1) ... [2024-10-31 22:09:12,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:12,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:09:12,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:09:12,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c241497-f8e0-4902-82a3-664c9e6b20ce/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:09:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:09:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:09:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:09:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-10-31 22:09:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-10-31 22:09:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:09:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:09:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:09:12,371 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:09:12,587 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:09:12,590 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:09:13,119 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:09:13,120 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:09:13,241 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:09:13,242 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:09:13,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:13 BoogieIcfgContainer [2024-10-31 22:09:13,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:09:13,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:09:13,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:09:13,249 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:09:13,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:09:11" (1/3) ... [2024-10-31 22:09:13,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764f1d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:13, skipping insertion in model container [2024-10-31 22:09:13,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:12" (2/3) ... [2024-10-31 22:09:13,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764f1d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:13, skipping insertion in model container [2024-10-31 22:09:13,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:13" (3/3) ... [2024-10-31 22:09:13,258 INFO L112 eAbstractionObserver]: Analyzing ICFG thread-join-counter-inner-race-2.i [2024-10-31 22:09:13,280 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:09:13,281 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-31 22:09:13,281 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:09:13,388 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:09:13,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 273 places, 278 transitions, 560 flow [2024-10-31 22:09:13,718 INFO L124 PetriNetUnfolderBase]: 13/327 cut-off events. [2024-10-31 22:09:13,719 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:09:13,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 327 events. 13/327 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 394 event pairs, 0 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 208. Up to 4 conditions per place. [2024-10-31 22:09:13,731 INFO L82 GeneralOperation]: Start removeDead. Operand has 273 places, 278 transitions, 560 flow [2024-10-31 22:09:13,740 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 273 places, 278 transitions, 560 flow [2024-10-31 22:09:13,755 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:09:13,769 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;@1ad1d431, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:09:13,770 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-10-31 22:09:13,832 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:09:13,832 INFO L124 PetriNetUnfolderBase]: 2/172 cut-off events. [2024-10-31 22:09:13,832 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:09:13,833 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:13,834 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] [2024-10-31 22:09:13,835 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-31 22:09:13,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:13,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1541019532, now seen corresponding path program 1 times [2024-10-31 22:09:13,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:13,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32370206] [2024-10-31 22:09:13,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:13,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:14,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:14,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:14,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32370206] [2024-10-31 22:09:14,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32370206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:14,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:14,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:14,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414193343] [2024-10-31 22:09:14,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:14,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:14,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:14,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:14,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:14,535 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 278 [2024-10-31 22:09:14,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 278 transitions, 560 flow. Second operand has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 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) [2024-10-31 22:09:14,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:14,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 278 [2024-10-31 22:09:14,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:15,226 INFO L124 PetriNetUnfolderBase]: 424/1923 cut-off events. [2024-10-31 22:09:15,227 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:09:15,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2761 conditions, 1923 events. 424/1923 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 12824 event pairs, 76 based on Foata normal form. 45/1776 useless extension candidates. Maximal degree in co-relation 2535. Up to 510 conditions per place. [2024-10-31 22:09:15,249 INFO L140 encePairwiseOnDemand]: 261/278 looper letters, 51 selfloop transitions, 8 changer transitions 1/297 dead transitions. [2024-10-31 22:09:15,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 297 transitions, 716 flow [2024-10-31 22:09:15,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:15,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:15,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 786 transitions. [2024-10-31 22:09:15,271 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9424460431654677 [2024-10-31 22:09:15,277 INFO L175 Difference]: Start difference. First operand has 273 places, 278 transitions, 560 flow. Second operand 3 states and 786 transitions. [2024-10-31 22:09:15,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 297 transitions, 716 flow [2024-10-31 22:09:15,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 297 transitions, 716 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:09:15,293 INFO L231 Difference]: Finished difference. Result has 275 places, 276 transitions, 604 flow [2024-10-31 22:09:15,295 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=275, PETRI_TRANSITIONS=276} [2024-10-31 22:09:15,300 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, 2 predicate places. [2024-10-31 22:09:15,301 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 276 transitions, 604 flow [2024-10-31 22:09:15,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 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) [2024-10-31 22:09:15,302 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:15,302 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] [2024-10-31 22:09:15,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:09:15,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-31 22:09:15,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:15,303 INFO L85 PathProgramCache]: Analyzing trace with hash -461156608, now seen corresponding path program 1 times [2024-10-31 22:09:15,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:15,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919154386] [2024-10-31 22:09:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:15,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:15,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:15,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:15,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919154386] [2024-10-31 22:09:15,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919154386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:15,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:15,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:15,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378839744] [2024-10-31 22:09:15,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:15,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:15,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:15,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:15,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:15,653 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 278 [2024-10-31 22:09:15,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 276 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2024-10-31 22:09:15,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:15,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 278 [2024-10-31 22:09:15,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:16,262 INFO L124 PetriNetUnfolderBase]: 465/2060 cut-off events. [2024-10-31 22:09:16,263 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2024-10-31 22:09:16,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3132 conditions, 2060 events. 465/2060 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 14207 event pairs, 277 based on Foata normal form. 0/1850 useless extension candidates. Maximal degree in co-relation 2899. Up to 740 conditions per place. [2024-10-31 22:09:16,273 INFO L140 encePairwiseOnDemand]: 273/278 looper letters, 38 selfloop transitions, 4 changer transitions 0/289 dead transitions. [2024-10-31 22:09:16,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 289 transitions, 714 flow [2024-10-31 22:09:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2024-10-31 22:09:16,277 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9292565947242206 [2024-10-31 22:09:16,277 INFO L175 Difference]: Start difference. First operand has 275 places, 276 transitions, 604 flow. Second operand 3 states and 775 transitions. [2024-10-31 22:09:16,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 289 transitions, 714 flow [2024-10-31 22:09:16,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 289 transitions, 698 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:16,289 INFO L231 Difference]: Finished difference. Result has 276 places, 279 transitions, 618 flow [2024-10-31 22:09:16,290 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=276, PETRI_TRANSITIONS=279} [2024-10-31 22:09:16,291 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, 3 predicate places. [2024-10-31 22:09:16,291 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 279 transitions, 618 flow [2024-10-31 22:09:16,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2024-10-31 22:09:16,292 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:16,292 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] [2024-10-31 22:09:16,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:09:16,292 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-31 22:09:16,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:16,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1843407689, now seen corresponding path program 1 times [2024-10-31 22:09:16,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:16,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640523074] [2024-10-31 22:09:16,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:16,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:16,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:16,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640523074] [2024-10-31 22:09:16,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640523074] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:16,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:16,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:16,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64757508] [2024-10-31 22:09:16,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:16,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:16,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:16,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:16,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:16,514 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 278 [2024-10-31 22:09:16,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 279 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 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) [2024-10-31 22:09:16,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:16,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 278 [2024-10-31 22:09:16,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:17,108 INFO L124 PetriNetUnfolderBase]: 465/2114 cut-off events. [2024-10-31 22:09:17,109 INFO L125 PetriNetUnfolderBase]: For 149/152 co-relation queries the response was YES. [2024-10-31 22:09:17,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3358 conditions, 2114 events. 465/2114 cut-off events. For 149/152 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 14633 event pairs, 270 based on Foata normal form. 0/1903 useless extension candidates. Maximal degree in co-relation 3123. Up to 804 conditions per place. [2024-10-31 22:09:17,126 INFO L140 encePairwiseOnDemand]: 272/278 looper letters, 44 selfloop transitions, 7 changer transitions 0/295 dead transitions. [2024-10-31 22:09:17,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 295 transitions, 760 flow [2024-10-31 22:09:17,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:17,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 772 transitions. [2024-10-31 22:09:17,129 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9256594724220624 [2024-10-31 22:09:17,129 INFO L175 Difference]: Start difference. First operand has 276 places, 279 transitions, 618 flow. Second operand 3 states and 772 transitions. [2024-10-31 22:09:17,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 295 transitions, 760 flow [2024-10-31 22:09:17,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 295 transitions, 752 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:17,139 INFO L231 Difference]: Finished difference. Result has 278 places, 285 transitions, 672 flow [2024-10-31 22:09:17,139 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=672, PETRI_PLACES=278, PETRI_TRANSITIONS=285} [2024-10-31 22:09:17,141 INFO L277 CegarLoopForPetriNet]: 273 programPoint places, 5 predicate places. [2024-10-31 22:09:17,141 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 285 transitions, 672 flow [2024-10-31 22:09:17,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 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) [2024-10-31 22:09:17,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:17,142 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:17,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:09:17,143 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-31 22:09:17,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:17,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1833171140, now seen corresponding path program 1 times [2024-10-31 22:09:17,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:17,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371249447] [2024-10-31 22:09:17,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:17,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:17,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:17,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:17,334 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:09:17,335 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2024-10-31 22:09:17,337 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2024-10-31 22:09:17,337 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2024-10-31 22:09:17,338 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2024-10-31 22:09:17,338 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining) [2024-10-31 22:09:17,338 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2024-10-31 22:09:17,338 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2024-10-31 22:09:17,339 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2024-10-31 22:09:17,339 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2024-10-31 22:09:17,339 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2024-10-31 22:09:17,339 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2024-10-31 22:09:17,339 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2024-10-31 22:09:17,340 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2024-10-31 22:09:17,340 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2024-10-31 22:09:17,340 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2024-10-31 22:09:17,340 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2024-10-31 22:09:17,340 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2024-10-31 22:09:17,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:09:17,344 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 22:09:17,347 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-31 22:09:17,347 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-31 22:09:17,399 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:09:17,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 334 places, 339 transitions, 688 flow [2024-10-31 22:09:17,519 INFO L124 PetriNetUnfolderBase]: 20/445 cut-off events. [2024-10-31 22:09:17,519 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:09:17,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 445 events. 20/445 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 928 event pairs, 0 based on Foata normal form. 0/398 useless extension candidates. Maximal degree in co-relation 328. Up to 6 conditions per place. [2024-10-31 22:09:17,523 INFO L82 GeneralOperation]: Start removeDead. Operand has 334 places, 339 transitions, 688 flow [2024-10-31 22:09:17,527 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 334 places, 339 transitions, 688 flow [2024-10-31 22:09:17,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:09:17,529 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;@1ad1d431, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:09:17,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-10-31 22:09:17,545 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:09:17,545 INFO L124 PetriNetUnfolderBase]: 2/172 cut-off events. [2024-10-31 22:09:17,546 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:09:17,546 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:17,546 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] [2024-10-31 22:09:17,546 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:09:17,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:17,547 INFO L85 PathProgramCache]: Analyzing trace with hash 2029342055, now seen corresponding path program 1 times [2024-10-31 22:09:17,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:17,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250711221] [2024-10-31 22:09:17,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:17,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:17,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:17,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:17,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250711221] [2024-10-31 22:09:17,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250711221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:17,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:17,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:17,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517023900] [2024-10-31 22:09:17,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:17,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:17,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:17,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:17,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:17,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 339 [2024-10-31 22:09:17,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 339 transitions, 688 flow. Second operand has 3 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 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) [2024-10-31 22:09:17,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:17,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 339 [2024-10-31 22:09:17,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:28,524 INFO L124 PetriNetUnfolderBase]: 18901/48777 cut-off events. [2024-10-31 22:09:28,525 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-10-31 22:09:28,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77579 conditions, 48777 events. 18901/48777 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 1059. Compared 570746 event pairs, 5826 based on Foata normal form. 1521/44732 useless extension candidates. Maximal degree in co-relation 74733. Up to 15941 conditions per place. [2024-10-31 22:09:29,062 INFO L140 encePairwiseOnDemand]: 311/339 looper letters, 85 selfloop transitions, 16 changer transitions 1/380 dead transitions. [2024-10-31 22:09:29,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 380 transitions, 977 flow [2024-10-31 22:09:29,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-10-31 22:09:29,067 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390363815142576 [2024-10-31 22:09:29,067 INFO L175 Difference]: Start difference. First operand has 334 places, 339 transitions, 688 flow. Second operand 3 states and 955 transitions. [2024-10-31 22:09:29,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 380 transitions, 977 flow [2024-10-31 22:09:29,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 380 transitions, 977 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:09:29,077 INFO L231 Difference]: Finished difference. Result has 338 places, 348 transitions, 814 flow [2024-10-31 22:09:29,077 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=338, PETRI_TRANSITIONS=348} [2024-10-31 22:09:29,080 INFO L277 CegarLoopForPetriNet]: 334 programPoint places, 4 predicate places. [2024-10-31 22:09:29,080 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 348 transitions, 814 flow [2024-10-31 22:09:29,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 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) [2024-10-31 22:09:29,082 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:29,082 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] [2024-10-31 22:09:29,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:09:29,083 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:09:29,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:29,084 INFO L85 PathProgramCache]: Analyzing trace with hash -487857344, now seen corresponding path program 1 times [2024-10-31 22:09:29,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:29,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459446406] [2024-10-31 22:09:29,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:29,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:29,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:29,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459446406] [2024-10-31 22:09:29,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459446406] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:29,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:29,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:29,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554711683] [2024-10-31 22:09:29,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:29,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:29,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:29,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:29,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:29,272 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 339 [2024-10-31 22:09:29,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 348 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-10-31 22:09:29,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:29,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 339 [2024-10-31 22:09:29,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:32,114 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [Black: 337#true, 335#true, 62#L698-1true, 339#(= |#race~threads_alive~0| 0), 333#true, 232#L721-1true, 55#L698-6true, 342#true]) [2024-10-31 22:09:32,115 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2024-10-31 22:09:32,115 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-10-31 22:09:32,115 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-10-31 22:09:32,116 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-10-31 22:09:32,280 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][184], [179#L698-2true, Black: 337#true, 335#true, 339#(= |#race~threads_alive~0| 0), 333#true, 55#L698-6true, 232#L721-1true, 342#true]) [2024-10-31 22:09:32,281 INFO L294 olderBase$Statistics]: this new event has 235 ancestors and is cut-off event [2024-10-31 22:09:32,281 INFO L297 olderBase$Statistics]: existing Event has 235 ancestors and is cut-off event [2024-10-31 22:09:32,281 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2024-10-31 22:09:32,281 INFO L297 olderBase$Statistics]: existing Event has 235 ancestors and is cut-off event [2024-10-31 22:09:33,079 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][166], [Black: 337#true, 335#true, 339#(= |#race~threads_alive~0| 0), 333#true, 270#L698-6true, 55#L698-6true, 342#true, 232#L721-1true]) [2024-10-31 22:09:33,079 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2024-10-31 22:09:33,079 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-10-31 22:09:33,079 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-10-31 22:09:33,079 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-10-31 22:09:33,407 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [317#L700-3true, Black: 337#true, 335#true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 228#L730-2true, 333#true, 342#true]) [2024-10-31 22:09:33,408 INFO L294 olderBase$Statistics]: this new event has 242 ancestors and is cut-off event [2024-10-31 22:09:33,408 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2024-10-31 22:09:33,408 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2024-10-31 22:09:33,408 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2024-10-31 22:09:33,408 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [317#L700-3true, Black: 337#true, 335#true, 312#L729-3true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true]) [2024-10-31 22:09:33,409 INFO L294 olderBase$Statistics]: this new event has 242 ancestors and is cut-off event [2024-10-31 22:09:33,409 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2024-10-31 22:09:33,409 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2024-10-31 22:09:33,409 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2024-10-31 22:09:33,822 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [Black: 337#true, 335#true, 192#L693-3true, 48#L701-3true, 339#(= |#race~threads_alive~0| 0), 228#L730-2true, 333#true, 342#true]) [2024-10-31 22:09:33,823 INFO L294 olderBase$Statistics]: this new event has 244 ancestors and is cut-off event [2024-10-31 22:09:33,823 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:09:33,823 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-10-31 22:09:33,823 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-10-31 22:09:33,823 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [Black: 337#true, 335#true, 312#L729-3true, 192#L693-3true, 48#L701-3true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true]) [2024-10-31 22:09:33,823 INFO L294 olderBase$Statistics]: this new event has 244 ancestors and is cut-off event [2024-10-31 22:09:33,824 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-10-31 22:09:33,824 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:09:33,824 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-10-31 22:09:34,066 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [Black: 337#true, 181#L702-1true, 335#true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 228#L730-2true, 333#true, 342#true]) [2024-10-31 22:09:34,066 INFO L294 olderBase$Statistics]: this new event has 246 ancestors and is cut-off event [2024-10-31 22:09:34,066 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-10-31 22:09:34,066 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:09:34,066 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-10-31 22:09:34,067 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [Black: 337#true, 181#L702-1true, 335#true, 312#L729-3true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true]) [2024-10-31 22:09:34,067 INFO L294 olderBase$Statistics]: this new event has 246 ancestors and is cut-off event [2024-10-31 22:09:34,067 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-10-31 22:09:34,068 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-10-31 22:09:34,068 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:09:34,630 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [Black: 337#true, 335#true, 192#L693-3true, 259#L709-2true, 339#(= |#race~threads_alive~0| 0), 228#L730-2true, 333#true, 342#true]) [2024-10-31 22:09:34,630 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-10-31 22:09:34,630 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-10-31 22:09:34,630 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:09:34,630 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:09:34,631 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [132#L703-3true, Black: 337#true, 335#true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 228#L730-2true, 333#true, 342#true]) [2024-10-31 22:09:34,631 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-10-31 22:09:34,631 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-10-31 22:09:34,631 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:09:34,631 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:09:34,632 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [Black: 337#true, 335#true, 192#L693-3true, 312#L729-3true, 259#L709-2true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true]) [2024-10-31 22:09:34,632 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-10-31 22:09:34,632 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-10-31 22:09:34,632 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:09:34,632 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:09:34,632 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [132#L703-3true, Black: 337#true, 335#true, 312#L729-3true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true]) [2024-10-31 22:09:34,632 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-10-31 22:09:34,632 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-10-31 22:09:34,632 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:09:34,632 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:09:34,901 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [Black: 337#true, 335#true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 184#L704-3true, 228#L730-2true, 333#true, 342#true]) [2024-10-31 22:09:34,901 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-10-31 22:09:34,902 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:09:34,902 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:09:34,902 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2024-10-31 22:09:34,902 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [Black: 337#true, 335#true, 192#L693-3true, 312#L729-3true, 339#(= |#race~threads_alive~0| 0), 184#L704-3true, 333#true, 342#true]) [2024-10-31 22:09:34,903 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-10-31 22:09:34,903 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:09:34,903 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:09:34,903 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2024-10-31 22:09:34,916 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [26#L698-2true, Black: 337#true, 229#L728-1true, 335#true, 339#(= |#race~threads_alive~0| 0), 333#true, 270#L698-6true, 342#true]) [2024-10-31 22:09:34,916 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-10-31 22:09:34,917 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2024-10-31 22:09:34,917 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:09:34,917 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:09:34,922 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [179#L698-2true, Black: 337#true, 229#L728-1true, 335#true, 339#(= |#race~threads_alive~0| 0), 333#true, 55#L698-6true, 342#true]) [2024-10-31 22:09:34,922 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-10-31 22:09:34,922 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:09:34,922 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:09:34,922 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:09:36,098 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([983] L729-6-->L728-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][274], [Black: 337#true, 229#L728-1true, 335#true, 339#(= |#race~threads_alive~0| 0), 270#L698-6true, 333#true, 55#L698-6true, 342#true]) [2024-10-31 22:09:36,098 INFO L294 olderBase$Statistics]: this new event has 255 ancestors and is cut-off event [2024-10-31 22:09:36,098 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2024-10-31 22:09:36,098 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2024-10-31 22:09:36,099 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2024-10-31 22:09:37,497 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [Black: 337#true, 335#true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 252#L706-3true, 228#L730-2true, 333#true, 342#true]) [2024-10-31 22:09:37,498 INFO L294 olderBase$Statistics]: this new event has 261 ancestors and is cut-off event [2024-10-31 22:09:37,498 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2024-10-31 22:09:37,498 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2024-10-31 22:09:37,498 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2024-10-31 22:09:37,498 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [Black: 337#true, 335#true, 192#L693-3true, 312#L729-3true, 339#(= |#race~threads_alive~0| 0), 252#L706-3true, 333#true, 342#true]) [2024-10-31 22:09:37,498 INFO L294 olderBase$Statistics]: this new event has 261 ancestors and is cut-off event [2024-10-31 22:09:37,498 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2024-10-31 22:09:37,498 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2024-10-31 22:09:37,499 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2024-10-31 22:09:37,710 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([772] L728-4-->L730-2: Formula: (and (= 0 |v_ULTIMATE.start_main_#t~ret31#1_7|) (= (store |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29| (store (select |v_#pthreadsMutex_62| |v_~#threads_alive_mutex~0.base_29|) |v_~#threads_alive_mutex~0.offset_29| 0)) |v_#pthreadsMutex_61|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_62|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_61|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_29|, ULTIMATE.start_main_#t~ret31#1=|v_ULTIMATE.start_main_#t~ret31#1_7|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_29|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret31#1][224], [Black: 337#true, 303#L707-3true, 335#true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 228#L730-2true, 333#true, 342#true]) [2024-10-31 22:09:37,710 INFO L294 olderBase$Statistics]: this new event has 263 ancestors and is cut-off event [2024-10-31 22:09:37,710 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-10-31 22:09:37,710 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2024-10-31 22:09:37,711 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-10-31 22:09:37,711 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([921] L729-->L729-3: Formula: (and (= |v_#pthreadsMutex_45| (store |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21| (store (select |v_#pthreadsMutex_46| |v_~#threads_alive_mutex~0.base_21|) |v_~#threads_alive_mutex~0.offset_21| 0))) (= 0 |v_ULTIMATE.start_main_#t~ret29#1_6|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_46|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_45|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_21|, ULTIMATE.start_main_#t~ret29#1=|v_ULTIMATE.start_main_#t~ret29#1_6|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_21|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~ret29#1][225], [Black: 337#true, 303#L707-3true, 335#true, 312#L729-3true, 192#L693-3true, 339#(= |#race~threads_alive~0| 0), 333#true, 342#true]) [2024-10-31 22:09:37,711 INFO L294 olderBase$Statistics]: this new event has 263 ancestors and is cut-off event [2024-10-31 22:09:37,711 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-10-31 22:09:37,711 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-10-31 22:09:37,711 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2024-10-31 22:09:40,048 INFO L124 PetriNetUnfolderBase]: 18743/54628 cut-off events. [2024-10-31 22:09:40,048 INFO L125 PetriNetUnfolderBase]: For 2206/2362 co-relation queries the response was YES. [2024-10-31 22:09:40,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88990 conditions, 54628 events. 18743/54628 cut-off events. For 2206/2362 co-relation queries the response was YES. Maximal size of possible extension queue 1280. Compared 693545 event pairs, 12282 based on Foata normal form. 0/48750 useless extension candidates. Maximal degree in co-relation 85728. Up to 22325 conditions per place. [2024-10-31 22:09:40,449 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 60 selfloop transitions, 5 changer transitions 0/372 dead transitions. [2024-10-31 22:09:40,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 372 transitions, 992 flow [2024-10-31 22:09:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:40,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:40,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2024-10-31 22:09:40,452 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9262536873156342 [2024-10-31 22:09:40,453 INFO L175 Difference]: Start difference. First operand has 338 places, 348 transitions, 814 flow. Second operand 3 states and 942 transitions. [2024-10-31 22:09:40,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 372 transitions, 992 flow [2024-10-31 22:09:40,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 372 transitions, 960 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:40,494 INFO L231 Difference]: Finished difference. Result has 339 places, 352 transitions, 820 flow [2024-10-31 22:09:40,494 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=339, PETRI_TRANSITIONS=352} [2024-10-31 22:09:40,497 INFO L277 CegarLoopForPetriNet]: 334 programPoint places, 5 predicate places. [2024-10-31 22:09:40,498 INFO L471 AbstractCegarLoop]: Abstraction has has 339 places, 352 transitions, 820 flow [2024-10-31 22:09:40,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-10-31 22:09:40,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:40,499 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] [2024-10-31 22:09:40,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:09:40,500 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-10-31 22:09:40,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:40,500 INFO L85 PathProgramCache]: Analyzing trace with hash 572786072, now seen corresponding path program 1 times [2024-10-31 22:09:40,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:40,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473514809] [2024-10-31 22:09:40,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:40,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:40,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:40,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:40,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473514809] [2024-10-31 22:09:40,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473514809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:40,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:40,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:40,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461505554] [2024-10-31 22:09:40,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:40,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:40,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:40,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:40,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:40,916 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 339 [2024-10-31 22:09:40,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 352 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 289.0) internal successors, (867), 3 states have internal predecessors, (867), 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) [2024-10-31 22:09:40,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:40,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 339 [2024-10-31 22:09:40,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:41,780 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([963] L722-6-->L721-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][268], [112#L694-2true, 227#L694-7true, 347#true, Black: 337#true, Black: 344#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet26#1|), 335#true, 333#true, 232#L721-1true, 342#true]) [2024-10-31 22:09:41,781 INFO L294 olderBase$Statistics]: this new event has 210 ancestors and is cut-off event [2024-10-31 22:09:41,781 INFO L297 olderBase$Statistics]: existing Event has 205 ancestors and is cut-off event [2024-10-31 22:09:41,781 INFO L297 olderBase$Statistics]: existing Event has 205 ancestors and is cut-off event [2024-10-31 22:09:41,781 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event