./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya --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 c6e486078d0e4f6917a17aab835fe79b1b8a7d5ba88405bc862812316ae6c56b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:14:27,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:14:27,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 00:14:27,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:14:27,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:14:27,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:14:27,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:14:27,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:14:27,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:14:27,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:14:27,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:14:27,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:14:27,920 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:14:27,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:14:27,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:14:27,921 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:14:27,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:14:27,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:14:27,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:14:27,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:14:27,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:14:27,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:14:27,924 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 00:14:27,925 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:14:27,925 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:14:27,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:14:27,926 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:14:27,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:14:27,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:14:27,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:14:27,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:14:27,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:14:27,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:14:27,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:14:27,928 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:14:27,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:14:27,929 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:14:27,929 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:14:27,929 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:14:27,929 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:14:27,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:14:27,930 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_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6e486078d0e4f6917a17aab835fe79b1b8a7d5ba88405bc862812316ae6c56b [2023-11-29 00:14:28,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:14:28,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:14:28,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:14:28,179 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:14:28,179 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:14:28,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-2.i [2023-11-29 00:14:30,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:14:31,109 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:14:31,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-2.i [2023-11-29 00:14:31,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/data/544da4415/bcd9fa183d364898b779f074e128b187/FLAGa1916124e [2023-11-29 00:14:31,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/data/544da4415/bcd9fa183d364898b779f074e128b187 [2023-11-29 00:14:31,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:14:31,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:14:31,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:14:31,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:14:31,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:14:31,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30be868b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31, skipping insertion in model container [2023-11-29 00:14:31,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:14:31,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:14:31,531 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:14:31,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:14:31,602 WARN L675 CHandler]: The function pthread_detach is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:14:31,610 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:14:31,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31 WrapperNode [2023-11-29 00:14:31,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:14:31,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:14:31,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:14:31,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:14:31,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,656 INFO L138 Inliner]: procedures = 160, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-11-29 00:14:31,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:14:31,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:14:31,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:14:31,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:14:31,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:14:31,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:14:31,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:14:31,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:14:31,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31" (1/1) ... [2023-11-29 00:14:31,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:14:31,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:14:31,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:14:31,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdedc0e6-9f29-40d7-8ba5-ae3c40a490e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:14:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 00:14:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 00:14:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 00:14:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:14:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:14:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:14:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2023-11-29 00:14:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 00:14:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-29 00:14:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-29 00:14:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 00:14:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:14:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:14:31,754 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 00:14:31,885 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:14:31,887 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:14:32,159 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:14:32,208 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:14:32,208 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 00:14:32,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:14:32 BoogieIcfgContainer [2023-11-29 00:14:32,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:14:32,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:14:32,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:14:32,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:14:32,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:14:31" (1/3) ... [2023-11-29 00:14:32,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752dbf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:14:32, skipping insertion in model container [2023-11-29 00:14:32,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:14:31" (2/3) ... [2023-11-29 00:14:32,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752dbf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:14:32, skipping insertion in model container [2023-11-29 00:14:32,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:14:32" (3/3) ... [2023-11-29 00:14:32,218 INFO L112 eAbstractionObserver]: Analyzing ICFG thread-join-counter-inner-2.i [2023-11-29 00:14:32,227 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 00:14:32,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:14:32,235 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2023-11-29 00:14:32,235 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 00:14:32,290 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 00:14:32,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 154 transitions, 312 flow [2023-11-29 00:14:32,401 INFO L124 PetriNetUnfolderBase]: 11/197 cut-off events. [2023-11-29 00:14:32,401 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:14:32,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 197 events. 11/197 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 353 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 107. Up to 4 conditions per place. [2023-11-29 00:14:32,407 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 154 transitions, 312 flow [2023-11-29 00:14:32,413 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 151 places, 154 transitions, 312 flow [2023-11-29 00:14:32,423 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:14:32,428 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@5082f393, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:14:32,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-29 00:14:32,443 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 00:14:32,443 INFO L124 PetriNetUnfolderBase]: 2/58 cut-off events. [2023-11-29 00:14:32,444 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:14:32,444 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:32,445 INFO L208 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] [2023-11-29 00:14:32,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-29 00:14:32,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:32,449 INFO L85 PathProgramCache]: Analyzing trace with hash -2093384335, now seen corresponding path program 1 times [2023-11-29 00:14:32,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:32,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737811310] [2023-11-29 00:14:32,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:32,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:32,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:32,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:32,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737811310] [2023-11-29 00:14:32,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737811310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:32,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:32,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:14:32,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605134627] [2023-11-29 00:14:32,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:32,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:14:32,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:32,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:14:32,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:14:32,759 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 154 [2023-11-29 00:14:32,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 154 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:32,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:32,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 154 [2023-11-29 00:14:32,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:33,059 INFO L124 PetriNetUnfolderBase]: 246/1170 cut-off events. [2023-11-29 00:14:33,059 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 00:14:33,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1687 conditions, 1170 events. 246/1170 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7480 event pairs, 58 based on Foata normal form. 10/1073 useless extension candidates. Maximal degree in co-relation 1583. Up to 333 conditions per place. [2023-11-29 00:14:33,072 INFO L140 encePairwiseOnDemand]: 138/154 looper letters, 39 selfloop transitions, 8 changer transitions 1/168 dead transitions. [2023-11-29 00:14:33,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 168 transitions, 434 flow [2023-11-29 00:14:33,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:14:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:14:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2023-11-29 00:14:33,087 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9112554112554112 [2023-11-29 00:14:33,088 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 421 transitions. [2023-11-29 00:14:33,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 421 transitions. [2023-11-29 00:14:33,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:33,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 421 transitions. [2023-11-29 00:14:33,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:33,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:33,104 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:33,106 INFO L175 Difference]: Start difference. First operand has 151 places, 154 transitions, 312 flow. Second operand 3 states and 421 transitions. [2023-11-29 00:14:33,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 168 transitions, 434 flow [2023-11-29 00:14:33,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 168 transitions, 434 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 00:14:33,115 INFO L231 Difference]: Finished difference. Result has 153 places, 153 transitions, 358 flow [2023-11-29 00:14:33,117 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=153, PETRI_TRANSITIONS=153} [2023-11-29 00:14:33,121 INFO L281 CegarLoopForPetriNet]: 151 programPoint places, 2 predicate places. [2023-11-29 00:14:33,121 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 153 transitions, 358 flow [2023-11-29 00:14:33,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:33,122 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:33,122 INFO L208 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] [2023-11-29 00:14:33,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:14:33,123 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-29 00:14:33,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:33,123 INFO L85 PathProgramCache]: Analyzing trace with hash 842024950, now seen corresponding path program 1 times [2023-11-29 00:14:33,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:33,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608858022] [2023-11-29 00:14:33,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:33,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:33,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:33,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:33,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608858022] [2023-11-29 00:14:33,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608858022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:33,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:33,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:14:33,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805175457] [2023-11-29 00:14:33,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:33,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:14:33,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:33,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:14:33,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:14:33,710 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 154 [2023-11-29 00:14:33,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 153 transitions, 358 flow. Second operand has 6 states, 6 states have (on average 125.33333333333333) internal successors, (752), 6 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:33,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:33,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 154 [2023-11-29 00:14:33,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:34,010 INFO L124 PetriNetUnfolderBase]: 216/1422 cut-off events. [2023-11-29 00:14:34,010 INFO L125 PetriNetUnfolderBase]: For 69/69 co-relation queries the response was YES. [2023-11-29 00:14:34,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2040 conditions, 1422 events. 216/1422 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9844 event pairs, 108 based on Foata normal form. 0/1299 useless extension candidates. Maximal degree in co-relation 1929. Up to 314 conditions per place. [2023-11-29 00:14:34,021 INFO L140 encePairwiseOnDemand]: 148/154 looper letters, 44 selfloop transitions, 5 changer transitions 0/176 dead transitions. [2023-11-29 00:14:34,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 176 transitions, 502 flow [2023-11-29 00:14:34,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:14:34,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:14:34,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 794 transitions. [2023-11-29 00:14:34,025 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8593073593073594 [2023-11-29 00:14:34,026 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 794 transitions. [2023-11-29 00:14:34,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 794 transitions. [2023-11-29 00:14:34,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:34,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 794 transitions. [2023-11-29 00:14:34,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.33333333333334) internal successors, (794), 6 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 154.0) internal successors, (1078), 7 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,034 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 154.0) internal successors, (1078), 7 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,034 INFO L175 Difference]: Start difference. First operand has 153 places, 153 transitions, 358 flow. Second operand 6 states and 794 transitions. [2023-11-29 00:14:34,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 176 transitions, 502 flow [2023-11-29 00:14:34,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 176 transitions, 486 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:14:34,042 INFO L231 Difference]: Finished difference. Result has 154 places, 152 transitions, 350 flow [2023-11-29 00:14:34,042 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=350, PETRI_PLACES=154, PETRI_TRANSITIONS=152} [2023-11-29 00:14:34,043 INFO L281 CegarLoopForPetriNet]: 151 programPoint places, 3 predicate places. [2023-11-29 00:14:34,043 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 152 transitions, 350 flow [2023-11-29 00:14:34,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 125.33333333333333) internal successors, (752), 6 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,044 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:34,045 INFO L208 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] [2023-11-29 00:14:34,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:14:34,045 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-29 00:14:34,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:34,046 INFO L85 PathProgramCache]: Analyzing trace with hash -148487933, now seen corresponding path program 1 times [2023-11-29 00:14:34,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:34,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519388512] [2023-11-29 00:14:34,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:34,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:34,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:34,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:34,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519388512] [2023-11-29 00:14:34,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519388512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:34,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:34,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:14:34,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072971141] [2023-11-29 00:14:34,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:34,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:14:34,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:34,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:14:34,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:14:34,122 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 154 [2023-11-29 00:14:34,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 152 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:34,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 154 [2023-11-29 00:14:34,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:34,391 INFO L124 PetriNetUnfolderBase]: 299/1356 cut-off events. [2023-11-29 00:14:34,391 INFO L125 PetriNetUnfolderBase]: For 131/136 co-relation queries the response was YES. [2023-11-29 00:14:34,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2122 conditions, 1356 events. 299/1356 cut-off events. For 131/136 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 8890 event pairs, 156 based on Foata normal form. 4/1242 useless extension candidates. Maximal degree in co-relation 2014. Up to 504 conditions per place. [2023-11-29 00:14:34,400 INFO L140 encePairwiseOnDemand]: 148/154 looper letters, 36 selfloop transitions, 7 changer transitions 0/166 dead transitions. [2023-11-29 00:14:34,400 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 166 transitions, 472 flow [2023-11-29 00:14:34,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:14:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:14:34,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 413 transitions. [2023-11-29 00:14:34,402 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8939393939393939 [2023-11-29 00:14:34,402 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 413 transitions. [2023-11-29 00:14:34,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 413 transitions. [2023-11-29 00:14:34,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:34,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 413 transitions. [2023-11-29 00:14:34,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,407 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,407 INFO L175 Difference]: Start difference. First operand has 154 places, 152 transitions, 350 flow. Second operand 3 states and 413 transitions. [2023-11-29 00:14:34,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 166 transitions, 472 flow [2023-11-29 00:14:34,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 166 transitions, 462 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 00:14:34,412 INFO L231 Difference]: Finished difference. Result has 153 places, 158 transitions, 402 flow [2023-11-29 00:14:34,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=153, PETRI_TRANSITIONS=158} [2023-11-29 00:14:34,413 INFO L281 CegarLoopForPetriNet]: 151 programPoint places, 2 predicate places. [2023-11-29 00:14:34,414 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 158 transitions, 402 flow [2023-11-29 00:14:34,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,414 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:34,414 INFO L208 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] [2023-11-29 00:14:34,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:14:34,415 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-29 00:14:34,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:34,415 INFO L85 PathProgramCache]: Analyzing trace with hash 907076303, now seen corresponding path program 1 times [2023-11-29 00:14:34,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:34,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818639088] [2023-11-29 00:14:34,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:34,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:34,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:34,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818639088] [2023-11-29 00:14:34,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818639088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:34,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:34,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:14:34,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693627981] [2023-11-29 00:14:34,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:34,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:14:34,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:34,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:14:34,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:14:34,468 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 154 [2023-11-29 00:14:34,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 158 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:34,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 154 [2023-11-29 00:14:34,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:34,695 INFO L124 PetriNetUnfolderBase]: 265/1401 cut-off events. [2023-11-29 00:14:34,696 INFO L125 PetriNetUnfolderBase]: For 121/124 co-relation queries the response was YES. [2023-11-29 00:14:34,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2152 conditions, 1401 events. 265/1401 cut-off events. For 121/124 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 9571 event pairs, 119 based on Foata normal form. 0/1266 useless extension candidates. Maximal degree in co-relation 2042. Up to 363 conditions per place. [2023-11-29 00:14:34,705 INFO L140 encePairwiseOnDemand]: 150/154 looper letters, 23 selfloop transitions, 3 changer transitions 1/166 dead transitions. [2023-11-29 00:14:34,705 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 166 transitions, 472 flow [2023-11-29 00:14:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:14:34,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:14:34,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2023-11-29 00:14:34,707 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9112554112554112 [2023-11-29 00:14:34,707 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 421 transitions. [2023-11-29 00:14:34,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 421 transitions. [2023-11-29 00:14:34,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:34,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 421 transitions. [2023-11-29 00:14:34,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,712 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,712 INFO L175 Difference]: Start difference. First operand has 153 places, 158 transitions, 402 flow. Second operand 3 states and 421 transitions. [2023-11-29 00:14:34,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 166 transitions, 472 flow [2023-11-29 00:14:34,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 166 transitions, 458 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:14:34,718 INFO L231 Difference]: Finished difference. Result has 155 places, 160 transitions, 410 flow [2023-11-29 00:14:34,719 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=155, PETRI_TRANSITIONS=160} [2023-11-29 00:14:34,719 INFO L281 CegarLoopForPetriNet]: 151 programPoint places, 4 predicate places. [2023-11-29 00:14:34,720 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 160 transitions, 410 flow [2023-11-29 00:14:34,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:34,721 INFO L208 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] [2023-11-29 00:14:34,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:14:34,721 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-29 00:14:34,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:34,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1963720778, now seen corresponding path program 1 times [2023-11-29 00:14:34,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:34,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583661845] [2023-11-29 00:14:34,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:34,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:34,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:34,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583661845] [2023-11-29 00:14:34,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583661845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:34,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:34,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:14:34,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83245982] [2023-11-29 00:14:34,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:34,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:14:34,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:34,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:14:34,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:14:34,801 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 154 [2023-11-29 00:14:34,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 160 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:34,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:34,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 154 [2023-11-29 00:14:34,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:35,024 INFO L124 PetriNetUnfolderBase]: 319/1443 cut-off events. [2023-11-29 00:14:35,024 INFO L125 PetriNetUnfolderBase]: For 143/146 co-relation queries the response was YES. [2023-11-29 00:14:35,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2354 conditions, 1443 events. 319/1443 cut-off events. For 143/146 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 9754 event pairs, 142 based on Foata normal form. 0/1337 useless extension candidates. Maximal degree in co-relation 2241. Up to 440 conditions per place. [2023-11-29 00:14:35,034 INFO L140 encePairwiseOnDemand]: 149/154 looper letters, 28 selfloop transitions, 5 changer transitions 0/171 dead transitions. [2023-11-29 00:14:35,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 171 transitions, 502 flow [2023-11-29 00:14:35,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:14:35,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:14:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2023-11-29 00:14:35,036 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9090909090909091 [2023-11-29 00:14:35,036 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 420 transitions. [2023-11-29 00:14:35,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 420 transitions. [2023-11-29 00:14:35,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:35,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 420 transitions. [2023-11-29 00:14:35,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:35,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:35,041 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:35,041 INFO L175 Difference]: Start difference. First operand has 155 places, 160 transitions, 410 flow. Second operand 3 states and 420 transitions. [2023-11-29 00:14:35,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 171 transitions, 502 flow [2023-11-29 00:14:35,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 171 transitions, 494 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:14:35,047 INFO L231 Difference]: Finished difference. Result has 157 places, 163 transitions, 440 flow [2023-11-29 00:14:35,047 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=440, PETRI_PLACES=157, PETRI_TRANSITIONS=163} [2023-11-29 00:14:35,048 INFO L281 CegarLoopForPetriNet]: 151 programPoint places, 6 predicate places. [2023-11-29 00:14:35,048 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 163 transitions, 440 flow [2023-11-29 00:14:35,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:35,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:35,049 INFO L208 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] [2023-11-29 00:14:35,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:14:35,050 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-11-29 00:14:35,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:35,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1784822402, now seen corresponding path program 1 times [2023-11-29 00:14:35,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:35,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279393395] [2023-11-29 00:14:35,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:35,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:14:35,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:14:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:14:35,122 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:14:35,122 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:14:35,123 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 15 remaining) [2023-11-29 00:14:35,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2023-11-29 00:14:35,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2023-11-29 00:14:35,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2023-11-29 00:14:35,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2023-11-29 00:14:35,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2023-11-29 00:14:35,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (8 of 15 remaining) [2023-11-29 00:14:35,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2023-11-29 00:14:35,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2023-11-29 00:14:35,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2023-11-29 00:14:35,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2023-11-29 00:14:35,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2023-11-29 00:14:35,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2023-11-29 00:14:35,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2023-11-29 00:14:35,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2023-11-29 00:14:35,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:14:35,128 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 00:14:35,130 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-29 00:14:35,131 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-29 00:14:35,164 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 00:14:35,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 200 places, 201 transitions, 412 flow [2023-11-29 00:14:35,213 INFO L124 PetriNetUnfolderBase]: 16/305 cut-off events. [2023-11-29 00:14:35,213 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 00:14:35,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 305 events. 16/305 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 713 event pairs, 0 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 198. Up to 6 conditions per place. [2023-11-29 00:14:35,214 INFO L82 GeneralOperation]: Start removeDead. Operand has 200 places, 201 transitions, 412 flow [2023-11-29 00:14:35,218 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 200 places, 201 transitions, 412 flow [2023-11-29 00:14:35,219 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:14:35,220 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@5082f393, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:14:35,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-29 00:14:35,226 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 00:14:35,227 INFO L124 PetriNetUnfolderBase]: 2/58 cut-off events. [2023-11-29 00:14:35,227 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:14:35,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:35,227 INFO L208 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] [2023-11-29 00:14:35,227 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-11-29 00:14:35,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:35,228 INFO L85 PathProgramCache]: Analyzing trace with hash 589964090, now seen corresponding path program 1 times [2023-11-29 00:14:35,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:35,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241435956] [2023-11-29 00:14:35,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:35,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:35,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:35,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241435956] [2023-11-29 00:14:35,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241435956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:35,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:35,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:14:35,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587365766] [2023-11-29 00:14:35,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:35,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:14:35,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:35,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:14:35,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:14:35,298 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 201 [2023-11-29 00:14:35,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 201 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:35,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:35,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 201 [2023-11-29 00:14:35,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:38,671 INFO L124 PetriNetUnfolderBase]: 9063/25097 cut-off events. [2023-11-29 00:14:38,671 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2023-11-29 00:14:38,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39375 conditions, 25097 events. 9063/25097 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 277930 event pairs, 2952 based on Foata normal form. 221/22561 useless extension candidates. Maximal degree in co-relation 27939. Up to 8299 conditions per place. [2023-11-29 00:14:38,793 INFO L140 encePairwiseOnDemand]: 175/201 looper letters, 65 selfloop transitions, 16 changer transitions 1/234 dead transitions. [2023-11-29 00:14:38,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 234 transitions, 645 flow [2023-11-29 00:14:38,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:14:38,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:14:38,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-11-29 00:14:38,796 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9170812603648425 [2023-11-29 00:14:38,796 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-11-29 00:14:38,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-11-29 00:14:38,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:38,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-11-29 00:14:38,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:38,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:38,800 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:38,800 INFO L175 Difference]: Start difference. First operand has 200 places, 201 transitions, 412 flow. Second operand 3 states and 553 transitions. [2023-11-29 00:14:38,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 234 transitions, 645 flow [2023-11-29 00:14:38,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 234 transitions, 645 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 00:14:38,804 INFO L231 Difference]: Finished difference. Result has 204 places, 212 transitions, 542 flow [2023-11-29 00:14:38,805 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=204, PETRI_TRANSITIONS=212} [2023-11-29 00:14:38,805 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, 4 predicate places. [2023-11-29 00:14:38,806 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 212 transitions, 542 flow [2023-11-29 00:14:38,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:38,806 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:38,806 INFO L208 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] [2023-11-29 00:14:38,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:14:38,807 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-11-29 00:14:38,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:38,807 INFO L85 PathProgramCache]: Analyzing trace with hash -2035238035, now seen corresponding path program 1 times [2023-11-29 00:14:38,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:38,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084011892] [2023-11-29 00:14:38,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:38,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:39,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:39,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084011892] [2023-11-29 00:14:39,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084011892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:39,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:39,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:14:39,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351041828] [2023-11-29 00:14:39,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:39,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:14:39,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:39,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:14:39,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:14:39,222 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 201 [2023-11-29 00:14:39,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 212 transitions, 542 flow. Second operand has 6 states, 6 states have (on average 165.33333333333334) internal successors, (992), 6 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:39,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:39,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 201 [2023-11-29 00:14:39,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:42,240 INFO L124 PetriNetUnfolderBase]: 6422/27501 cut-off events. [2023-11-29 00:14:42,240 INFO L125 PetriNetUnfolderBase]: For 1730/1840 co-relation queries the response was YES. [2023-11-29 00:14:42,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42053 conditions, 27501 events. 6422/27501 cut-off events. For 1730/1840 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 351927 event pairs, 3393 based on Foata normal form. 0/25015 useless extension candidates. Maximal degree in co-relation 36169. Up to 6206 conditions per place. [2023-11-29 00:14:42,378 INFO L140 encePairwiseOnDemand]: 195/201 looper letters, 75 selfloop transitions, 5 changer transitions 0/259 dead transitions. [2023-11-29 00:14:42,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 259 transitions, 796 flow [2023-11-29 00:14:42,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:14:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:14:42,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1065 transitions. [2023-11-29 00:14:42,381 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8830845771144279 [2023-11-29 00:14:42,381 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1065 transitions. [2023-11-29 00:14:42,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1065 transitions. [2023-11-29 00:14:42,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:42,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1065 transitions. [2023-11-29 00:14:42,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.5) internal successors, (1065), 6 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:42,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:42,386 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:42,387 INFO L175 Difference]: Start difference. First operand has 204 places, 212 transitions, 542 flow. Second operand 6 states and 1065 transitions. [2023-11-29 00:14:42,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 259 transitions, 796 flow [2023-11-29 00:14:42,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 259 transitions, 764 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:14:42,409 INFO L231 Difference]: Finished difference. Result has 205 places, 211 transitions, 518 flow [2023-11-29 00:14:42,409 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=518, PETRI_PLACES=205, PETRI_TRANSITIONS=211} [2023-11-29 00:14:42,410 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, 5 predicate places. [2023-11-29 00:14:42,410 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 211 transitions, 518 flow [2023-11-29 00:14:42,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.33333333333334) internal successors, (992), 6 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:42,411 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:42,411 INFO L208 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] [2023-11-29 00:14:42,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:14:42,411 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-11-29 00:14:42,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:42,412 INFO L85 PathProgramCache]: Analyzing trace with hash 760728538, now seen corresponding path program 1 times [2023-11-29 00:14:42,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:42,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813663082] [2023-11-29 00:14:42,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:42,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:42,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:42,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813663082] [2023-11-29 00:14:42,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813663082] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:42,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:42,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:14:42,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628332906] [2023-11-29 00:14:42,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:42,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:14:42,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:42,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:14:42,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:14:42,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 201 [2023-11-29 00:14:42,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 211 transitions, 518 flow. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:42,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:42,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 201 [2023-11-29 00:14:42,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:42,909 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][178], [Black: 203#true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, 50#L692-7true, 184#L692-2true, 216#true, 209#true]) [2023-11-29 00:14:42,909 INFO L294 olderBase$Statistics]: this new event has 116 ancestors and is cut-off event [2023-11-29 00:14:42,909 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2023-11-29 00:14:42,910 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:42,910 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2023-11-29 00:14:43,109 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][78], [Black: 203#true, 161#L694true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, 184#L692-2true, 216#true, 209#true]) [2023-11-29 00:14:43,109 INFO L294 olderBase$Statistics]: this new event has 118 ancestors and is cut-off event [2023-11-29 00:14:43,109 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event [2023-11-29 00:14:43,109 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2023-11-29 00:14:43,110 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2023-11-29 00:14:43,150 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][78], [Black: 203#true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, 86#L694-3true, 184#L692-2true, 216#true, 209#true]) [2023-11-29 00:14:43,150 INFO L294 olderBase$Statistics]: this new event has 119 ancestors and is cut-off event [2023-11-29 00:14:43,151 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2023-11-29 00:14:43,151 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2023-11-29 00:14:43,151 INFO L297 olderBase$Statistics]: existing Event has 119 ancestors and is cut-off event [2023-11-29 00:14:43,222 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][78], [Black: 203#true, 170#L695-3true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, 184#L692-2true, 216#true, 209#true]) [2023-11-29 00:14:43,222 INFO L294 olderBase$Statistics]: this new event has 121 ancestors and is cut-off event [2023-11-29 00:14:43,222 INFO L297 olderBase$Statistics]: existing Event has 121 ancestors and is cut-off event [2023-11-29 00:14:43,222 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2023-11-29 00:14:43,222 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2023-11-29 00:14:43,289 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([530] L717-4-->L717-1: 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][177], [38#L717-1true, Black: 203#true, threadThread1of2ForFork0InUse, threadThread2of2ForFork0InUse, 50#L692-7true, 184#L692-2true, 216#true, 209#true]) [2023-11-29 00:14:43,289 INFO L294 olderBase$Statistics]: this new event has 123 ancestors and is cut-off event [2023-11-29 00:14:43,289 INFO L297 olderBase$Statistics]: existing Event has 123 ancestors and is cut-off event [2023-11-29 00:14:43,289 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:43,289 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:43,613 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][78], [Black: 203#true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, 184#L692-2true, 216#true, 209#true, 197#L697-3true]) [2023-11-29 00:14:43,613 INFO L294 olderBase$Statistics]: this new event has 131 ancestors and is cut-off event [2023-11-29 00:14:43,613 INFO L297 olderBase$Statistics]: existing Event has 131 ancestors and is cut-off event [2023-11-29 00:14:43,613 INFO L297 olderBase$Statistics]: existing Event has 124 ancestors and is cut-off event [2023-11-29 00:14:43,613 INFO L297 olderBase$Statistics]: existing Event has 124 ancestors and is cut-off event [2023-11-29 00:14:43,696 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][78], [Black: 203#true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, 47#L698-3true, 184#L692-2true, 216#true, 209#true]) [2023-11-29 00:14:43,697 INFO L294 olderBase$Statistics]: this new event has 133 ancestors and is cut-off event [2023-11-29 00:14:43,697 INFO L297 olderBase$Statistics]: existing Event has 133 ancestors and is cut-off event [2023-11-29 00:14:43,697 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2023-11-29 00:14:43,697 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2023-11-29 00:14:44,234 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 203#true, threadThread1of2ForFork0InUse, 180#L699-2true, 160#L713-1true, threadThread2of2ForFork0InUse, 50#L692-7true, 216#true, 209#true]) [2023-11-29 00:14:44,234 INFO L294 olderBase$Statistics]: this new event has 141 ancestors and is cut-off event [2023-11-29 00:14:44,234 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:44,234 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:44,234 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:44,457 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][78], [Black: 203#true, 161#L694true, threadThread1of2ForFork0InUse, 180#L699-2true, 160#L713-1true, threadThread2of2ForFork0InUse, 216#true, 209#true]) [2023-11-29 00:14:44,457 INFO L294 olderBase$Statistics]: this new event has 143 ancestors and is cut-off event [2023-11-29 00:14:44,458 INFO L297 olderBase$Statistics]: existing Event has 143 ancestors and is cut-off event [2023-11-29 00:14:44,458 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-11-29 00:14:44,458 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-11-29 00:14:44,532 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][78], [Black: 203#true, threadThread1of2ForFork0InUse, 180#L699-2true, 160#L713-1true, threadThread2of2ForFork0InUse, 86#L694-3true, 216#true, 209#true]) [2023-11-29 00:14:44,532 INFO L294 olderBase$Statistics]: this new event has 144 ancestors and is cut-off event [2023-11-29 00:14:44,533 INFO L297 olderBase$Statistics]: existing Event has 137 ancestors and is cut-off event [2023-11-29 00:14:44,533 INFO L297 olderBase$Statistics]: existing Event has 144 ancestors and is cut-off event [2023-11-29 00:14:44,533 INFO L297 olderBase$Statistics]: existing Event has 137 ancestors and is cut-off event [2023-11-29 00:14:44,671 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][78], [Black: 203#true, 170#L695-3true, threadThread1of2ForFork0InUse, 180#L699-2true, 160#L713-1true, threadThread2of2ForFork0InUse, 216#true, 209#true]) [2023-11-29 00:14:44,671 INFO L294 olderBase$Statistics]: this new event has 146 ancestors and is cut-off event [2023-11-29 00:14:44,671 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-11-29 00:14:44,671 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2023-11-29 00:14:44,671 INFO L297 olderBase$Statistics]: existing Event has 146 ancestors and is cut-off event [2023-11-29 00:14:45,280 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][78], [Black: 203#true, threadThread1of2ForFork0InUse, 180#L699-2true, 160#L713-1true, threadThread2of2ForFork0InUse, 216#true, 209#true, 197#L697-3true]) [2023-11-29 00:14:45,280 INFO L294 olderBase$Statistics]: this new event has 156 ancestors and is cut-off event [2023-11-29 00:14:45,280 INFO L297 olderBase$Statistics]: existing Event has 149 ancestors and is cut-off event [2023-11-29 00:14:45,280 INFO L297 olderBase$Statistics]: existing Event has 156 ancestors and is cut-off event [2023-11-29 00:14:45,280 INFO L297 olderBase$Statistics]: existing Event has 149 ancestors and is cut-off event [2023-11-29 00:14:45,332 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][78], [Black: 203#true, threadThread1of2ForFork0InUse, 180#L699-2true, 160#L713-1true, 47#L698-3true, threadThread2of2ForFork0InUse, 216#true, 209#true]) [2023-11-29 00:14:45,333 INFO L294 olderBase$Statistics]: this new event has 158 ancestors and is cut-off event [2023-11-29 00:14:45,333 INFO L297 olderBase$Statistics]: existing Event has 151 ancestors and is cut-off event [2023-11-29 00:14:45,333 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2023-11-29 00:14:45,333 INFO L297 olderBase$Statistics]: existing Event has 151 ancestors and is cut-off event [2023-11-29 00:14:45,678 INFO L124 PetriNetUnfolderBase]: 10060/29432 cut-off events. [2023-11-29 00:14:45,678 INFO L125 PetriNetUnfolderBase]: For 4447/4947 co-relation queries the response was YES. [2023-11-29 00:14:45,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51110 conditions, 29432 events. 10060/29432 cut-off events. For 4447/4947 co-relation queries the response was YES. Maximal size of possible extension queue 673. Compared 338761 event pairs, 5498 based on Foata normal form. 160/26543 useless extension candidates. Maximal degree in co-relation 24473. Up to 13110 conditions per place. [2023-11-29 00:14:45,826 INFO L140 encePairwiseOnDemand]: 191/201 looper letters, 59 selfloop transitions, 16 changer transitions 0/240 dead transitions. [2023-11-29 00:14:45,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 240 transitions, 755 flow [2023-11-29 00:14:45,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:14:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:14:45,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2023-11-29 00:14:45,829 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.900497512437811 [2023-11-29 00:14:45,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 543 transitions. [2023-11-29 00:14:45,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 543 transitions. [2023-11-29 00:14:45,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:45,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 543 transitions. [2023-11-29 00:14:45,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:45,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:45,834 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:45,834 INFO L175 Difference]: Start difference. First operand has 205 places, 211 transitions, 518 flow. Second operand 3 states and 543 transitions. [2023-11-29 00:14:45,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 240 transitions, 755 flow [2023-11-29 00:14:45,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 240 transitions, 745 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 00:14:45,840 INFO L231 Difference]: Finished difference. Result has 204 places, 225 transitions, 654 flow [2023-11-29 00:14:45,840 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=654, PETRI_PLACES=204, PETRI_TRANSITIONS=225} [2023-11-29 00:14:45,841 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, 4 predicate places. [2023-11-29 00:14:45,841 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 225 transitions, 654 flow [2023-11-29 00:14:45,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:45,841 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:45,842 INFO L208 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] [2023-11-29 00:14:45,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:14:45,842 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-11-29 00:14:45,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:45,843 INFO L85 PathProgramCache]: Analyzing trace with hash -897580584, now seen corresponding path program 1 times [2023-11-29 00:14:45,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:45,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656441524] [2023-11-29 00:14:45,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:45,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:45,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:45,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656441524] [2023-11-29 00:14:45,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656441524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:45,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:45,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:14:45,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055912688] [2023-11-29 00:14:45,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:45,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:14:45,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:45,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:14:45,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:14:45,887 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 201 [2023-11-29 00:14:45,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 225 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:45,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:45,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 201 [2023-11-29 00:14:45,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:46,239 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][173], [Black: 203#true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 184#L692-2true, 216#true, 222#true]) [2023-11-29 00:14:46,240 INFO L294 olderBase$Statistics]: this new event has 116 ancestors and is cut-off event [2023-11-29 00:14:46,240 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2023-11-29 00:14:46,240 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:46,240 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2023-11-29 00:14:46,330 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][78], [Black: 203#true, 161#L694true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, 184#L692-2true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 216#true]) [2023-11-29 00:14:46,330 INFO L294 olderBase$Statistics]: this new event has 118 ancestors and is cut-off event [2023-11-29 00:14:46,330 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2023-11-29 00:14:46,330 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event [2023-11-29 00:14:46,330 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2023-11-29 00:14:46,581 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([530] L717-4-->L717-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][172], [38#L717-1true, Black: 203#true, threadThread1of2ForFork0InUse, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 184#L692-2true, 222#true, 216#true]) [2023-11-29 00:14:46,581 INFO L294 olderBase$Statistics]: this new event has 123 ancestors and is cut-off event [2023-11-29 00:14:46,581 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:46,581 INFO L297 olderBase$Statistics]: existing Event has 123 ancestors and is cut-off event [2023-11-29 00:14:46,581 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:46,623 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([645] L692-->L692-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 203#true, threadThread1of2ForFork0InUse, 70#L717-2true, threadThread2of2ForFork0InUse, 53#L692-1true, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 216#true]) [2023-11-29 00:14:46,623 INFO L294 olderBase$Statistics]: this new event has 123 ancestors and is cut-off event [2023-11-29 00:14:46,623 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:46,623 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:46,623 INFO L297 olderBase$Statistics]: existing Event has 123 ancestors and is cut-off event [2023-11-29 00:14:46,729 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([645] L692-->L692-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][137], [Black: 203#true, 161#L694true, threadThread1of2ForFork0InUse, 70#L717-2true, threadThread2of2ForFork0InUse, 53#L692-1true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 216#true]) [2023-11-29 00:14:46,729 INFO L294 olderBase$Statistics]: this new event has 125 ancestors and is cut-off event [2023-11-29 00:14:46,729 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event [2023-11-29 00:14:46,729 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event [2023-11-29 00:14:46,729 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2023-11-29 00:14:47,450 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][173], [Black: 203#true, threadThread1of2ForFork0InUse, 180#L699-2true, 160#L713-1true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 216#true, 222#true]) [2023-11-29 00:14:47,450 INFO L294 olderBase$Statistics]: this new event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,451 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:47,451 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:47,451 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,451 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][173], [Black: 203#true, threadThread1of2ForFork0InUse, 180#L699-2true, 160#L713-1true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 216#true, 222#true]) [2023-11-29 00:14:47,451 INFO L294 olderBase$Statistics]: this new event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,451 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:47,451 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,452 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:47,452 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,493 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([673] L699-->L699-1: Formula: (= |v_#race~threads_alive~0_13| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_13|} AuxVars[] AssignedVars[#race~threads_alive~0][236], [Black: 203#true, threadThread1of2ForFork0InUse, 70#L717-2true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 216#true, 54#L699-1true]) [2023-11-29 00:14:47,493 INFO L294 olderBase$Statistics]: this new event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,493 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,493 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,493 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,516 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([673] L699-->L699-1: Formula: (= |v_#race~threads_alive~0_13| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_13|} AuxVars[] AssignedVars[#race~threads_alive~0][236], [Black: 203#true, threadThread1of2ForFork0InUse, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 216#true, 54#L699-1true, 10#L713-2true]) [2023-11-29 00:14:47,517 INFO L294 olderBase$Statistics]: this new event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,517 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:47,517 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:47,517 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,530 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][173], [Black: 203#true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 216#true, 54#L699-1true, 222#true]) [2023-11-29 00:14:47,530 INFO L294 olderBase$Statistics]: this new event has 140 ancestors and is cut-off event [2023-11-29 00:14:47,530 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2023-11-29 00:14:47,530 INFO L297 olderBase$Statistics]: existing Event has 133 ancestors and is cut-off event [2023-11-29 00:14:47,530 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2023-11-29 00:14:47,806 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][78], [Black: 203#true, threadThread1of2ForFork0InUse, 160#L713-1true, 180#L699-2true, threadThread2of2ForFork0InUse, 7#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 216#true]) [2023-11-29 00:14:47,806 INFO L294 olderBase$Statistics]: this new event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,806 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:47,807 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,807 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,850 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][78], [Black: 203#true, 161#L694true, threadThread1of2ForFork0InUse, 180#L699-2true, 160#L713-1true, threadThread2of2ForFork0InUse, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 216#true, 222#true]) [2023-11-29 00:14:47,850 INFO L294 olderBase$Statistics]: this new event has 143 ancestors and is cut-off event [2023-11-29 00:14:47,850 INFO L297 olderBase$Statistics]: existing Event has 143 ancestors and is cut-off event [2023-11-29 00:14:47,850 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-11-29 00:14:47,850 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-11-29 00:14:47,890 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([673] L699-->L699-1: Formula: (= |v_#race~threads_alive~0_13| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_13|} AuxVars[] AssignedVars[#race~threads_alive~0][205], [Black: 203#true, 161#L694true, threadThread1of2ForFork0InUse, 70#L717-2true, threadThread2of2ForFork0InUse, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 216#true, 222#true, 54#L699-1true]) [2023-11-29 00:14:47,890 INFO L294 olderBase$Statistics]: this new event has 143 ancestors and is cut-off event [2023-11-29 00:14:47,890 INFO L297 olderBase$Statistics]: existing Event has 143 ancestors and is cut-off event [2023-11-29 00:14:47,890 INFO L297 olderBase$Statistics]: existing Event has 143 ancestors and is cut-off event [2023-11-29 00:14:47,890 INFO L297 olderBase$Statistics]: existing Event has 143 ancestors and is cut-off event [2023-11-29 00:14:47,994 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([530] L717-4-->L717-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][172], [38#L717-1true, Black: 203#true, threadThread1of2ForFork0InUse, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 54#L699-1true, 216#true, 222#true]) [2023-11-29 00:14:47,994 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is cut-off event [2023-11-29 00:14:47,994 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2023-11-29 00:14:47,994 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2023-11-29 00:14:47,994 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2023-11-29 00:14:47,995 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([530] L717-4-->L717-1: 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][77], [38#L717-1true, Black: 203#true, threadThread1of2ForFork0InUse, 180#L699-2true, threadThread2of2ForFork0InUse, 7#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 216#true, 222#true]) [2023-11-29 00:14:47,995 INFO L294 olderBase$Statistics]: this new event has 148 ancestors and is cut-off event [2023-11-29 00:14:47,995 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,995 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,995 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,995 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([530] L717-4-->L717-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][172], [Black: 203#true, 38#L717-1true, threadThread1of2ForFork0InUse, 180#L699-2true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 216#true, 222#true]) [2023-11-29 00:14:47,995 INFO L294 olderBase$Statistics]: this new event has 148 ancestors and is cut-off event [2023-11-29 00:14:47,995 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,996 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,996 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,996 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([530] L717-4-->L717-1: 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][172], [38#L717-1true, Black: 203#true, threadThread1of2ForFork0InUse, 180#L699-2true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 216#true]) [2023-11-29 00:14:47,996 INFO L294 olderBase$Statistics]: this new event has 148 ancestors and is cut-off event [2023-11-29 00:14:47,996 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,997 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2023-11-29 00:14:47,997 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:47,997 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:48,720 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][78], [Black: 203#true, 69#L699-1true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 153#L699-6true, 222#true, 216#true]) [2023-11-29 00:14:48,721 INFO L294 olderBase$Statistics]: this new event has 164 ancestors and is cut-off event [2023-11-29 00:14:48,721 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-11-29 00:14:48,721 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-11-29 00:14:48,721 INFO L297 olderBase$Statistics]: existing Event has 157 ancestors and is cut-off event [2023-11-29 00:14:48,752 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][78], [Black: 203#true, 15#L699-2true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 153#L699-6true, 222#true, 216#true]) [2023-11-29 00:14:48,752 INFO L294 olderBase$Statistics]: this new event has 165 ancestors and is cut-off event [2023-11-29 00:14:48,752 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2023-11-29 00:14:48,752 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-11-29 00:14:48,752 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-11-29 00:14:48,854 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][52], [Black: 203#true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, 118#L699-6true, 153#L699-6true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 216#true]) [2023-11-29 00:14:48,854 INFO L294 olderBase$Statistics]: this new event has 169 ancestors and is cut-off event [2023-11-29 00:14:48,854 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-11-29 00:14:48,854 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-11-29 00:14:48,854 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2023-11-29 00:14:49,048 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([530] L717-4-->L717-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][77], [38#L717-1true, Black: 203#true, 69#L699-1true, threadThread1of2ForFork0InUse, threadThread2of2ForFork0InUse, 153#L699-6true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 216#true]) [2023-11-29 00:14:49,048 INFO L294 olderBase$Statistics]: this new event has 171 ancestors and is cut-off event [2023-11-29 00:14:49,048 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-11-29 00:14:49,048 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-11-29 00:14:49,048 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2023-11-29 00:14:49,201 INFO L124 PetriNetUnfolderBase]: 8718/30388 cut-off events. [2023-11-29 00:14:49,201 INFO L125 PetriNetUnfolderBase]: For 4220/4721 co-relation queries the response was YES. [2023-11-29 00:14:49,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50793 conditions, 30388 events. 8718/30388 cut-off events. For 4220/4721 co-relation queries the response was YES. Maximal size of possible extension queue 800. Compared 379269 event pairs, 4765 based on Foata normal form. 39/27123 useless extension candidates. Maximal degree in co-relation 48524. Up to 8455 conditions per place. [2023-11-29 00:14:49,357 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 38 selfloop transitions, 4 changer transitions 0/240 dead transitions. [2023-11-29 00:14:49,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 240 transitions, 768 flow [2023-11-29 00:14:49,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:14:49,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:14:49,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-11-29 00:14:49,360 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9170812603648425 [2023-11-29 00:14:49,361 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-11-29 00:14:49,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-11-29 00:14:49,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:49,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-11-29 00:14:49,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:49,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:49,364 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:49,364 INFO L175 Difference]: Start difference. First operand has 204 places, 225 transitions, 654 flow. Second operand 3 states and 553 transitions. [2023-11-29 00:14:49,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 240 transitions, 768 flow [2023-11-29 00:14:49,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 240 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:14:49,388 INFO L231 Difference]: Finished difference. Result has 206 places, 228 transitions, 652 flow [2023-11-29 00:14:49,389 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=206, PETRI_TRANSITIONS=228} [2023-11-29 00:14:49,389 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, 6 predicate places. [2023-11-29 00:14:49,389 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 228 transitions, 652 flow [2023-11-29 00:14:49,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:49,390 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:49,390 INFO L208 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] [2023-11-29 00:14:49,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:14:49,390 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-11-29 00:14:49,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:49,391 INFO L85 PathProgramCache]: Analyzing trace with hash 2142691169, now seen corresponding path program 1 times [2023-11-29 00:14:49,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:49,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102524193] [2023-11-29 00:14:49,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:49,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:49,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:49,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:49,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102524193] [2023-11-29 00:14:49,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102524193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:49,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:49,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:14:49,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576433881] [2023-11-29 00:14:49,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:49,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:14:49,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:49,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:14:49,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:14:49,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 201 [2023-11-29 00:14:49,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 228 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:49,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:49,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 201 [2023-11-29 00:14:49,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:49,930 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][173], [Black: 203#true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, 50#L692-7true, 184#L692-2true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 228#true]) [2023-11-29 00:14:49,930 INFO L294 olderBase$Statistics]: this new event has 116 ancestors and is cut-off event [2023-11-29 00:14:49,931 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2023-11-29 00:14:49,931 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:49,931 INFO L297 olderBase$Statistics]: existing Event has 109 ancestors and is cut-off event [2023-11-29 00:14:50,105 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][78], [Black: 203#true, Black: 224#(= |#race~data~0| 0), 161#L694true, threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 184#L692-2true, 228#true, 222#true]) [2023-11-29 00:14:50,105 INFO L294 olderBase$Statistics]: this new event has 118 ancestors and is cut-off event [2023-11-29 00:14:50,105 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2023-11-29 00:14:50,106 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event [2023-11-29 00:14:50,106 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2023-11-29 00:14:50,354 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([530] L717-4-->L717-1: 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][172], [38#L717-1true, Black: 203#true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 184#L692-2true, 222#true, 228#true]) [2023-11-29 00:14:50,355 INFO L294 olderBase$Statistics]: this new event has 123 ancestors and is cut-off event [2023-11-29 00:14:50,355 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:50,355 INFO L297 olderBase$Statistics]: existing Event has 123 ancestors and is cut-off event [2023-11-29 00:14:50,355 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:50,413 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([645] L692-->L692-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][214], [Black: 203#true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 70#L717-2true, threadThread2of2ForFork0InUse, 53#L692-1true, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 228#true, 222#true]) [2023-11-29 00:14:50,413 INFO L294 olderBase$Statistics]: this new event has 123 ancestors and is cut-off event [2023-11-29 00:14:50,413 INFO L297 olderBase$Statistics]: existing Event has 123 ancestors and is cut-off event [2023-11-29 00:14:50,413 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:50,413 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-29 00:14:50,582 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([645] L692-->L692-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][138], [Black: 203#true, Black: 224#(= |#race~data~0| 0), 161#L694true, threadThread1of2ForFork0InUse, 70#L717-2true, threadThread2of2ForFork0InUse, 53#L692-1true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 228#true, 222#true]) [2023-11-29 00:14:50,582 INFO L294 olderBase$Statistics]: this new event has 125 ancestors and is cut-off event [2023-11-29 00:14:50,582 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event [2023-11-29 00:14:50,582 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2023-11-29 00:14:50,582 INFO L297 olderBase$Statistics]: existing Event has 118 ancestors and is cut-off event [2023-11-29 00:14:51,487 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([493] L717-5-->L719-2: Formula: (and (= |v_#pthreadsMutex_81| (store |v_#pthreadsMutex_82| |v_~#threads_alive_mutex~0.base_45| (store (select |v_#pthreadsMutex_82| |v_~#threads_alive_mutex~0.base_45|) |v_~#threads_alive_mutex~0.offset_45| 0))) (= |v_ULTIMATE.start_main_#t~nondet25#1_7| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_82|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_45|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_45|} OutVars{ULTIMATE.start_main_#t~nondet25#1=|v_ULTIMATE.start_main_#t~nondet25#1_7|, #pthreadsMutex=|v_#pthreadsMutex_81|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_45|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_45|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet25#1][202], [Black: 203#true, Black: 224#(= |#race~data~0| 0), 44#L696-6true, threadThread1of2ForFork0InUse, threadThread2of2ForFork0InUse, 21#L719-2true, 53#L692-1true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), 222#true]) [2023-11-29 00:14:51,487 INFO L294 olderBase$Statistics]: this new event has 137 ancestors and is cut-off event [2023-11-29 00:14:51,487 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event [2023-11-29 00:14:51,487 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event [2023-11-29 00:14:51,488 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event [2023-11-29 00:14:51,488 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([546] L718-->L718-3: Formula: (and (= |v_ULTIMATE.start_main_#t~nondet23#1_7| 0) (= |v_#pthreadsMutex_65| (store |v_#pthreadsMutex_66| |v_~#threads_alive_mutex~0.base_37| (store (select |v_#pthreadsMutex_66| |v_~#threads_alive_mutex~0.base_37|) |v_~#threads_alive_mutex~0.offset_37| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_66|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_37|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_37|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_65|, ULTIMATE.start_main_#t~nondet23#1=|v_ULTIMATE.start_main_#t~nondet23#1_7|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_37|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_37|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet23#1][201], [Black: 203#true, Black: 224#(= |#race~data~0| 0), 101#L718-3true, 44#L696-6true, threadThread1of2ForFork0InUse, threadThread2of2ForFork0InUse, 53#L692-1true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), 222#true]) [2023-11-29 00:14:51,488 INFO L294 olderBase$Statistics]: this new event has 137 ancestors and is cut-off event [2023-11-29 00:14:51,488 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event [2023-11-29 00:14:51,488 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event [2023-11-29 00:14:51,488 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event [2023-11-29 00:14:51,604 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][173], [Black: 203#true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 160#L713-1true, 180#L699-2true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 228#true]) [2023-11-29 00:14:51,604 INFO L294 olderBase$Statistics]: this new event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,604 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:51,604 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,604 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:51,605 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([468] L713-4-->L713-1: 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][173], [Black: 203#true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 160#L713-1true, 180#L699-2true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 228#true]) [2023-11-29 00:14:51,605 INFO L294 olderBase$Statistics]: this new event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,605 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:51,605 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,605 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,605 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:51,654 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([673] L699-->L699-1: Formula: (= |v_#race~threads_alive~0_13| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_13|} AuxVars[] AssignedVars[#race~threads_alive~0][246], [Black: 203#true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 70#L717-2true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 54#L699-1true, 228#true]) [2023-11-29 00:14:51,654 INFO L294 olderBase$Statistics]: this new event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,654 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,654 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,654 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,678 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([673] L699-->L699-1: Formula: (= |v_#race~threads_alive~0_13| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_13|} AuxVars[] AssignedVars[#race~threads_alive~0][246], [Black: 203#true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 54#L699-1true, 228#true, 10#L713-2true]) [2023-11-29 00:14:51,678 INFO L294 olderBase$Statistics]: this new event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,678 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:51,678 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,678 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:51,695 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][173], [Black: 203#true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 160#L713-1true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 228#true, 54#L699-1true]) [2023-11-29 00:14:51,695 INFO L294 olderBase$Statistics]: this new event has 140 ancestors and is cut-off event [2023-11-29 00:14:51,695 INFO L297 olderBase$Statistics]: existing Event has 133 ancestors and is cut-off event [2023-11-29 00:14:51,695 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2023-11-29 00:14:51,695 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2023-11-29 00:14:51,869 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][78], [Black: 203#true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 160#L713-1true, 180#L699-2true, threadThread2of2ForFork0InUse, 7#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 228#true]) [2023-11-29 00:14:51,869 INFO L294 olderBase$Statistics]: this new event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,869 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,869 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-29 00:14:51,869 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:51,920 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][78], [Black: 203#true, Black: 224#(= |#race~data~0| 0), 161#L694true, threadThread1of2ForFork0InUse, 180#L699-2true, 160#L713-1true, threadThread2of2ForFork0InUse, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 228#true]) [2023-11-29 00:14:51,920 INFO L294 olderBase$Statistics]: this new event has 143 ancestors and is cut-off event [2023-11-29 00:14:51,920 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-11-29 00:14:51,920 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2023-11-29 00:14:51,920 INFO L297 olderBase$Statistics]: existing Event has 143 ancestors and is cut-off event [2023-11-29 00:14:51,968 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([673] L699-->L699-1: Formula: (= |v_#race~threads_alive~0_13| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_13|} AuxVars[] AssignedVars[#race~threads_alive~0][211], [Black: 203#true, Black: 224#(= |#race~data~0| 0), 161#L694true, threadThread1of2ForFork0InUse, 70#L717-2true, threadThread2of2ForFork0InUse, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 228#true, 54#L699-1true]) [2023-11-29 00:14:51,969 INFO L294 olderBase$Statistics]: this new event has 143 ancestors and is cut-off event [2023-11-29 00:14:51,969 INFO L297 olderBase$Statistics]: existing Event has 143 ancestors and is cut-off event [2023-11-29 00:14:51,969 INFO L297 olderBase$Statistics]: existing Event has 143 ancestors and is cut-off event [2023-11-29 00:14:51,969 INFO L297 olderBase$Statistics]: existing Event has 143 ancestors and is cut-off event [2023-11-29 00:14:52,100 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([530] L717-4-->L717-1: 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][172], [Black: 203#true, 38#L717-1true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 54#L699-1true, 228#true]) [2023-11-29 00:14:52,100 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is cut-off event [2023-11-29 00:14:52,100 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2023-11-29 00:14:52,100 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2023-11-29 00:14:52,101 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2023-11-29 00:14:52,101 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([530] L717-4-->L717-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][172], [38#L717-1true, Black: 203#true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 180#L699-2true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 228#true]) [2023-11-29 00:14:52,101 INFO L294 olderBase$Statistics]: this new event has 148 ancestors and is cut-off event [2023-11-29 00:14:52,101 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:52,101 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:52,101 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:52,101 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([530] L717-4-->L717-1: 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][77], [38#L717-1true, Black: 203#true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 180#L699-2true, threadThread2of2ForFork0InUse, 7#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 228#true]) [2023-11-29 00:14:52,101 INFO L294 olderBase$Statistics]: this new event has 148 ancestors and is cut-off event [2023-11-29 00:14:52,101 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:52,101 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:52,102 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:52,102 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([530] L717-4-->L717-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][172], [38#L717-1true, Black: 203#true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 180#L699-2true, threadThread2of2ForFork0InUse, 50#L692-7true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 222#true, 228#true]) [2023-11-29 00:14:52,102 INFO L294 olderBase$Statistics]: this new event has 148 ancestors and is cut-off event [2023-11-29 00:14:52,102 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:52,102 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:52,102 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2023-11-29 00:14:52,102 INFO L297 olderBase$Statistics]: existing Event has 141 ancestors and is cut-off event [2023-11-29 00:14:53,263 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([684] L701-->L701-3: Formula: (and (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53| (store (select |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53|) |v_~#threads_alive_mutex~0.offset_53| 0))) (= |v_threadThread2of2ForFork0_#t~nondet11_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|, threadThread2of2ForFork0_#t~nondet11=|v_threadThread2of2ForFork0_#t~nondet11_1|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread2of2ForFork0_#t~nondet11][244], [Black: 222#true, 44#L696-6true, 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 96#L701-3true, threadThread2of2ForFork0InUse, 127#L720-1true, 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), Black: 205#(= |#race~threads_alive~0| 0)]) [2023-11-29 00:14:53,263 INFO L294 olderBase$Statistics]: this new event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,263 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,264 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,264 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,264 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([684] L701-->L701-3: Formula: (and (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53| (store (select |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53|) |v_~#threads_alive_mutex~0.offset_53| 0))) (= |v_threadThread2of2ForFork0_#t~nondet11_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|, threadThread2of2ForFork0_#t~nondet11=|v_threadThread2of2ForFork0_#t~nondet11_1|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread2of2ForFork0_#t~nondet11][229], [112#threadErr2ASSERT_VIOLATIONDATA_RACEtrue, Black: 222#true, 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 96#L701-3true, threadThread2of2ForFork0InUse, 127#L720-1true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 228#true, Black: 205#(= |#race~threads_alive~0| 0)]) [2023-11-29 00:14:53,264 INFO L294 olderBase$Statistics]: this new event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,264 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,264 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,264 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,264 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([684] L701-->L701-3: Formula: (and (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53| (store (select |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53|) |v_~#threads_alive_mutex~0.offset_53| 0))) (= |v_threadThread2of2ForFork0_#t~nondet11_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|, threadThread2of2ForFork0_#t~nondet11=|v_threadThread2of2ForFork0_#t~nondet11_1|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread2of2ForFork0_#t~nondet11][229], [Black: 222#true, 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 96#L701-3true, threadThread2of2ForFork0InUse, 127#L720-1true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 126#L696-5true, 228#true, Black: 205#(= |#race~threads_alive~0| 0)]) [2023-11-29 00:14:53,264 INFO L294 olderBase$Statistics]: this new event has 165 ancestors and is cut-off event [2023-11-29 00:14:53,264 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-11-29 00:14:53,264 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-11-29 00:14:53,264 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-11-29 00:14:53,301 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([684] L701-->L701-3: Formula: (and (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53| (store (select |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53|) |v_~#threads_alive_mutex~0.offset_53| 0))) (= |v_threadThread2of2ForFork0_#t~nondet11_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|, threadThread2of2ForFork0_#t~nondet11=|v_threadThread2of2ForFork0_#t~nondet11_1|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread2of2ForFork0_#t~nondet11][229], [Black: 222#true, 44#L696-6true, 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 96#L701-3true, threadThread2of2ForFork0InUse, 127#L720-1true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 228#true, Black: 205#(= |#race~threads_alive~0| 0)]) [2023-11-29 00:14:53,301 INFO L294 olderBase$Statistics]: this new event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,301 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,301 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,301 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,458 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([684] L701-->L701-3: Formula: (and (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53| (store (select |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53|) |v_~#threads_alive_mutex~0.offset_53| 0))) (= |v_threadThread2of2ForFork0_#t~nondet11_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|, threadThread2of2ForFork0_#t~nondet11=|v_threadThread2of2ForFork0_#t~nondet11_1|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread2of2ForFork0_#t~nondet11][229], [Black: 222#true, 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 96#L701-3true, threadThread2of2ForFork0InUse, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 127#L720-1true, 126#L696-5true, 228#true, Black: 205#(= |#race~threads_alive~0| 0)]) [2023-11-29 00:14:53,458 INFO L294 olderBase$Statistics]: this new event has 165 ancestors and is cut-off event [2023-11-29 00:14:53,458 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-11-29 00:14:53,458 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-11-29 00:14:53,458 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-11-29 00:14:53,458 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-11-29 00:14:53,460 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([684] L701-->L701-3: Formula: (and (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53| (store (select |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53|) |v_~#threads_alive_mutex~0.offset_53| 0))) (= |v_threadThread2of2ForFork0_#t~nondet11_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|, threadThread2of2ForFork0_#t~nondet11=|v_threadThread2of2ForFork0_#t~nondet11_1|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread2of2ForFork0_#t~nondet11][229], [112#threadErr2ASSERT_VIOLATIONDATA_RACEtrue, Black: 222#true, 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 96#L701-3true, threadThread2of2ForFork0InUse, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 127#L720-1true, 228#true, Black: 205#(= |#race~threads_alive~0| 0)]) [2023-11-29 00:14:53,460 INFO L294 olderBase$Statistics]: this new event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,460 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,460 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,460 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,460 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,487 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([684] L701-->L701-3: Formula: (and (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53| (store (select |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53|) |v_~#threads_alive_mutex~0.offset_53| 0))) (= |v_threadThread2of2ForFork0_#t~nondet11_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|, threadThread2of2ForFork0_#t~nondet11=|v_threadThread2of2ForFork0_#t~nondet11_1|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread2of2ForFork0_#t~nondet11][244], [Black: 222#true, 44#L696-6true, 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 96#L701-3true, threadThread2of2ForFork0InUse, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), 127#L720-1true, Black: 205#(= |#race~threads_alive~0| 0)]) [2023-11-29 00:14:53,487 INFO L294 olderBase$Statistics]: this new event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,487 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,487 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,487 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,487 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,489 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([684] L701-->L701-3: Formula: (and (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53| (store (select |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53|) |v_~#threads_alive_mutex~0.offset_53| 0))) (= |v_threadThread2of2ForFork0_#t~nondet11_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|, threadThread2of2ForFork0_#t~nondet11=|v_threadThread2of2ForFork0_#t~nondet11_1|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread2of2ForFork0_#t~nondet11][229], [Black: 222#true, 44#L696-6true, 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, 96#L701-3true, threadThread2of2ForFork0InUse, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 127#L720-1true, 228#true, Black: 205#(= |#race~threads_alive~0| 0)]) [2023-11-29 00:14:53,489 INFO L294 olderBase$Statistics]: this new event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,489 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,489 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,489 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,490 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:14:53,675 INFO L124 PetriNetUnfolderBase]: 10333/34863 cut-off events. [2023-11-29 00:14:53,675 INFO L125 PetriNetUnfolderBase]: For 5180/5834 co-relation queries the response was YES. [2023-11-29 00:14:53,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59722 conditions, 34863 events. 10333/34863 cut-off events. For 5180/5834 co-relation queries the response was YES. Maximal size of possible extension queue 870. Compared 440049 event pairs, 5488 based on Foata normal form. 39/31212 useless extension candidates. Maximal degree in co-relation 48821. Up to 10634 conditions per place. [2023-11-29 00:14:53,830 INFO L140 encePairwiseOnDemand]: 195/201 looper letters, 44 selfloop transitions, 7 changer transitions 0/248 dead transitions. [2023-11-29 00:14:53,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 248 transitions, 809 flow [2023-11-29 00:14:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:14:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:14:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-11-29 00:14:53,832 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9170812603648425 [2023-11-29 00:14:53,832 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-11-29 00:14:53,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-11-29 00:14:53,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:53,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-11-29 00:14:53,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:53,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:53,836 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:53,836 INFO L175 Difference]: Start difference. First operand has 206 places, 228 transitions, 652 flow. Second operand 3 states and 553 transitions. [2023-11-29 00:14:53,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 248 transitions, 809 flow [2023-11-29 00:14:53,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 248 transitions, 797 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:14:53,907 INFO L231 Difference]: Finished difference. Result has 208 places, 233 transitions, 700 flow [2023-11-29 00:14:53,907 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=700, PETRI_PLACES=208, PETRI_TRANSITIONS=233} [2023-11-29 00:14:53,908 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, 8 predicate places. [2023-11-29 00:14:53,908 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 233 transitions, 700 flow [2023-11-29 00:14:53,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:53,908 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:53,908 INFO L208 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] [2023-11-29 00:14:53,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 00:14:53,909 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-11-29 00:14:53,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:53,909 INFO L85 PathProgramCache]: Analyzing trace with hash -625954675, now seen corresponding path program 1 times [2023-11-29 00:14:53,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:53,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394098329] [2023-11-29 00:14:53,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:53,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 00:14:53,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:53,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394098329] [2023-11-29 00:14:53,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394098329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:53,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:53,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:14:53,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412695612] [2023-11-29 00:14:53,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:53,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:14:53,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:53,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:14:53,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:14:53,997 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 201 [2023-11-29 00:14:53,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 233 transitions, 700 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:53,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:53,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 201 [2023-11-29 00:14:53,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:56,080 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([684] L701-->L701-3: Formula: (and (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53| (store (select |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53|) |v_~#threads_alive_mutex~0.offset_53| 0))) (= |v_threadThread2of2ForFork0_#t~nondet11_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|, threadThread2of2ForFork0_#t~nondet11=|v_threadThread2of2ForFork0_#t~nondet11_1|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread2of2ForFork0_#t~nondet11][234], [Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), 96#L701-3true, threadThread2of2ForFork0InUse, 234#true, 127#L720-1true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 228#true, 197#L697-3true, Black: 205#(= |#race~threads_alive~0| 0)]) [2023-11-29 00:14:56,080 INFO L294 olderBase$Statistics]: this new event has 169 ancestors and is cut-off event [2023-11-29 00:14:56,080 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-11-29 00:14:56,080 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-11-29 00:14:56,080 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-11-29 00:14:56,110 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([684] L701-->L701-3: Formula: (and (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53| (store (select |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53|) |v_~#threads_alive_mutex~0.offset_53| 0))) (= |v_threadThread2of2ForFork0_#t~nondet11_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|, threadThread2of2ForFork0_#t~nondet11=|v_threadThread2of2ForFork0_#t~nondet11_1|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread2of2ForFork0_#t~nondet11][234], [182#L720-2true, Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), 96#L701-3true, threadThread2of2ForFork0InUse, 234#true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 228#true, 197#L697-3true, Black: 205#(= |#race~threads_alive~0| 0)]) [2023-11-29 00:14:56,110 INFO L294 olderBase$Statistics]: this new event has 170 ancestors and is cut-off event [2023-11-29 00:14:56,110 INFO L297 olderBase$Statistics]: existing Event has 170 ancestors and is cut-off event [2023-11-29 00:14:56,110 INFO L297 olderBase$Statistics]: existing Event has 170 ancestors and is cut-off event [2023-11-29 00:14:56,110 INFO L297 olderBase$Statistics]: existing Event has 170 ancestors and is cut-off event [2023-11-29 00:14:56,295 INFO L124 PetriNetUnfolderBase]: 3517/17856 cut-off events. [2023-11-29 00:14:56,295 INFO L125 PetriNetUnfolderBase]: For 2382/2947 co-relation queries the response was YES. [2023-11-29 00:14:56,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28947 conditions, 17856 events. 3517/17856 cut-off events. For 2382/2947 co-relation queries the response was YES. Maximal size of possible extension queue 528. Compared 226536 event pairs, 1001 based on Foata normal form. 635/16946 useless extension candidates. Maximal degree in co-relation 19813. Up to 2674 conditions per place. [2023-11-29 00:14:56,389 INFO L140 encePairwiseOnDemand]: 183/201 looper letters, 18 selfloop transitions, 18 changer transitions 0/242 dead transitions. [2023-11-29 00:14:56,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 242 transitions, 779 flow [2023-11-29 00:14:56,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:14:56,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:14:56,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 566 transitions. [2023-11-29 00:14:56,392 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9386401326699834 [2023-11-29 00:14:56,392 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 566 transitions. [2023-11-29 00:14:56,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 566 transitions. [2023-11-29 00:14:56,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:56,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 566 transitions. [2023-11-29 00:14:56,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:56,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:56,396 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:56,396 INFO L175 Difference]: Start difference. First operand has 208 places, 233 transitions, 700 flow. Second operand 3 states and 566 transitions. [2023-11-29 00:14:56,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 242 transitions, 779 flow [2023-11-29 00:14:56,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 242 transitions, 765 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:14:56,407 INFO L231 Difference]: Finished difference. Result has 209 places, 239 transitions, 756 flow [2023-11-29 00:14:56,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=209, PETRI_TRANSITIONS=239} [2023-11-29 00:14:56,408 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, 9 predicate places. [2023-11-29 00:14:56,409 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 239 transitions, 756 flow [2023-11-29 00:14:56,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:56,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:56,410 INFO L208 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] [2023-11-29 00:14:56,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 00:14:56,410 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-11-29 00:14:56,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:56,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1516995607, now seen corresponding path program 1 times [2023-11-29 00:14:56,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:56,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879426951] [2023-11-29 00:14:56,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:56,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 00:14:56,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:56,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879426951] [2023-11-29 00:14:56,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879426951] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:56,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:56,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:14:56,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508251666] [2023-11-29 00:14:56,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:56,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:14:56,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:56,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:14:56,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:14:56,490 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 201 [2023-11-29 00:14:56,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 239 transitions, 756 flow. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:56,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:56,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 201 [2023-11-29 00:14:56,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:14:59,222 INFO L124 PetriNetUnfolderBase]: 5477/22080 cut-off events. [2023-11-29 00:14:59,222 INFO L125 PetriNetUnfolderBase]: For 12653/13869 co-relation queries the response was YES. [2023-11-29 00:14:59,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47041 conditions, 22080 events. 5477/22080 cut-off events. For 12653/13869 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 275037 event pairs, 2298 based on Foata normal form. 94/20499 useless extension candidates. Maximal degree in co-relation 45043. Up to 8823 conditions per place. [2023-11-29 00:14:59,309 INFO L140 encePairwiseOnDemand]: 193/201 looper letters, 74 selfloop transitions, 12 changer transitions 0/261 dead transitions. [2023-11-29 00:14:59,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 261 transitions, 1029 flow [2023-11-29 00:14:59,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:14:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:14:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2023-11-29 00:14:59,311 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8922056384742952 [2023-11-29 00:14:59,311 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 538 transitions. [2023-11-29 00:14:59,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 538 transitions. [2023-11-29 00:14:59,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:14:59,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 538 transitions. [2023-11-29 00:14:59,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:59,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:59,313 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:59,313 INFO L175 Difference]: Start difference. First operand has 209 places, 239 transitions, 756 flow. Second operand 3 states and 538 transitions. [2023-11-29 00:14:59,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 261 transitions, 1029 flow [2023-11-29 00:14:59,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 261 transitions, 1000 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:14:59,325 INFO L231 Difference]: Finished difference. Result has 212 places, 249 transitions, 852 flow [2023-11-29 00:14:59,326 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=852, PETRI_PLACES=212, PETRI_TRANSITIONS=249} [2023-11-29 00:14:59,326 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, 12 predicate places. [2023-11-29 00:14:59,326 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 249 transitions, 852 flow [2023-11-29 00:14:59,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:59,327 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:14:59,327 INFO L208 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] [2023-11-29 00:14:59,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 00:14:59,327 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-11-29 00:14:59,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:14:59,328 INFO L85 PathProgramCache]: Analyzing trace with hash -681550415, now seen corresponding path program 1 times [2023-11-29 00:14:59,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:14:59,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578858074] [2023-11-29 00:14:59,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:14:59,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:14:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:14:59,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:14:59,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:14:59,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578858074] [2023-11-29 00:14:59,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578858074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:14:59,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:14:59,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:14:59,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030404213] [2023-11-29 00:14:59,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:14:59,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:14:59,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:14:59,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:14:59,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:14:59,408 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 201 [2023-11-29 00:14:59,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 249 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:14:59,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:14:59,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 201 [2023-11-29 00:14:59,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:15:01,891 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][239], [Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), 157#L699-7true, threadThread2of2ForFork0InUse, 239#true, Black: 203#true, Black: 241#(= |threadThread2of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 236#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 180#L699-2true, 160#L713-1true, 245#true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2023-11-29 00:15:01,892 INFO L294 olderBase$Statistics]: this new event has 166 ancestors and is cut-off event [2023-11-29 00:15:01,892 INFO L297 olderBase$Statistics]: existing Event has 159 ancestors and is cut-off event [2023-11-29 00:15:01,892 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:15:01,892 INFO L297 olderBase$Statistics]: existing Event has 159 ancestors and is cut-off event [2023-11-29 00:15:02,082 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][78], [Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), threadThread2of2ForFork0InUse, 239#true, Black: 203#true, 106#L701true, Black: 241#(= |threadThread2of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 236#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 180#L699-2true, 160#L713-1true, 245#true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2023-11-29 00:15:02,083 INFO L294 olderBase$Statistics]: this new event has 168 ancestors and is cut-off event [2023-11-29 00:15:02,083 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-11-29 00:15:02,083 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-11-29 00:15:02,083 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-11-29 00:15:02,153 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][78], [Black: 224#(= |#race~data~0| 0), threadThread1of2ForFork0InUse, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), threadThread2of2ForFork0InUse, 239#true, Black: 236#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 203#true, Black: 241#(= |threadThread2of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 160#L713-1true, 180#L699-2true, 245#true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 23#L701-3true]) [2023-11-29 00:15:02,153 INFO L294 olderBase$Statistics]: this new event has 169 ancestors and is cut-off event [2023-11-29 00:15:02,153 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-11-29 00:15:02,153 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2023-11-29 00:15:02,153 INFO L297 olderBase$Statistics]: existing Event has 162 ancestors and is cut-off event [2023-11-29 00:15:02,735 INFO L124 PetriNetUnfolderBase]: 7824/27402 cut-off events. [2023-11-29 00:15:02,735 INFO L125 PetriNetUnfolderBase]: For 21120/22381 co-relation queries the response was YES. [2023-11-29 00:15:02,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60775 conditions, 27402 events. 7824/27402 cut-off events. For 21120/22381 co-relation queries the response was YES. Maximal size of possible extension queue 730. Compared 338096 event pairs, 2864 based on Foata normal form. 89/25428 useless extension candidates. Maximal degree in co-relation 58213. Up to 11286 conditions per place. [2023-11-29 00:15:02,873 INFO L140 encePairwiseOnDemand]: 191/201 looper letters, 89 selfloop transitions, 18 changer transitions 0/284 dead transitions. [2023-11-29 00:15:02,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 284 transitions, 1243 flow [2023-11-29 00:15:02,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:15:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:15:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2023-11-29 00:15:02,876 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.900497512437811 [2023-11-29 00:15:02,876 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 543 transitions. [2023-11-29 00:15:02,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 543 transitions. [2023-11-29 00:15:02,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:15:02,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 543 transitions. [2023-11-29 00:15:02,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:02,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:02,879 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:02,879 INFO L175 Difference]: Start difference. First operand has 212 places, 249 transitions, 852 flow. Second operand 3 states and 543 transitions. [2023-11-29 00:15:02,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 284 transitions, 1243 flow [2023-11-29 00:15:02,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 284 transitions, 1207 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-11-29 00:15:02,898 INFO L231 Difference]: Finished difference. Result has 214 places, 263 transitions, 1010 flow [2023-11-29 00:15:02,898 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1010, PETRI_PLACES=214, PETRI_TRANSITIONS=263} [2023-11-29 00:15:02,899 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, 14 predicate places. [2023-11-29 00:15:02,899 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 263 transitions, 1010 flow [2023-11-29 00:15:02,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:02,899 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:15:02,899 INFO L208 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] [2023-11-29 00:15:02,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 00:15:02,900 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-11-29 00:15:02,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:15:02,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1249082512, now seen corresponding path program 1 times [2023-11-29 00:15:02,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:15:02,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602531388] [2023-11-29 00:15:02,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:15:02,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:15:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:02,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 00:15:02,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:15:02,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602531388] [2023-11-29 00:15:02,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602531388] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:15:02,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:15:02,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:15:02,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963367829] [2023-11-29 00:15:02,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:15:02,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:15:02,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:15:02,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:15:02,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:15:02,968 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 201 [2023-11-29 00:15:02,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 263 transitions, 1010 flow. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:02,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:15:02,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 201 [2023-11-29 00:15:02,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:15:06,210 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][237], [Black: 224#(= |#race~data~0| 0), 251#true, threadThread1of2ForFork0InUse, 157#L699-7true, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), threadThread2of2ForFork0InUse, Black: 203#true, Black: 241#(= |threadThread2of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 236#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 180#L699-2true, 160#L713-1true, Black: 247#(= |threadThread1of2ForFork0_#t~nondet10| |#race~threads_alive~0|), 245#true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2023-11-29 00:15:06,211 INFO L294 olderBase$Statistics]: this new event has 166 ancestors and is cut-off event [2023-11-29 00:15:06,211 INFO L297 olderBase$Statistics]: existing Event has 166 ancestors and is cut-off event [2023-11-29 00:15:06,211 INFO L297 olderBase$Statistics]: existing Event has 159 ancestors and is cut-off event [2023-11-29 00:15:06,211 INFO L297 olderBase$Statistics]: existing Event has 159 ancestors and is cut-off event [2023-11-29 00:15:06,299 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([673] L699-->L699-1: Formula: (= |v_#race~threads_alive~0_13| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_13|} AuxVars[] AssignedVars[#race~threads_alive~0][186], [Black: 224#(= |#race~data~0| 0), 251#true, threadThread1of2ForFork0InUse, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), threadThread2of2ForFork0InUse, 54#L699-1true, Black: 203#true, Black: 241#(= |threadThread2of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 15#L699-2true, 236#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 247#(= |threadThread1of2ForFork0_#t~nondet10| |#race~threads_alive~0|), 245#true, 127#L720-1true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2023-11-29 00:15:06,299 INFO L294 olderBase$Statistics]: this new event has 165 ancestors and is cut-off event [2023-11-29 00:15:06,299 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-11-29 00:15:06,299 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-11-29 00:15:06,300 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2023-11-29 00:15:06,347 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: 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][78], [Black: 224#(= |#race~data~0| 0), 251#true, threadThread1of2ForFork0InUse, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), threadThread2of2ForFork0InUse, 54#L699-1true, Black: 203#true, 106#L701true, Black: 241#(= |threadThread2of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 236#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 160#L713-1true, Black: 247#(= |threadThread1of2ForFork0_#t~nondet10| |#race~threads_alive~0|), 245#true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2023-11-29 00:15:06,347 INFO L294 olderBase$Statistics]: this new event has 167 ancestors and is cut-off event [2023-11-29 00:15:06,347 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2023-11-29 00:15:06,347 INFO L297 olderBase$Statistics]: existing Event has 167 ancestors and is cut-off event [2023-11-29 00:15:06,347 INFO L297 olderBase$Statistics]: existing Event has 160 ancestors and is cut-off event [2023-11-29 00:15:06,348 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([468] L713-4-->L713-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][78], [Black: 224#(= |#race~data~0| 0), 251#true, threadThread1of2ForFork0InUse, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), threadThread2of2ForFork0InUse, Black: 203#true, 106#L701true, Black: 241#(= |threadThread2of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 236#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 180#L699-2true, 160#L713-1true, Black: 247#(= |threadThread1of2ForFork0_#t~nondet10| |#race~threads_alive~0|), 245#true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2023-11-29 00:15:06,348 INFO L294 olderBase$Statistics]: this new event has 168 ancestors and is cut-off event [2023-11-29 00:15:06,348 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-11-29 00:15:06,348 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-11-29 00:15:06,348 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-11-29 00:15:06,415 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([468] L713-4-->L713-1: 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][78], [Black: 224#(= |#race~data~0| 0), 251#true, threadThread1of2ForFork0InUse, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), threadThread2of2ForFork0InUse, Black: 203#true, 106#L701true, Black: 241#(= |threadThread2of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 236#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), 180#L699-2true, 160#L713-1true, Black: 247#(= |threadThread1of2ForFork0_#t~nondet10| |#race~threads_alive~0|), 245#true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2023-11-29 00:15:06,415 INFO L294 olderBase$Statistics]: this new event has 168 ancestors and is cut-off event [2023-11-29 00:15:06,415 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-11-29 00:15:06,416 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-11-29 00:15:06,416 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2023-11-29 00:15:06,416 INFO L297 olderBase$Statistics]: existing Event has 161 ancestors and is cut-off event [2023-11-29 00:15:06,550 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([638] L701-->L701-3: Formula: (and (= |v_threadThread1of2ForFork0_#t~nondet11_1| 0) (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53| (store (select |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53|) |v_~#threads_alive_mutex~0.offset_53| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|, threadThread1of2ForFork0_#t~nondet11=|v_threadThread1of2ForFork0_#t~nondet11_1|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread1of2ForFork0_#t~nondet11][213], [Black: 224#(= |#race~data~0| 0), 251#true, threadThread1of2ForFork0InUse, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), threadThread2of2ForFork0InUse, Black: 236#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 205#(= |#race~threads_alive~0| 0), Black: 241#(= |threadThread2of2ForFork0_#t~nondet2| |#race~threads_alive~0|), Black: 247#(= |threadThread1of2ForFork0_#t~nondet10| |#race~threads_alive~0|), 93#L697-3true, 245#true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 127#L720-1true, 23#L701-3true]) [2023-11-29 00:15:06,551 INFO L294 olderBase$Statistics]: this new event has 169 ancestors and is cut-off event [2023-11-29 00:15:06,551 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-11-29 00:15:06,551 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-11-29 00:15:06,551 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2023-11-29 00:15:06,756 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([673] L699-->L699-1: Formula: (= |v_#race~threads_alive~0_13| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_13|} AuxVars[] AssignedVars[#race~threads_alive~0][267], [Black: 224#(= |#race~data~0| 0), 251#true, threadThread1of2ForFork0InUse, 157#L699-7true, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), threadThread2of2ForFork0InUse, 54#L699-1true, Black: 203#true, Black: 241#(= |threadThread2of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 236#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 247#(= |threadThread1of2ForFork0_#t~nondet10| |#race~threads_alive~0|), 245#true, 127#L720-1true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2023-11-29 00:15:06,756 INFO L294 olderBase$Statistics]: this new event has 170 ancestors and is not cut-off event [2023-11-29 00:15:06,756 INFO L297 olderBase$Statistics]: existing Event has 170 ancestors and is not cut-off event [2023-11-29 00:15:06,756 INFO L297 olderBase$Statistics]: existing Event has 170 ancestors and is not cut-off event [2023-11-29 00:15:06,756 INFO L297 olderBase$Statistics]: existing Event has 170 ancestors and is not cut-off event [2023-11-29 00:15:06,787 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([638] L701-->L701-3: Formula: (and (= |v_threadThread1of2ForFork0_#t~nondet11_1| 0) (= |v_#pthreadsMutex_97| (store |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53| (store (select |v_#pthreadsMutex_98| |v_~#threads_alive_mutex~0.base_53|) |v_~#threads_alive_mutex~0.offset_53| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_98|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_97|, ~#threads_alive_mutex~0.offset=|v_~#threads_alive_mutex~0.offset_53|, ~#threads_alive_mutex~0.base=|v_~#threads_alive_mutex~0.base_53|, threadThread1of2ForFork0_#t~nondet11=|v_threadThread1of2ForFork0_#t~nondet11_1|} AuxVars[] AssignedVars[#pthreadsMutex, threadThread1of2ForFork0_#t~nondet11][153], [Black: 224#(= |#race~data~0| 0), 251#true, threadThread1of2ForFork0InUse, 14#L698-3true, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), threadThread2of2ForFork0InUse, Black: 236#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 205#(= |#race~threads_alive~0| 0), Black: 241#(= |threadThread2of2ForFork0_#t~nondet2| |#race~threads_alive~0|), Black: 247#(= |threadThread1of2ForFork0_#t~nondet10| |#race~threads_alive~0|), 245#true, 127#L720-1true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 23#L701-3true]) [2023-11-29 00:15:06,787 INFO L294 olderBase$Statistics]: this new event has 171 ancestors and is not cut-off event [2023-11-29 00:15:06,787 INFO L297 olderBase$Statistics]: existing Event has 171 ancestors and is not cut-off event [2023-11-29 00:15:06,787 INFO L297 olderBase$Statistics]: existing Event has 171 ancestors and is not cut-off event [2023-11-29 00:15:06,787 INFO L297 olderBase$Statistics]: existing Event has 171 ancestors and is not cut-off event [2023-11-29 00:15:06,819 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([673] L699-->L699-1: Formula: (= |v_#race~threads_alive~0_13| 0) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_13|} AuxVars[] AssignedVars[#race~threads_alive~0][180], [Black: 224#(= |#race~data~0| 0), 251#true, threadThread1of2ForFork0InUse, Black: 230#(= |threadThread1of2ForFork0_#t~nondet6| |#race~data~0|), threadThread2of2ForFork0InUse, 54#L699-1true, Black: 203#true, 106#L701true, Black: 241#(= |threadThread2of2ForFork0_#t~nondet2| |#race~threads_alive~0|), 236#(= (select (select |#pthreadsMutex| |~#threads_alive_mutex~0.base|) |~#threads_alive_mutex~0.offset|) 1), Black: 247#(= |threadThread1of2ForFork0_#t~nondet10| |#race~threads_alive~0|), 245#true, 127#L720-1true, Black: 218#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|)]) [2023-11-29 00:15:06,819 INFO L294 olderBase$Statistics]: this new event has 172 ancestors and is not cut-off event [2023-11-29 00:15:06,819 INFO L297 olderBase$Statistics]: existing Event has 172 ancestors and is not cut-off event [2023-11-29 00:15:06,819 INFO L297 olderBase$Statistics]: existing Event has 172 ancestors and is not cut-off event [2023-11-29 00:15:06,819 INFO L297 olderBase$Statistics]: existing Event has 172 ancestors and is not cut-off event [2023-11-29 00:15:06,960 INFO L124 PetriNetUnfolderBase]: 8284/31078 cut-off events. [2023-11-29 00:15:06,960 INFO L125 PetriNetUnfolderBase]: For 23907/26821 co-relation queries the response was YES. [2023-11-29 00:15:07,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68950 conditions, 31078 events. 8284/31078 cut-off events. For 23907/26821 co-relation queries the response was YES. Maximal size of possible extension queue 882. Compared 404351 event pairs, 2850 based on Foata normal form. 50/28706 useless extension candidates. Maximal degree in co-relation 66552. Up to 8890 conditions per place. [2023-11-29 00:15:07,107 INFO L140 encePairwiseOnDemand]: 195/201 looper letters, 60 selfloop transitions, 10 changer transitions 0/289 dead transitions. [2023-11-29 00:15:07,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 289 transitions, 1256 flow [2023-11-29 00:15:07,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:15:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:15:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 552 transitions. [2023-11-29 00:15:07,109 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9154228855721394 [2023-11-29 00:15:07,109 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 552 transitions. [2023-11-29 00:15:07,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 552 transitions. [2023-11-29 00:15:07,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:15:07,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 552 transitions. [2023-11-29 00:15:07,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:07,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:07,113 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:07,113 INFO L175 Difference]: Start difference. First operand has 214 places, 263 transitions, 1010 flow. Second operand 3 states and 552 transitions. [2023-11-29 00:15:07,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 289 transitions, 1256 flow [2023-11-29 00:15:07,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 289 transitions, 1196 flow, removed 12 selfloop flow, removed 2 redundant places. [2023-11-29 00:15:07,190 INFO L231 Difference]: Finished difference. Result has 216 places, 269 transitions, 1032 flow [2023-11-29 00:15:07,190 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1032, PETRI_PLACES=216, PETRI_TRANSITIONS=269} [2023-11-29 00:15:07,191 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, 16 predicate places. [2023-11-29 00:15:07,191 INFO L495 AbstractCegarLoop]: Abstraction has has 216 places, 269 transitions, 1032 flow [2023-11-29 00:15:07,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:07,191 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:15:07,192 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:15:07,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 00:15:07,192 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2023-11-29 00:15:07,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:15:07,192 INFO L85 PathProgramCache]: Analyzing trace with hash -929405869, now seen corresponding path program 1 times [2023-11-29 00:15:07,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:15:07,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473439582] [2023-11-29 00:15:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:15:07,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:15:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:15:07,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:15:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:15:07,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:15:07,244 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:15:07,244 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 20 remaining) [2023-11-29 00:15:07,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 20 remaining) [2023-11-29 00:15:07,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 20 remaining) [2023-11-29 00:15:07,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 20 remaining) [2023-11-29 00:15:07,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 20 remaining) [2023-11-29 00:15:07,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (14 of 20 remaining) [2023-11-29 00:15:07,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (13 of 20 remaining) [2023-11-29 00:15:07,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (12 of 20 remaining) [2023-11-29 00:15:07,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (11 of 20 remaining) [2023-11-29 00:15:07,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (10 of 20 remaining) [2023-11-29 00:15:07,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (9 of 20 remaining) [2023-11-29 00:15:07,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (8 of 20 remaining) [2023-11-29 00:15:07,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (7 of 20 remaining) [2023-11-29 00:15:07,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (6 of 20 remaining) [2023-11-29 00:15:07,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (5 of 20 remaining) [2023-11-29 00:15:07,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 20 remaining) [2023-11-29 00:15:07,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 20 remaining) [2023-11-29 00:15:07,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 20 remaining) [2023-11-29 00:15:07,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (1 of 20 remaining) [2023-11-29 00:15:07,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (0 of 20 remaining) [2023-11-29 00:15:07,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 00:15:07,248 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:15:07,248 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-29 00:15:07,249 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-29 00:15:07,280 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 00:15:07,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 249 places, 248 transitions, 514 flow [2023-11-29 00:15:07,338 INFO L124 PetriNetUnfolderBase]: 21/413 cut-off events. [2023-11-29 00:15:07,338 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 00:15:07,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 413 events. 21/413 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1060 event pairs, 0 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 309. Up to 8 conditions per place. [2023-11-29 00:15:07,339 INFO L82 GeneralOperation]: Start removeDead. Operand has 249 places, 248 transitions, 514 flow [2023-11-29 00:15:07,344 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 249 places, 248 transitions, 514 flow [2023-11-29 00:15:07,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:15:07,346 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@5082f393, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:15:07,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-11-29 00:15:07,349 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 00:15:07,349 INFO L124 PetriNetUnfolderBase]: 2/58 cut-off events. [2023-11-29 00:15:07,349 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:15:07,349 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:15:07,349 INFO L208 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] [2023-11-29 00:15:07,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:15:07,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:15:07,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1464810546, now seen corresponding path program 1 times [2023-11-29 00:15:07,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:15:07,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029676543] [2023-11-29 00:15:07,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:15:07,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:15:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:15:07,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:15:07,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029676543] [2023-11-29 00:15:07,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029676543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:15:07,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:15:07,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:15:07,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500117364] [2023-11-29 00:15:07,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:15:07,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:15:07,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:15:07,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:15:07,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:15:07,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 248 [2023-11-29 00:15:07,418 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 248 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:15:07,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:15:07,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 248 [2023-11-29 00:15:07,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:16:09,249 INFO L124 PetriNetUnfolderBase]: 232221/493796 cut-off events. [2023-11-29 00:16:09,250 INFO L125 PetriNetUnfolderBase]: For 1618/1618 co-relation queries the response was YES. [2023-11-29 00:16:10,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 816720 conditions, 493796 events. 232221/493796 cut-off events. For 1618/1618 co-relation queries the response was YES. Maximal size of possible extension queue 9793. Compared 6818292 event pairs, 82974 based on Foata normal form. 4756/442191 useless extension candidates. Maximal degree in co-relation 633366. Up to 180969 conditions per place. [2023-11-29 00:16:12,675 INFO L140 encePairwiseOnDemand]: 214/248 looper letters, 87 selfloop transitions, 22 changer transitions 1/294 dead transitions. [2023-11-29 00:16:12,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 294 transitions, 836 flow [2023-11-29 00:16:12,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:16:12,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:16:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 679 transitions. [2023-11-29 00:16:12,678 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9126344086021505 [2023-11-29 00:16:12,678 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 679 transitions. [2023-11-29 00:16:12,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 679 transitions. [2023-11-29 00:16:12,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:16:12,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 679 transitions. [2023-11-29 00:16:12,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:12,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:12,683 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:12,683 INFO L175 Difference]: Start difference. First operand has 249 places, 248 transitions, 514 flow. Second operand 3 states and 679 transitions. [2023-11-29 00:16:12,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 294 transitions, 836 flow [2023-11-29 00:16:12,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 294 transitions, 832 flow, removed 2 selfloop flow, removed 0 redundant places. [2023-11-29 00:16:12,690 INFO L231 Difference]: Finished difference. Result has 253 places, 265 transitions, 694 flow [2023-11-29 00:16:12,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=248, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=253, PETRI_TRANSITIONS=265} [2023-11-29 00:16:12,691 INFO L281 CegarLoopForPetriNet]: 249 programPoint places, 4 predicate places. [2023-11-29 00:16:12,691 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 265 transitions, 694 flow [2023-11-29 00:16:12,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:12,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:16:12,692 INFO L208 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] [2023-11-29 00:16:12,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 00:16:12,692 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-29 00:16:12,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:16:12,692 INFO L85 PathProgramCache]: Analyzing trace with hash 223300243, now seen corresponding path program 1 times [2023-11-29 00:16:12,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:16:12,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088049293] [2023-11-29 00:16:12,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:16:12,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:16:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:16:12,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:16:12,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:16:12,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088049293] [2023-11-29 00:16:12,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088049293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:16:12,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:16:12,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:16:12,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749625249] [2023-11-29 00:16:12,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:16:12,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:16:12,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:16:12,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:16:12,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:16:12,993 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 248 [2023-11-29 00:16:12,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 265 transitions, 694 flow. Second operand has 6 states, 6 states have (on average 205.33333333333334) internal successors, (1232), 6 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:16:12,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:16:12,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 248 [2023-11-29 00:16:12,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:16:46,615 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([716] L713-4-->L713-1: 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][52], [Black: 252#true, 224#L694-3true, threadThread1of3ForFork0InUse, threadThread2of3ForFork0InUse, threadThread3of3ForFork0InUse, 46#L692-6true, 58#L699-6true, 254#(= |#race~threads_alive~0| 0), 197#L713-1true, 258#true]) [2023-11-29 00:16:46,615 INFO L294 olderBase$Statistics]: this new event has 180 ancestors and is cut-off event [2023-11-29 00:16:46,615 INFO L297 olderBase$Statistics]: existing Event has 180 ancestors and is cut-off event [2023-11-29 00:16:46,615 INFO L297 olderBase$Statistics]: existing Event has 180 ancestors and is cut-off event [2023-11-29 00:16:46,616 INFO L297 olderBase$Statistics]: existing Event has 173 ancestors and is cut-off event