./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a 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_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 75716fdd637a22328d600b3257cf24f40a7920b464397c315485c5ed90fb6ece --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:55,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:55,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:09:55,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:55,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:55,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:55,700 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:55,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:55,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:09:55,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:09:55,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:55,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:55,705 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:55,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:55,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:09:55,709 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:09:55,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:09:55,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:09:55,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:55,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:09:55,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:09:55,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:09:55,715 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:09:55,715 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:55,715 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:09:55,715 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:09:55,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:55,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:55,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:55,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:55,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:09:55,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:55,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:55,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:09:55,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:09:55,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:09:55,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:09:55,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:09:55,720 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:09:55,720 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:09:55,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:09:55,721 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_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75716fdd637a22328d600b3257cf24f40a7920b464397c315485c5ed90fb6ece [2024-10-31 22:09:56,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:56,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:56,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:56,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:56,069 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:56,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i Unable to find full path for "g++" [2024-10-31 22:09:58,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:09:58,636 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:09:58,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2024-10-31 22:09:58,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/data/552261eea/61d399835b9748eab33e2a4eacc3caa8/FLAG04e8f2acc [2024-10-31 22:09:58,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/data/552261eea/61d399835b9748eab33e2a4eacc3caa8 [2024-10-31 22:09:58,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:09:58,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:09:58,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:58,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:09:58,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:09:58,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:58" (1/1) ... [2024-10-31 22:09:58,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc9c9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:58, skipping insertion in model container [2024-10-31 22:09:58,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:58" (1/1) ... [2024-10-31 22:09:58,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:09:59,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:59,670 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:09:59,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:59,870 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:09:59,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59 WrapperNode [2024-10-31 22:09:59,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:59,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:59,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:09:59,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:09:59,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59" (1/1) ... [2024-10-31 22:09:59,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59" (1/1) ... [2024-10-31 22:09:59,976 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 219 [2024-10-31 22:09:59,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:59,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:09:59,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:09:59,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:09:59,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59" (1/1) ... [2024-10-31 22:09:59,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59" (1/1) ... [2024-10-31 22:10:00,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59" (1/1) ... [2024-10-31 22:10:00,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59" (1/1) ... [2024-10-31 22:10:00,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59" (1/1) ... [2024-10-31 22:10:00,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59" (1/1) ... [2024-10-31 22:10:00,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59" (1/1) ... [2024-10-31 22:10:00,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59" (1/1) ... [2024-10-31 22:10:00,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:10:00,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:10:00,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:10:00,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:10:00,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59" (1/1) ... [2024-10-31 22:10:00,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:00,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:10:00,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:10:00,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7bbe739-d69b-44bf-8fff-8687d458f4a1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:10:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-31 22:10:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-31 22:10:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:10:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:10:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:10:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:10:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:10:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:10:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:10:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 22:10:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:10:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:10:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:10:00,183 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:10:00,657 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:10:00,660 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:10:01,248 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:10:01,248 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:10:01,302 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:10:01,303 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:10:01,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:01 BoogieIcfgContainer [2024-10-31 22:10:01,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:10:01,310 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:10:01,310 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:10:01,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:10:01,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:09:58" (1/3) ... [2024-10-31 22:10:01,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369dcfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:01, skipping insertion in model container [2024-10-31 22:10:01,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:59" (2/3) ... [2024-10-31 22:10:01,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369dcfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:01, skipping insertion in model container [2024-10-31 22:10:01,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:01" (3/3) ... [2024-10-31 22:10:01,320 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2024-10-31 22:10:01,343 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:10:01,343 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-10-31 22:10:01,344 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:10:01,457 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:10:01,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 345 places, 353 transitions, 720 flow [2024-10-31 22:10:01,756 INFO L124 PetriNetUnfolderBase]: 18/437 cut-off events. [2024-10-31 22:10:01,756 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:10:01,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 437 events. 18/437 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 907 event pairs, 0 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 249. Up to 4 conditions per place. [2024-10-31 22:10:01,770 INFO L82 GeneralOperation]: Start removeDead. Operand has 345 places, 353 transitions, 720 flow [2024-10-31 22:10:01,782 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 343 places, 350 transitions, 712 flow [2024-10-31 22:10:01,798 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:10:01,805 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5b8c2814, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:10:01,805 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-10-31 22:10:01,813 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:10:01,814 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-10-31 22:10:01,814 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:10:01,814 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:01,815 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:01,816 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-31 22:10:01,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:01,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2035201866, now seen corresponding path program 1 times [2024-10-31 22:10:01,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:01,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210999513] [2024-10-31 22:10:01,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:01,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:02,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:02,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210999513] [2024-10-31 22:10:02,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210999513] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:02,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:02,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:02,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558771322] [2024-10-31 22:10:02,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:02,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:02,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:02,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:02,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:03,643 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 353 [2024-10-31 22:10:03,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 350 transitions, 712 flow. Second operand has 6 states, 6 states have (on average 264.3333333333333) internal successors, (1586), 6 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:03,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:03,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 353 [2024-10-31 22:10:03,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:08,208 INFO L124 PetriNetUnfolderBase]: 7365/18988 cut-off events. [2024-10-31 22:10:08,209 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-10-31 22:10:08,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30524 conditions, 18988 events. 7365/18988 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 502. Compared 192302 event pairs, 7364 based on Foata normal form. 730/18198 useless extension candidates. Maximal degree in co-relation 30146. Up to 11480 conditions per place. [2024-10-31 22:10:08,379 INFO L140 encePairwiseOnDemand]: 335/353 looper letters, 66 selfloop transitions, 5 changer transitions 12/319 dead transitions. [2024-10-31 22:10:08,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 319 transitions, 792 flow [2024-10-31 22:10:08,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:10:08,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1662 transitions. [2024-10-31 22:10:08,416 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7847025495750708 [2024-10-31 22:10:08,418 INFO L175 Difference]: Start difference. First operand has 343 places, 350 transitions, 712 flow. Second operand 6 states and 1662 transitions. [2024-10-31 22:10:08,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 319 transitions, 792 flow [2024-10-31 22:10:08,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 319 transitions, 784 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:10:08,445 INFO L231 Difference]: Finished difference. Result has 325 places, 307 transitions, 628 flow [2024-10-31 22:10:08,451 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=628, PETRI_PLACES=325, PETRI_TRANSITIONS=307} [2024-10-31 22:10:08,459 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -18 predicate places. [2024-10-31 22:10:08,459 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 307 transitions, 628 flow [2024-10-31 22:10:08,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.3333333333333) internal successors, (1586), 6 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:08,461 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:08,461 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:08,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:10:08,462 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-31 22:10:08,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:08,463 INFO L85 PathProgramCache]: Analyzing trace with hash -358637179, now seen corresponding path program 1 times [2024-10-31 22:10:08,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:08,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717069478] [2024-10-31 22:10:08,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:08,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:09,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:09,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717069478] [2024-10-31 22:10:09,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717069478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:09,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:09,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:09,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258896423] [2024-10-31 22:10:09,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:09,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:09,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:09,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:09,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:09,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 353 [2024-10-31 22:10:09,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 307 transitions, 628 flow. Second operand has 6 states, 6 states have (on average 264.3333333333333) internal successors, (1586), 6 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:09,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:09,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 353 [2024-10-31 22:10:09,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:13,819 INFO L124 PetriNetUnfolderBase]: 7365/18975 cut-off events. [2024-10-31 22:10:13,819 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-31 22:10:13,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30483 conditions, 18975 events. 7365/18975 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 502. Compared 192359 event pairs, 7364 based on Foata normal form. 0/17460 useless extension candidates. Maximal degree in co-relation 30440. Up to 11480 conditions per place. [2024-10-31 22:10:13,924 INFO L140 encePairwiseOnDemand]: 347/353 looper letters, 66 selfloop transitions, 5 changer transitions 0/306 dead transitions. [2024-10-31 22:10:13,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 306 transitions, 768 flow [2024-10-31 22:10:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:13,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:10:13,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1650 transitions. [2024-10-31 22:10:13,929 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7790368271954674 [2024-10-31 22:10:13,929 INFO L175 Difference]: Start difference. First operand has 325 places, 307 transitions, 628 flow. Second operand 6 states and 1650 transitions. [2024-10-31 22:10:13,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 306 transitions, 768 flow [2024-10-31 22:10:13,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 306 transitions, 758 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:10:13,938 INFO L231 Difference]: Finished difference. Result has 312 places, 306 transitions, 626 flow [2024-10-31 22:10:13,939 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=626, PETRI_PLACES=312, PETRI_TRANSITIONS=306} [2024-10-31 22:10:13,939 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -31 predicate places. [2024-10-31 22:10:13,940 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 306 transitions, 626 flow [2024-10-31 22:10:13,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.3333333333333) internal successors, (1586), 6 states have internal predecessors, (1586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:13,941 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:13,942 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:13,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:10:13,942 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-31 22:10:13,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:13,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1989499240, now seen corresponding path program 1 times [2024-10-31 22:10:13,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:13,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504089965] [2024-10-31 22:10:13,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:13,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:14,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:14,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:14,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504089965] [2024-10-31 22:10:14,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504089965] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:14,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:14,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:14,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562778207] [2024-10-31 22:10:14,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:14,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:14,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:14,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:14,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:15,431 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 353 [2024-10-31 22:10:15,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 306 transitions, 626 flow. Second operand has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:15,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:15,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 353 [2024-10-31 22:10:15,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:16,482 INFO L124 PetriNetUnfolderBase]: 2101/6243 cut-off events. [2024-10-31 22:10:16,482 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-31 22:10:16,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9617 conditions, 6243 events. 2101/6243 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 55777 event pairs, 1748 based on Foata normal form. 0/5704 useless extension candidates. Maximal degree in co-relation 9561. Up to 3342 conditions per place. [2024-10-31 22:10:16,651 INFO L140 encePairwiseOnDemand]: 345/353 looper letters, 44 selfloop transitions, 7 changer transitions 0/311 dead transitions. [2024-10-31 22:10:16,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 311 transitions, 739 flow [2024-10-31 22:10:16,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:10:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1786 transitions. [2024-10-31 22:10:16,656 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8432483474976393 [2024-10-31 22:10:16,656 INFO L175 Difference]: Start difference. First operand has 312 places, 306 transitions, 626 flow. Second operand 6 states and 1786 transitions. [2024-10-31 22:10:16,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 311 transitions, 739 flow [2024-10-31 22:10:16,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 311 transitions, 729 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:10:16,665 INFO L231 Difference]: Finished difference. Result has 312 places, 308 transitions, 644 flow [2024-10-31 22:10:16,666 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=644, PETRI_PLACES=312, PETRI_TRANSITIONS=308} [2024-10-31 22:10:16,668 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -31 predicate places. [2024-10-31 22:10:16,669 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 308 transitions, 644 flow [2024-10-31 22:10:16,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:16,671 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:16,671 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:16,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:10:16,672 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-31 22:10:16,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:16,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1044381682, now seen corresponding path program 1 times [2024-10-31 22:10:16,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:16,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254675637] [2024-10-31 22:10:16,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:16,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:17,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:17,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254675637] [2024-10-31 22:10:17,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254675637] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:17,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:17,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:17,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249282605] [2024-10-31 22:10:17,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:17,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:17,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:17,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:17,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:18,099 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 353 [2024-10-31 22:10:18,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 308 transitions, 644 flow. Second operand has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:18,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:18,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 353 [2024-10-31 22:10:18,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:19,149 INFO L124 PetriNetUnfolderBase]: 2101/6242 cut-off events. [2024-10-31 22:10:19,149 INFO L125 PetriNetUnfolderBase]: For 323/323 co-relation queries the response was YES. [2024-10-31 22:10:19,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9970 conditions, 6242 events. 2101/6242 cut-off events. For 323/323 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 55784 event pairs, 1748 based on Foata normal form. 0/5704 useless extension candidates. Maximal degree in co-relation 6968. Up to 3342 conditions per place. [2024-10-31 22:10:19,187 INFO L140 encePairwiseOnDemand]: 345/353 looper letters, 44 selfloop transitions, 7 changer transitions 0/310 dead transitions. [2024-10-31 22:10:19,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 310 transitions, 751 flow [2024-10-31 22:10:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:19,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:10:19,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1786 transitions. [2024-10-31 22:10:19,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8432483474976393 [2024-10-31 22:10:19,192 INFO L175 Difference]: Start difference. First operand has 312 places, 308 transitions, 644 flow. Second operand 6 states and 1786 transitions. [2024-10-31 22:10:19,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 310 transitions, 751 flow [2024-10-31 22:10:19,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 741 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:10:19,200 INFO L231 Difference]: Finished difference. Result has 312 places, 307 transitions, 646 flow [2024-10-31 22:10:19,201 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=646, PETRI_PLACES=312, PETRI_TRANSITIONS=307} [2024-10-31 22:10:19,203 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -31 predicate places. [2024-10-31 22:10:19,203 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 307 transitions, 646 flow [2024-10-31 22:10:19,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:19,205 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:19,206 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:19,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:10:19,209 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-31 22:10:19,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:19,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1545422717, now seen corresponding path program 1 times [2024-10-31 22:10:19,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:19,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778221803] [2024-10-31 22:10:19,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:19,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:19,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:19,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778221803] [2024-10-31 22:10:19,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778221803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:19,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:19,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:10:19,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101648270] [2024-10-31 22:10:19,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:19,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:10:19,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:19,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:10:19,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:10:19,354 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 353 [2024-10-31 22:10:19,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 307 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:19,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:19,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 353 [2024-10-31 22:10:19,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:19,572 INFO L124 PetriNetUnfolderBase]: 55/1086 cut-off events. [2024-10-31 22:10:19,573 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2024-10-31 22:10:19,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1259 conditions, 1086 events. 55/1086 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5841 event pairs, 36 based on Foata normal form. 0/972 useless extension candidates. Maximal degree in co-relation 438. Up to 100 conditions per place. [2024-10-31 22:10:19,583 INFO L140 encePairwiseOnDemand]: 350/353 looper letters, 15 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2024-10-31 22:10:19,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 306 transitions, 678 flow [2024-10-31 22:10:19,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:10:19,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:10:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-10-31 22:10:19,588 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9169027384324835 [2024-10-31 22:10:19,588 INFO L175 Difference]: Start difference. First operand has 312 places, 307 transitions, 646 flow. Second operand 3 states and 971 transitions. [2024-10-31 22:10:19,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 306 transitions, 678 flow [2024-10-31 22:10:19,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 306 transitions, 664 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:10:19,595 INFO L231 Difference]: Finished difference. Result has 308 places, 306 transitions, 634 flow [2024-10-31 22:10:19,596 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=308, PETRI_TRANSITIONS=306} [2024-10-31 22:10:19,599 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -35 predicate places. [2024-10-31 22:10:19,600 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 306 transitions, 634 flow [2024-10-31 22:10:19,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:19,602 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:19,602 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:19,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:10:19,602 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-31 22:10:19,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:19,603 INFO L85 PathProgramCache]: Analyzing trace with hash -367277483, now seen corresponding path program 1 times [2024-10-31 22:10:19,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:19,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695869475] [2024-10-31 22:10:19,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:19,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:19,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:19,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695869475] [2024-10-31 22:10:19,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695869475] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:19,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:19,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:10:19,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516680069] [2024-10-31 22:10:19,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:19,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:10:19,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:19,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:10:19,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:10:19,762 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 353 [2024-10-31 22:10:19,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 306 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:19,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:19,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 353 [2024-10-31 22:10:19,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:20,102 INFO L124 PetriNetUnfolderBase]: 46/1044 cut-off events. [2024-10-31 22:10:20,103 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-10-31 22:10:20,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1176 conditions, 1044 events. 46/1044 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5730 event pairs, 17 based on Foata normal form. 0/938 useless extension candidates. Maximal degree in co-relation 1010. Up to 88 conditions per place. [2024-10-31 22:10:20,112 INFO L140 encePairwiseOnDemand]: 350/353 looper letters, 16 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2024-10-31 22:10:20,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 307 transitions, 672 flow [2024-10-31 22:10:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:10:20,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:10:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-10-31 22:10:20,117 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9206798866855525 [2024-10-31 22:10:20,117 INFO L175 Difference]: Start difference. First operand has 308 places, 306 transitions, 634 flow. Second operand 3 states and 975 transitions. [2024-10-31 22:10:20,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 307 transitions, 672 flow [2024-10-31 22:10:20,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 307 transitions, 668 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:10:20,125 INFO L231 Difference]: Finished difference. Result has 307 places, 305 transitions, 632 flow [2024-10-31 22:10:20,126 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=307, PETRI_TRANSITIONS=305} [2024-10-31 22:10:20,127 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -36 predicate places. [2024-10-31 22:10:20,127 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 305 transitions, 632 flow [2024-10-31 22:10:20,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:20,129 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:20,129 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:20,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:10:20,130 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-31 22:10:20,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:20,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1450542516, now seen corresponding path program 1 times [2024-10-31 22:10:20,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:20,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806875091] [2024-10-31 22:10:20,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:20,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:20,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:20,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806875091] [2024-10-31 22:10:20,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806875091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:20,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:20,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:10:20,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143398140] [2024-10-31 22:10:20,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:20,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:10:20,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:20,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:10:20,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:10:20,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 353 [2024-10-31 22:10:20,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 305 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:20,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:20,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 353 [2024-10-31 22:10:20,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:20,497 INFO L124 PetriNetUnfolderBase]: 46/756 cut-off events. [2024-10-31 22:10:20,497 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:10:20,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 870 conditions, 756 events. 46/756 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3167 event pairs, 12 based on Foata normal form. 0/682 useless extension candidates. Maximal degree in co-relation 694. Up to 55 conditions per place. [2024-10-31 22:10:20,503 INFO L140 encePairwiseOnDemand]: 351/353 looper letters, 14 selfloop transitions, 1 changer transitions 0/308 dead transitions. [2024-10-31 22:10:20,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 308 transitions, 668 flow [2024-10-31 22:10:20,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:10:20,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:10:20,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 985 transitions. [2024-10-31 22:10:20,508 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9301227573182247 [2024-10-31 22:10:20,508 INFO L175 Difference]: Start difference. First operand has 307 places, 305 transitions, 632 flow. Second operand 3 states and 985 transitions. [2024-10-31 22:10:20,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 308 transitions, 668 flow [2024-10-31 22:10:20,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 308 transitions, 664 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:10:20,517 INFO L231 Difference]: Finished difference. Result has 306 places, 304 transitions, 628 flow [2024-10-31 22:10:20,518 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=306, PETRI_TRANSITIONS=304} [2024-10-31 22:10:20,519 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -37 predicate places. [2024-10-31 22:10:20,519 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 304 transitions, 628 flow [2024-10-31 22:10:20,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:20,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:20,521 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:20,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:10:20,521 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-31 22:10:20,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:20,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1582061559, now seen corresponding path program 1 times [2024-10-31 22:10:20,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:20,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418352790] [2024-10-31 22:10:20,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:20,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:20,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:20,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418352790] [2024-10-31 22:10:20,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418352790] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:20,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:20,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:10:20,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433534133] [2024-10-31 22:10:20,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:20,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:10:20,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:20,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:10:20,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:10:20,666 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 353 [2024-10-31 22:10:20,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 304 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:20,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:20,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 353 [2024-10-31 22:10:20,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:20,933 INFO L124 PetriNetUnfolderBase]: 42/1009 cut-off events. [2024-10-31 22:10:20,934 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:10:20,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1131 conditions, 1009 events. 42/1009 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5072 event pairs, 24 based on Foata normal form. 0/919 useless extension candidates. Maximal degree in co-relation 960. Up to 76 conditions per place. [2024-10-31 22:10:20,941 INFO L140 encePairwiseOnDemand]: 349/353 looper letters, 14 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2024-10-31 22:10:20,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 305 transitions, 663 flow [2024-10-31 22:10:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:10:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:10:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2024-10-31 22:10:20,944 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9235127478753541 [2024-10-31 22:10:20,945 INFO L175 Difference]: Start difference. First operand has 306 places, 304 transitions, 628 flow. Second operand 3 states and 978 transitions. [2024-10-31 22:10:20,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 305 transitions, 663 flow [2024-10-31 22:10:20,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 305 transitions, 662 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:10:20,952 INFO L231 Difference]: Finished difference. Result has 306 places, 304 transitions, 637 flow [2024-10-31 22:10:20,953 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=623, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=637, PETRI_PLACES=306, PETRI_TRANSITIONS=304} [2024-10-31 22:10:20,954 INFO L277 CegarLoopForPetriNet]: 343 programPoint places, -37 predicate places. [2024-10-31 22:10:20,954 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 304 transitions, 637 flow [2024-10-31 22:10:20,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:20,955 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:20,955 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:20,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:10:20,956 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-31 22:10:20,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:20,956 INFO L85 PathProgramCache]: Analyzing trace with hash -50868006, now seen corresponding path program 1 times [2024-10-31 22:10:20,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:20,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149221585] [2024-10-31 22:10:20,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:20,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:21,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:21,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149221585] [2024-10-31 22:10:21,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149221585] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:21,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:21,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:21,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794016721] [2024-10-31 22:10:21,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:21,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:21,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:21,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:21,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:22,291 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 353 [2024-10-31 22:10:22,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 304 transitions, 637 flow. Second operand has 6 states, 6 states have (on average 268.0) internal successors, (1608), 6 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:10:22,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:22,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 353 [2024-10-31 22:10:22,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand