./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.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_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/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_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/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_8f0df172-55b5-4bf5-bbd6-1738111b41c2/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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:10:01,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:10:01,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:10:01,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:10:01,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:10:01,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:10:01,465 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:10:01,465 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:10:01,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:10:01,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:10:01,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:10:01,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:10:01,470 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:10:01,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:10:01,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:10:01,471 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:10:01,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:10:01,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:10:01,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:10:01,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:10:01,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:10:01,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:10:01,477 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:10:01,478 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:10:01,482 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:10:01,482 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:10:01,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:10:01,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:10:01,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:10:01,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:10:01,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:10:01,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:01,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:10:01,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:10:01,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:10:01,485 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:10:01,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:10:01,485 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:10:01,486 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:10:01,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:10:01,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:10:01,488 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_8f0df172-55b5-4bf5-bbd6-1738111b41c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2024-10-31 22:10:01,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:10:01,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:10:01,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:10:01,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:10:01,863 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:10:01,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i Unable to find full path for "g++" [2024-10-31 22:10:03,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:10:04,262 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:10:04,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-10-31 22:10:04,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/data/cc08e6ab9/c09a2707b28b464ca0f80b098b80ee6c/FLAGc4001c6e7 [2024-10-31 22:10:04,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/data/cc08e6ab9/c09a2707b28b464ca0f80b098b80ee6c [2024-10-31 22:10:04,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:10:04,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:10:04,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:04,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:10:04,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:10:04,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:04" (1/1) ... [2024-10-31 22:10:04,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24dae6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:04, skipping insertion in model container [2024-10-31 22:10:04,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:04" (1/1) ... [2024-10-31 22:10:04,402 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:10:05,147 WARN L1657 CHandler]: Possible shadowing of function new [2024-10-31 22:10:05,149 WARN L1657 CHandler]: Possible shadowing of function new [2024-10-31 22:10:05,152 WARN L1657 CHandler]: Possible shadowing of function new [2024-10-31 22:10:05,154 WARN L1657 CHandler]: Possible shadowing of function new [2024-10-31 22:10:05,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:10:05,256 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:10:05,306 WARN L1657 CHandler]: Possible shadowing of function new [2024-10-31 22:10:05,307 WARN L1657 CHandler]: Possible shadowing of function new [2024-10-31 22:10:05,309 WARN L1657 CHandler]: Possible shadowing of function new [2024-10-31 22:10:05,310 WARN L1657 CHandler]: Possible shadowing of function new [2024-10-31 22:10:05,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:10:05,404 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:10:05,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05 WrapperNode [2024-10-31 22:10:05,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:05,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:10:05,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:10:05,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:10:05,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05" (1/1) ... [2024-10-31 22:10:05,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05" (1/1) ... [2024-10-31 22:10:05,491 INFO L138 Inliner]: procedures = 279, calls = 120, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 383 [2024-10-31 22:10:05,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:10:05,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:10:05,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:10:05,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:10:05,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05" (1/1) ... [2024-10-31 22:10:05,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05" (1/1) ... [2024-10-31 22:10:05,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05" (1/1) ... [2024-10-31 22:10:05,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05" (1/1) ... [2024-10-31 22:10:05,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05" (1/1) ... [2024-10-31 22:10:05,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05" (1/1) ... [2024-10-31 22:10:05,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05" (1/1) ... [2024-10-31 22:10:05,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05" (1/1) ... [2024-10-31 22:10:05,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:10:05,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:10:05,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:10:05,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:10:05,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05" (1/1) ... [2024-10-31 22:10:05,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:05,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:10:05,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:10:05,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:10:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:10:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-31 22:10:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:10:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-10-31 22:10:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:10:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:10:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:10:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:10:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:10:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:10:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 22:10:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-31 22:10:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-31 22:10:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:10:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:10:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:10:05,712 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 22:10:05,884 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:10:05,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:10:06,831 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:10:06,831 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:10:06,889 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:10:06,890 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-31 22:10:06,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:06 BoogieIcfgContainer [2024-10-31 22:10:06,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:10:06,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:10:06,893 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:10:06,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:10:06,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:10:04" (1/3) ... [2024-10-31 22:10:06,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa0a4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:06, skipping insertion in model container [2024-10-31 22:10:06,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:05" (2/3) ... [2024-10-31 22:10:06,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa0a4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:06, skipping insertion in model container [2024-10-31 22:10:06,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:06" (3/3) ... [2024-10-31 22:10:06,901 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2024-10-31 22:10:06,921 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:10:06,922 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-10-31 22:10:06,922 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:10:07,050 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-31 22:10:07,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 386 places, 408 transitions, 823 flow [2024-10-31 22:10:07,367 INFO L124 PetriNetUnfolderBase]: 27/440 cut-off events. [2024-10-31 22:10:07,370 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:10:07,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 440 events. 27/440 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 954 event pairs, 0 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 255. Up to 4 conditions per place. [2024-10-31 22:10:07,382 INFO L82 GeneralOperation]: Start removeDead. Operand has 386 places, 408 transitions, 823 flow [2024-10-31 22:10:07,394 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 386 places, 408 transitions, 823 flow [2024-10-31 22:10:07,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:10:07,418 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;@c036c27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:10:07,418 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-10-31 22:10:07,454 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:10:07,454 INFO L124 PetriNetUnfolderBase]: 3/120 cut-off events. [2024-10-31 22:10:07,454 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:10:07,454 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:07,455 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:07,456 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:10:07,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:07,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2111164425, now seen corresponding path program 1 times [2024-10-31 22:10:07,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:07,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394551629] [2024-10-31 22:10:07,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:07,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:09,081 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 22:10:09,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:09,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394551629] [2024-10-31 22:10:09,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394551629] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:09,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:09,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:09,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044556028] [2024-10-31 22:10:09,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:09,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:09,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:09,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:09,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:09,999 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 408 [2024-10-31 22:10:10,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 408 transitions, 823 flow. Second operand has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 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 22:10:10,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:10,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 408 [2024-10-31 22:10:10,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:10,472 INFO L124 PetriNetUnfolderBase]: 319/1602 cut-off events. [2024-10-31 22:10:10,472 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-10-31 22:10:10,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2292 conditions, 1602 events. 319/1602 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10089 event pairs, 288 based on Foata normal form. 182/1654 useless extension candidates. Maximal degree in co-relation 1972. Up to 674 conditions per place. [2024-10-31 22:10:10,485 INFO L140 encePairwiseOnDemand]: 377/408 looper letters, 80 selfloop transitions, 10 changer transitions 0/385 dead transitions. [2024-10-31 22:10:10,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 385 transitions, 957 flow [2024-10-31 22:10:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:10,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:10:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1887 transitions. [2024-10-31 22:10:10,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7708333333333334 [2024-10-31 22:10:10,511 INFO L175 Difference]: Start difference. First operand has 386 places, 408 transitions, 823 flow. Second operand 6 states and 1887 transitions. [2024-10-31 22:10:10,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 385 transitions, 957 flow [2024-10-31 22:10:10,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 385 transitions, 957 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:10:10,529 INFO L231 Difference]: Finished difference. Result has 387 places, 385 transitions, 797 flow [2024-10-31 22:10:10,534 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=387, PETRI_TRANSITIONS=385} [2024-10-31 22:10:10,538 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-10-31 22:10:10,540 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 385 transitions, 797 flow [2024-10-31 22:10:10,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 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 22:10:10,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:10,543 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:10,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:10:10,543 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:10:10,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:10,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1989397352, now seen corresponding path program 1 times [2024-10-31 22:10:10,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:10,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909006840] [2024-10-31 22:10:10,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:10,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:10,678 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 22:10:10,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:10,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909006840] [2024-10-31 22:10:10,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909006840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:10,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:10,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:10:10,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951304747] [2024-10-31 22:10:10,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:10,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:10:10,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:10,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:10:10,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:10:10,714 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 408 [2024-10-31 22:10:10,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 385 transitions, 797 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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 22:10:10,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:10,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 408 [2024-10-31 22:10:10,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:10,890 INFO L124 PetriNetUnfolderBase]: 15/565 cut-off events. [2024-10-31 22:10:10,890 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-31 22:10:10,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 565 events. 15/565 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1665 event pairs, 8 based on Foata normal form. 1/522 useless extension candidates. Maximal degree in co-relation 402. Up to 34 conditions per place. [2024-10-31 22:10:10,897 INFO L140 encePairwiseOnDemand]: 405/408 looper letters, 15 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-10-31 22:10:10,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 386 transitions, 833 flow [2024-10-31 22:10:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:10:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:10:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-10-31 22:10:10,905 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9264705882352942 [2024-10-31 22:10:10,905 INFO L175 Difference]: Start difference. First operand has 387 places, 385 transitions, 797 flow. Second operand 3 states and 1134 transitions. [2024-10-31 22:10:10,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 386 transitions, 833 flow [2024-10-31 22:10:10,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 386 transitions, 813 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:10:10,925 INFO L231 Difference]: Finished difference. Result has 385 places, 386 transitions, 789 flow [2024-10-31 22:10:10,926 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=385, PETRI_TRANSITIONS=386} [2024-10-31 22:10:10,932 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -1 predicate places. [2024-10-31 22:10:10,933 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 386 transitions, 789 flow [2024-10-31 22:10:10,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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 22:10:10,934 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:10,934 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:10,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:10:10,935 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:10:10,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:10,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1587066118, now seen corresponding path program 1 times [2024-10-31 22:10:10,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:10,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807472126] [2024-10-31 22:10:10,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:10,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:11,841 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 22:10:11,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:11,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807472126] [2024-10-31 22:10:11,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807472126] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:11,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:11,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:11,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431450423] [2024-10-31 22:10:11,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:11,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:11,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:11,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:11,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:12,736 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 408 [2024-10-31 22:10:12,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 386 transitions, 789 flow. Second operand has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 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 22:10:12,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:12,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 408 [2024-10-31 22:10:12,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:13,463 INFO L124 PetriNetUnfolderBase]: 320/1724 cut-off events. [2024-10-31 22:10:13,463 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-10-31 22:10:13,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2465 conditions, 1724 events. 320/1724 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10820 event pairs, 288 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 2201. Up to 708 conditions per place. [2024-10-31 22:10:13,471 INFO L140 encePairwiseOnDemand]: 396/408 looper letters, 80 selfloop transitions, 10 changer transitions 0/384 dead transitions. [2024-10-31 22:10:13,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 384 transitions, 965 flow [2024-10-31 22:10:13,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:13,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:10:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1868 transitions. [2024-10-31 22:10:13,477 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7630718954248366 [2024-10-31 22:10:13,477 INFO L175 Difference]: Start difference. First operand has 385 places, 386 transitions, 789 flow. Second operand 6 states and 1868 transitions. [2024-10-31 22:10:13,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 384 transitions, 965 flow [2024-10-31 22:10:13,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 384 transitions, 963 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:10:13,486 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 803 flow [2024-10-31 22:10:13,487 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=803, PETRI_PLACES=387, PETRI_TRANSITIONS=384} [2024-10-31 22:10:13,488 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-10-31 22:10:13,488 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 803 flow [2024-10-31 22:10:13,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.3333333333333) internal successors, (1784), 6 states have internal predecessors, (1784), 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 22:10:13,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:13,490 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:13,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:10:13,491 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:10:13,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:13,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1252746799, now seen corresponding path program 1 times [2024-10-31 22:10:13,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:13,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992672847] [2024-10-31 22:10:13,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:13,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:14,374 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 22:10:14,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:14,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992672847] [2024-10-31 22:10:14,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992672847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:14,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:14,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:14,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774971830] [2024-10-31 22:10:14,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:14,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:14,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:14,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:14,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:14,888 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 408 [2024-10-31 22:10:14,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 384 transitions, 803 flow. Second operand has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 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 22:10:14,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:14,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 408 [2024-10-31 22:10:14,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:15,426 INFO L124 PetriNetUnfolderBase]: 320/1722 cut-off events. [2024-10-31 22:10:15,426 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-10-31 22:10:15,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2486 conditions, 1722 events. 320/1722 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10837 event pairs, 288 based on Foata normal form. 0/1590 useless extension candidates. Maximal degree in co-relation 2101. Up to 722 conditions per place. [2024-10-31 22:10:15,435 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 87 selfloop transitions, 5 changer transitions 0/383 dead transitions. [2024-10-31 22:10:15,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 383 transitions, 985 flow [2024-10-31 22:10:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:10:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1863 transitions. [2024-10-31 22:10:15,441 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7610294117647058 [2024-10-31 22:10:15,441 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 803 flow. Second operand 6 states and 1863 transitions. [2024-10-31 22:10:15,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 383 transitions, 985 flow [2024-10-31 22:10:15,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 383 transitions, 965 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:10:15,449 INFO L231 Difference]: Finished difference. Result has 386 places, 383 transitions, 791 flow [2024-10-31 22:10:15,450 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=386, PETRI_TRANSITIONS=383} [2024-10-31 22:10:15,451 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 0 predicate places. [2024-10-31 22:10:15,451 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 383 transitions, 791 flow [2024-10-31 22:10:15,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.6666666666667) internal successors, (1786), 6 states have internal predecessors, (1786), 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 22:10:15,452 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:15,453 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:15,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:10:15,453 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:10:15,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:15,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1507353856, now seen corresponding path program 1 times [2024-10-31 22:10:15,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:15,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307725322] [2024-10-31 22:10:15,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:15,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:15,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:15,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:15,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307725322] [2024-10-31 22:10:15,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307725322] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:15,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:15,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:10:15,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767589919] [2024-10-31 22:10:15,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:15,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:10:15,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:15,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:10:15,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:10:15,618 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 408 [2024-10-31 22:10:15,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 383 transitions, 791 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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 22:10:15,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:15,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 408 [2024-10-31 22:10:15,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:15,773 INFO L124 PetriNetUnfolderBase]: 15/747 cut-off events. [2024-10-31 22:10:15,773 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-31 22:10:15,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 818 conditions, 747 events. 15/747 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1629 event pairs, 8 based on Foata normal form. 2/703 useless extension candidates. Maximal degree in co-relation 593. Up to 38 conditions per place. [2024-10-31 22:10:15,777 INFO L140 encePairwiseOnDemand]: 405/408 looper letters, 15 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-10-31 22:10:15,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 384 transitions, 827 flow [2024-10-31 22:10:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:10:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:10:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-10-31 22:10:15,781 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9264705882352942 [2024-10-31 22:10:15,781 INFO L175 Difference]: Start difference. First operand has 386 places, 383 transitions, 791 flow. Second operand 3 states and 1134 transitions. [2024-10-31 22:10:15,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 384 transitions, 827 flow [2024-10-31 22:10:15,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 384 transitions, 817 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:10:15,792 INFO L231 Difference]: Finished difference. Result has 384 places, 384 transitions, 793 flow [2024-10-31 22:10:15,795 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=384, PETRI_TRANSITIONS=384} [2024-10-31 22:10:15,796 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-10-31 22:10:15,797 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 384 transitions, 793 flow [2024-10-31 22:10:15,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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 22:10:15,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:15,800 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:15,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:10:15,801 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:10:15,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:15,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1474208170, now seen corresponding path program 1 times [2024-10-31 22:10:15,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:15,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612968299] [2024-10-31 22:10:15,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:15,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:16,833 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 22:10:16,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:16,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612968299] [2024-10-31 22:10:16,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612968299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:16,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:16,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:16,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762772096] [2024-10-31 22:10:16,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:16,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:16,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:16,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:16,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:17,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 408 [2024-10-31 22:10:17,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 384 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 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 22:10:17,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:17,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 408 [2024-10-31 22:10:17,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:17,865 INFO L124 PetriNetUnfolderBase]: 83/1061 cut-off events. [2024-10-31 22:10:17,865 INFO L125 PetriNetUnfolderBase]: For 10/14 co-relation queries the response was YES. [2024-10-31 22:10:17,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1414 conditions, 1061 events. 83/1061 cut-off events. For 10/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3662 event pairs, 64 based on Foata normal form. 0/978 useless extension candidates. Maximal degree in co-relation 882. Up to 311 conditions per place. [2024-10-31 22:10:17,872 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 62 selfloop transitions, 5 changer transitions 0/383 dead transitions. [2024-10-31 22:10:17,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 383 transitions, 925 flow [2024-10-31 22:10:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:10:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1988 transitions. [2024-10-31 22:10:17,878 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8120915032679739 [2024-10-31 22:10:17,878 INFO L175 Difference]: Start difference. First operand has 384 places, 384 transitions, 793 flow. Second operand 6 states and 1988 transitions. [2024-10-31 22:10:17,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 383 transitions, 925 flow [2024-10-31 22:10:17,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 383 transitions, 923 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:10:17,889 INFO L231 Difference]: Finished difference. Result has 387 places, 383 transitions, 799 flow [2024-10-31 22:10:17,890 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=799, PETRI_PLACES=387, PETRI_TRANSITIONS=383} [2024-10-31 22:10:17,891 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-10-31 22:10:17,892 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 383 transitions, 799 flow [2024-10-31 22:10:17,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 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 22:10:17,894 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:17,895 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:17,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:10:17,895 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:10:17,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:17,896 INFO L85 PathProgramCache]: Analyzing trace with hash 935654986, now seen corresponding path program 1 times [2024-10-31 22:10:17,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:17,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577298420] [2024-10-31 22:10:17,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:17,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,004 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 22:10:19,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:19,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577298420] [2024-10-31 22:10:19,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577298420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:19,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:19,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:19,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121204641] [2024-10-31 22:10:19,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:19,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:19,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:19,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:19,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:19,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 408 [2024-10-31 22:10:19,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 383 transitions, 799 flow. Second operand has 6 states, 6 states have (on average 300.3333333333333) internal successors, (1802), 6 states have internal predecessors, (1802), 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 22:10:19,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:19,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 408 [2024-10-31 22:10:19,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:20,223 INFO L124 PetriNetUnfolderBase]: 320/1902 cut-off events. [2024-10-31 22:10:20,224 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-10-31 22:10:20,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2751 conditions, 1902 events. 320/1902 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10742 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2245. Up to 788 conditions per place. [2024-10-31 22:10:20,235 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 87 selfloop transitions, 5 changer transitions 0/382 dead transitions. [2024-10-31 22:10:20,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 382 transitions, 981 flow [2024-10-31 22:10:20,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:10:20,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1863 transitions. [2024-10-31 22:10:20,242 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7610294117647058 [2024-10-31 22:10:20,242 INFO L175 Difference]: Start difference. First operand has 387 places, 383 transitions, 799 flow. Second operand 6 states and 1863 transitions. [2024-10-31 22:10:20,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 382 transitions, 981 flow [2024-10-31 22:10:20,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 382 transitions, 971 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:10:20,254 INFO L231 Difference]: Finished difference. Result has 386 places, 382 transitions, 797 flow [2024-10-31 22:10:20,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=386, PETRI_TRANSITIONS=382} [2024-10-31 22:10:20,256 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 0 predicate places. [2024-10-31 22:10:20,256 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 382 transitions, 797 flow [2024-10-31 22:10:20,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.3333333333333) internal successors, (1802), 6 states have internal predecessors, (1802), 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 22:10:20,259 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:20,259 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:20,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:10:20,260 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:10:20,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:20,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1837573129, now seen corresponding path program 1 times [2024-10-31 22:10:20,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:20,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970505380] [2024-10-31 22:10:20,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:20,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:21,216 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 22:10:21,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:21,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970505380] [2024-10-31 22:10:21,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970505380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:21,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:21,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:21,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627007192] [2024-10-31 22:10:21,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:21,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:21,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:21,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:21,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:22,351 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 408 [2024-10-31 22:10:22,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 382 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 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 22:10:22,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:22,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 408 [2024-10-31 22:10:22,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:22,844 INFO L124 PetriNetUnfolderBase]: 320/1898 cut-off events. [2024-10-31 22:10:22,845 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-10-31 22:10:22,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2731 conditions, 1898 events. 320/1898 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10747 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2261. Up to 772 conditions per place. [2024-10-31 22:10:22,857 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 83 selfloop transitions, 5 changer transitions 0/381 dead transitions. [2024-10-31 22:10:22,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 381 transitions, 971 flow [2024-10-31 22:10:22,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:10:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-10-31 22:10:22,863 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7691993464052288 [2024-10-31 22:10:22,864 INFO L175 Difference]: Start difference. First operand has 386 places, 382 transitions, 797 flow. Second operand 6 states and 1883 transitions. [2024-10-31 22:10:22,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 381 transitions, 971 flow [2024-10-31 22:10:22,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 381 transitions, 961 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:10:22,874 INFO L231 Difference]: Finished difference. Result has 385 places, 381 transitions, 795 flow [2024-10-31 22:10:22,875 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=795, PETRI_PLACES=385, PETRI_TRANSITIONS=381} [2024-10-31 22:10:22,875 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -1 predicate places. [2024-10-31 22:10:22,876 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 381 transitions, 795 flow [2024-10-31 22:10:22,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 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 22:10:22,878 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:22,878 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:22,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:10:22,879 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:10:22,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:22,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1457234093, now seen corresponding path program 1 times [2024-10-31 22:10:22,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:22,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652574381] [2024-10-31 22:10:22,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:22,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:23,737 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 22:10:23,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:23,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652574381] [2024-10-31 22:10:23,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652574381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:23,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:23,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:23,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985259330] [2024-10-31 22:10:23,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:23,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:23,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:23,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:23,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:24,288 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 408 [2024-10-31 22:10:24,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 381 transitions, 795 flow. Second operand has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 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 22:10:24,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:24,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 408 [2024-10-31 22:10:24,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:24,745 INFO L124 PetriNetUnfolderBase]: 320/1894 cut-off events. [2024-10-31 22:10:24,746 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-10-31 22:10:24,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2727 conditions, 1894 events. 320/1894 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10706 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2276. Up to 772 conditions per place. [2024-10-31 22:10:24,757 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 83 selfloop transitions, 5 changer transitions 0/380 dead transitions. [2024-10-31 22:10:24,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 380 transitions, 969 flow [2024-10-31 22:10:24,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:24,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:10:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-10-31 22:10:24,764 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7691993464052288 [2024-10-31 22:10:24,764 INFO L175 Difference]: Start difference. First operand has 385 places, 381 transitions, 795 flow. Second operand 6 states and 1883 transitions. [2024-10-31 22:10:24,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 380 transitions, 969 flow [2024-10-31 22:10:24,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 380 transitions, 959 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:10:24,773 INFO L231 Difference]: Finished difference. Result has 384 places, 380 transitions, 793 flow [2024-10-31 22:10:24,774 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=793, PETRI_PLACES=384, PETRI_TRANSITIONS=380} [2024-10-31 22:10:24,775 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-10-31 22:10:24,776 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 380 transitions, 793 flow [2024-10-31 22:10:24,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 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 22:10:24,778 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:24,778 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:24,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:10:24,779 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:10:24,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:24,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1516935485, now seen corresponding path program 1 times [2024-10-31 22:10:24,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:24,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285189401] [2024-10-31 22:10:24,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:24,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:25,761 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 22:10:25,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:25,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285189401] [2024-10-31 22:10:25,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285189401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:25,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:25,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:25,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094686903] [2024-10-31 22:10:25,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:25,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:25,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:25,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:25,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:26,366 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 408 [2024-10-31 22:10:26,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 380 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 301.5) internal successors, (1809), 6 states have internal predecessors, (1809), 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 22:10:26,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:26,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 408 [2024-10-31 22:10:26,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:27,055 INFO L124 PetriNetUnfolderBase]: 320/1890 cut-off events. [2024-10-31 22:10:27,056 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-10-31 22:10:27,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2743 conditions, 1890 events. 320/1890 cut-off events. For 19/27 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 10719 event pairs, 288 based on Foata normal form. 0/1770 useless extension candidates. Maximal degree in co-relation 2289. Up to 792 conditions per place. [2024-10-31 22:10:27,065 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 88 selfloop transitions, 5 changer transitions 0/379 dead transitions. [2024-10-31 22:10:27,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 379 transitions, 977 flow [2024-10-31 22:10:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:10:27,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1858 transitions. [2024-10-31 22:10:27,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7589869281045751 [2024-10-31 22:10:27,071 INFO L175 Difference]: Start difference. First operand has 384 places, 380 transitions, 793 flow. Second operand 6 states and 1858 transitions. [2024-10-31 22:10:27,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 379 transitions, 977 flow [2024-10-31 22:10:27,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 379 transitions, 967 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:10:27,079 INFO L231 Difference]: Finished difference. Result has 383 places, 379 transitions, 791 flow [2024-10-31 22:10:27,080 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=383, PETRI_TRANSITIONS=379} [2024-10-31 22:10:27,081 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -3 predicate places. [2024-10-31 22:10:27,081 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 379 transitions, 791 flow [2024-10-31 22:10:27,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.5) internal successors, (1809), 6 states have internal predecessors, (1809), 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 22:10:27,083 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:27,083 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:27,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:10:27,084 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:10:27,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:27,085 INFO L85 PathProgramCache]: Analyzing trace with hash 689314316, now seen corresponding path program 1 times [2024-10-31 22:10:27,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:27,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386830258] [2024-10-31 22:10:27,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:27,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:27,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:27,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:27,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386830258] [2024-10-31 22:10:27,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386830258] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:10:27,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947298065] [2024-10-31 22:10:27,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:27,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:10:27,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:10:27,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:10:27,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:10:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:27,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:10:27,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:10:27,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:27,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:10:28,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:28,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947298065] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:10:28,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:10:28,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-31 22:10:28,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553905674] [2024-10-31 22:10:28,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:10:28,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:10:28,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:28,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:10:28,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:10:28,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 408 [2024-10-31 22:10:28,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 379 transitions, 791 flow. Second operand has 10 states, 10 states have (on average 370.8) internal successors, (3708), 10 states have internal predecessors, (3708), 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 22:10:28,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:10:28,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 408 [2024-10-31 22:10:28,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:10:28,622 INFO L124 PetriNetUnfolderBase]: 15/911 cut-off events. [2024-10-31 22:10:28,623 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-10-31 22:10:28,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1025 conditions, 911 events. 15/911 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1033 event pairs, 8 based on Foata normal form. 4/889 useless extension candidates. Maximal degree in co-relation 799. Up to 38 conditions per place. [2024-10-31 22:10:28,627 INFO L140 encePairwiseOnDemand]: 402/408 looper letters, 19 selfloop transitions, 9 changer transitions 0/387 dead transitions. [2024-10-31 22:10:28,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 387 transitions, 865 flow [2024-10-31 22:10:28,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:10:28,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-31 22:10:28,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3351 transitions. [2024-10-31 22:10:28,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9125816993464052 [2024-10-31 22:10:28,635 INFO L175 Difference]: Start difference. First operand has 383 places, 379 transitions, 791 flow. Second operand 9 states and 3351 transitions. [2024-10-31 22:10:28,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 387 transitions, 865 flow [2024-10-31 22:10:28,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 387 transitions, 855 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:10:28,643 INFO L231 Difference]: Finished difference. Result has 389 places, 385 transitions, 831 flow [2024-10-31 22:10:28,644 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=408, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=831, PETRI_PLACES=389, PETRI_TRANSITIONS=385} [2024-10-31 22:10:28,645 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 3 predicate places. [2024-10-31 22:10:28,645 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 385 transitions, 831 flow [2024-10-31 22:10:28,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 370.8) internal successors, (3708), 10 states have internal predecessors, (3708), 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 22:10:28,648 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:10:28,648 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:28,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:10:28,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-31 22:10:28,849 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-31 22:10:28,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:28,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1039848228, now seen corresponding path program 2 times [2024-10-31 22:10:28,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:28,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340101036] [2024-10-31 22:10:28,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:28,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:29,508 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-10-31 22:10:29,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:29,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340101036] [2024-10-31 22:10:29,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340101036] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:10:29,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324988445] [2024-10-31 22:10:29,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:10:29,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:10:29,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:10:29,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:10:29,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0df172-55b5-4bf5-bbd6-1738111b41c2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process