./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 0d10bf8c0e842192a13f4b6638f03cf57668d5bee07d0b49c4b595de1c605066 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:48:53,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:48:53,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:48:53,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:48:53,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:48:53,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:48:53,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:48:53,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:48:53,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:48:53,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:48:53,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:48:53,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:48:53,363 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:48:53,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:48:53,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:48:53,365 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:48:53,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:48:53,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:48:53,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:48:53,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:48:53,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:48:53,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:48:53,368 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:48:53,369 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:48:53,369 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:48:53,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:48:53,370 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:48:53,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:48:53,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:48:53,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:48:53,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:48:53,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:48:53,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:48:53,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:48:53,373 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:48:53,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:48:53,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:48:53,375 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:48:53,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:48:53,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:48:53,376 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:48:53,376 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_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d10bf8c0e842192a13f4b6638f03cf57668d5bee07d0b49c4b595de1c605066 [2023-11-06 22:48:53,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:48:53,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:48:53,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:48:53,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:48:53,760 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:48:53,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2023-11-06 22:48:56,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:48:57,220 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:48:57,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2023-11-06 22:48:57,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/data/0e6c5c4d9/edab42fb420f426f8c10b20b9fb999fa/FLAGbde13a414 [2023-11-06 22:48:57,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/data/0e6c5c4d9/edab42fb420f426f8c10b20b9fb999fa [2023-11-06 22:48:57,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:48:57,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:48:57,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:48:57,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:48:57,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:48:57,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635e9c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57, skipping insertion in model container [2023-11-06 22:48:57,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,289 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:48:57,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:48:57,561 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:48:57,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:48:57,611 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:48:57,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57 WrapperNode [2023-11-06 22:48:57,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:48:57,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:48:57,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:48:57,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:48:57,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,660 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-06 22:48:57,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:48:57,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:48:57,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:48:57,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:48:57,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:48:57,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:48:57,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:48:57,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:48:57,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57" (1/1) ... [2023-11-06 22:48:57,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:48:57,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:57,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:57,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:48:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:48:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:48:57,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:48:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:48:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:48:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 22:48:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 22:48:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:48:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:48:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:48:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:48:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:48:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:48:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:48:57,809 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:48:57,983 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:48:57,986 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:48:58,394 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:48:58,406 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:48:58,406 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:48:58,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:58 BoogieIcfgContainer [2023-11-06 22:48:58,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:48:58,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:48:58,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:48:58,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:48:58,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:48:57" (1/3) ... [2023-11-06 22:48:58,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19715bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:48:58, skipping insertion in model container [2023-11-06 22:48:58,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:57" (2/3) ... [2023-11-06 22:48:58,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19715bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:48:58, skipping insertion in model container [2023-11-06 22:48:58,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:58" (3/3) ... [2023-11-06 22:48:58,420 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2023-11-06 22:48:58,431 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:48:58,443 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:48:58,443 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-06 22:48:58,443 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:48:58,552 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 22:48:58,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 201 places, 198 transitions, 417 flow [2023-11-06 22:48:58,701 INFO L124 PetriNetUnfolderBase]: 7/195 cut-off events. [2023-11-06 22:48:58,701 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:48:58,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 195 events. 7/195 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 271 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 110. Up to 2 conditions per place. [2023-11-06 22:48:58,723 INFO L82 GeneralOperation]: Start removeDead. Operand has 201 places, 198 transitions, 417 flow [2023-11-06 22:48:58,732 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 176 places, 172 transitions, 362 flow [2023-11-06 22:48:58,739 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:48:58,762 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 172 transitions, 362 flow [2023-11-06 22:48:58,772 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 172 transitions, 362 flow [2023-11-06 22:48:58,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 176 places, 172 transitions, 362 flow [2023-11-06 22:48:58,881 INFO L124 PetriNetUnfolderBase]: 6/172 cut-off events. [2023-11-06 22:48:58,881 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:48:58,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 172 events. 6/172 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 270 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 110. Up to 2 conditions per place. [2023-11-06 22:48:58,896 INFO L119 LiptonReduction]: Number of co-enabled transitions 7812 [2023-11-06 22:49:03,252 INFO L134 LiptonReduction]: Checked pairs total: 20133 [2023-11-06 22:49:03,252 INFO L136 LiptonReduction]: Total number of compositions: 165 [2023-11-06 22:49:03,269 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:49:03,276 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@645fbe52, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:49:03,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-11-06 22:49:03,278 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:49:03,278 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:49:03,278 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:49:03,279 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:03,279 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:49:03,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:49:03,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:03,285 INFO L85 PathProgramCache]: Analyzing trace with hash 702, now seen corresponding path program 1 times [2023-11-06 22:49:03,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:03,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852465535] [2023-11-06 22:49:03,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:03,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:03,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:03,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852465535] [2023-11-06 22:49:03,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852465535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:03,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:03,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:49:03,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667991317] [2023-11-06 22:49:03,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:03,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:49:03,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:03,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:49:03,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:49:03,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 363 [2023-11-06 22:49:03,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 57 transitions, 132 flow. Second operand has 2 states, 2 states have (on average 187.5) internal successors, (375), 2 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:03,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:03,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 363 [2023-11-06 22:49:03,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:03,802 INFO L124 PetriNetUnfolderBase]: 981/1815 cut-off events. [2023-11-06 22:49:03,803 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2023-11-06 22:49:03,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3250 conditions, 1815 events. 981/1815 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 11337 event pairs, 609 based on Foata normal form. 419/1782 useless extension candidates. Maximal degree in co-relation 2822. Up to 1338 conditions per place. [2023-11-06 22:49:03,823 INFO L140 encePairwiseOnDemand]: 345/363 looper letters, 23 selfloop transitions, 0 changer transitions 1/39 dead transitions. [2023-11-06 22:49:03,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 39 transitions, 144 flow [2023-11-06 22:49:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:49:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:49:03,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 416 transitions. [2023-11-06 22:49:03,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5730027548209367 [2023-11-06 22:49:03,853 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 416 transitions. [2023-11-06 22:49:03,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 416 transitions. [2023-11-06 22:49:03,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:03,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 416 transitions. [2023-11-06 22:49:03,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 208.0) internal successors, (416), 2 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:03,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 363.0) internal successors, (1089), 3 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:03,869 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 363.0) internal successors, (1089), 3 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:03,871 INFO L175 Difference]: Start difference. First operand has 61 places, 57 transitions, 132 flow. Second operand 2 states and 416 transitions. [2023-11-06 22:49:03,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 39 transitions, 144 flow [2023-11-06 22:49:03,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 39 transitions, 132 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:49:03,879 INFO L231 Difference]: Finished difference. Result has 41 places, 38 transitions, 81 flow [2023-11-06 22:49:03,881 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=81, PETRI_PLACES=41, PETRI_TRANSITIONS=38} [2023-11-06 22:49:03,885 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -20 predicate places. [2023-11-06 22:49:03,886 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 38 transitions, 81 flow [2023-11-06 22:49:03,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 187.5) internal successors, (375), 2 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:03,886 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:03,887 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:49:03,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:49:03,887 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:49:03,888 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:03,888 INFO L85 PathProgramCache]: Analyzing trace with hash 667471379, now seen corresponding path program 1 times [2023-11-06 22:49:03,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:03,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4076127] [2023-11-06 22:49:03,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:03,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:04,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:04,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:04,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4076127] [2023-11-06 22:49:04,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4076127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:04,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:04,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:04,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272224002] [2023-11-06 22:49:04,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:04,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:04,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:04,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:04,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:04,117 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 363 [2023-11-06 22:49:04,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 38 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:04,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:04,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 363 [2023-11-06 22:49:04,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:04,381 INFO L124 PetriNetUnfolderBase]: 1393/2315 cut-off events. [2023-11-06 22:49:04,381 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2023-11-06 22:49:04,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4355 conditions, 2315 events. 1393/2315 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 12501 event pairs, 740 based on Foata normal form. 0/1963 useless extension candidates. Maximal degree in co-relation 4352. Up to 1987 conditions per place. [2023-11-06 22:49:04,401 INFO L140 encePairwiseOnDemand]: 357/363 looper letters, 31 selfloop transitions, 3 changer transitions 0/43 dead transitions. [2023-11-06 22:49:04,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 43 transitions, 161 flow [2023-11-06 22:49:04,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:04,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:04,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 568 transitions. [2023-11-06 22:49:04,406 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5215794306703397 [2023-11-06 22:49:04,406 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 568 transitions. [2023-11-06 22:49:04,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 568 transitions. [2023-11-06 22:49:04,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:04,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 568 transitions. [2023-11-06 22:49:04,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:04,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:04,419 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:04,421 INFO L175 Difference]: Start difference. First operand has 41 places, 38 transitions, 81 flow. Second operand 3 states and 568 transitions. [2023-11-06 22:49:04,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 43 transitions, 161 flow [2023-11-06 22:49:04,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 43 transitions, 161 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:49:04,425 INFO L231 Difference]: Finished difference. Result has 40 places, 38 transitions, 96 flow [2023-11-06 22:49:04,425 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=40, PETRI_TRANSITIONS=38} [2023-11-06 22:49:04,426 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -21 predicate places. [2023-11-06 22:49:04,427 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 38 transitions, 96 flow [2023-11-06 22:49:04,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:04,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:04,434 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:04,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:49:04,434 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:49:04,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:04,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1489988771, now seen corresponding path program 1 times [2023-11-06 22:49:04,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:04,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280522989] [2023-11-06 22:49:04,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:04,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:04,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:04,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280522989] [2023-11-06 22:49:04,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280522989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:04,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:04,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:04,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120759936] [2023-11-06 22:49:04,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:04,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:04,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:04,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:04,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:04,560 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 363 [2023-11-06 22:49:04,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 38 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:04,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:04,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 363 [2023-11-06 22:49:04,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:04,912 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][23], [214#(= |#race~a~0| 0), 34#L50-1true, Black: 207#true, 35#L42-1true, 176#L75-4true, 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:04,912 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2023-11-06 22:49:04,912 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-06 22:49:04,913 INFO L297 olderBase$Statistics]: existing Event has 16 ancestors and is cut-off event [2023-11-06 22:49:04,913 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-06 22:49:04,934 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][23], [214#(= |#race~a~0| 0), 34#L50-1true, Black: 207#true, 90#L76-6true, 35#L42-1true, 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:04,934 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2023-11-06 22:49:04,934 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-06 22:49:04,934 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-06 22:49:04,935 INFO L297 olderBase$Statistics]: existing Event has 17 ancestors and is cut-off event [2023-11-06 22:49:04,946 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([426] L42-7-->L42-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][18], [214#(= |#race~a~0| 0), 34#L50-1true, Black: 207#true, 90#L76-6true, 35#L42-1true, 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:04,946 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2023-11-06 22:49:04,946 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-06 22:49:04,946 INFO L297 olderBase$Statistics]: existing Event has 17 ancestors and is cut-off event [2023-11-06 22:49:04,946 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-06 22:49:04,962 INFO L124 PetriNetUnfolderBase]: 2019/3154 cut-off events. [2023-11-06 22:49:04,963 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2023-11-06 22:49:04,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6142 conditions, 3154 events. 2019/3154 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 17863 event pairs, 466 based on Foata normal form. 0/2325 useless extension candidates. Maximal degree in co-relation 6138. Up to 1922 conditions per place. [2023-11-06 22:49:05,074 INFO L140 encePairwiseOnDemand]: 359/363 looper letters, 41 selfloop transitions, 2 changer transitions 0/55 dead transitions. [2023-11-06 22:49:05,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 55 transitions, 220 flow [2023-11-06 22:49:05,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:05,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 585 transitions. [2023-11-06 22:49:05,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5371900826446281 [2023-11-06 22:49:05,079 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 585 transitions. [2023-11-06 22:49:05,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 585 transitions. [2023-11-06 22:49:05,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:05,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 585 transitions. [2023-11-06 22:49:05,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:05,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:05,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:05,089 INFO L175 Difference]: Start difference. First operand has 40 places, 38 transitions, 96 flow. Second operand 3 states and 585 transitions. [2023-11-06 22:49:05,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 55 transitions, 220 flow [2023-11-06 22:49:05,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 55 transitions, 220 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:49:05,093 INFO L231 Difference]: Finished difference. Result has 41 places, 38 transitions, 106 flow [2023-11-06 22:49:05,094 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=41, PETRI_TRANSITIONS=38} [2023-11-06 22:49:05,095 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -20 predicate places. [2023-11-06 22:49:05,097 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 38 transitions, 106 flow [2023-11-06 22:49:05,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:05,098 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:05,098 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:05,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:49:05,103 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:49:05,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:05,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1231277866, now seen corresponding path program 1 times [2023-11-06 22:49:05,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:05,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823468114] [2023-11-06 22:49:05,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:05,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:05,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:05,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823468114] [2023-11-06 22:49:05,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823468114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:05,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:05,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:05,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392473883] [2023-11-06 22:49:05,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:05,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:05,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:05,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:05,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:05,192 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 363 [2023-11-06 22:49:05,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 38 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:05,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:05,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 363 [2023-11-06 22:49:05,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:05,612 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 34#L50-1true, Black: 207#true, Black: 212#true, 35#L42-1true, 176#L75-4true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,612 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2023-11-06 22:49:05,613 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-06 22:49:05,613 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-06 22:49:05,613 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-06 22:49:05,637 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([654] L50-1-->thread2EXIT: Formula: (and (= |v_#race~c~0_57| 0) (= |v_thread2Thread1of1ForFork2_#res.base_9| 0) (= |v_thread2Thread1of1ForFork2_#res.offset_9| 0) (<= (mod v_~c~0_51 4294967296) (mod v_thread2Thread1of1ForFork2_~i~1_38 4294967296))) InVars {#race~c~0=|v_#race~c~0_57|, thread2Thread1of1ForFork2_~i~1=v_thread2Thread1of1ForFork2_~i~1_38, ~c~0=v_~c~0_51} OutVars{#race~c~0=|v_#race~c~0_57|, thread2Thread1of1ForFork2_#res.base=|v_thread2Thread1of1ForFork2_#res.base_9|, ~c~0=v_~c~0_51, thread2Thread1of1ForFork2_#res.offset=|v_thread2Thread1of1ForFork2_#res.offset_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1, thread2Thread1of1ForFork2_#res.base, thread2Thread1of1ForFork2_#res.offset][34], [214#(= |#race~a~0| 0), Black: 207#true, 90#L76-6true, 35#L42-1true, Black: 212#true, 152#L59-5true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 94#thread2EXITtrue]) [2023-11-06 22:49:05,637 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2023-11-06 22:49:05,637 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-06 22:49:05,638 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-06 22:49:05,638 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-06 22:49:05,638 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([532] L50-1-->L51: Formula: (and (< (mod v_thread2Thread1of1ForFork2_~i~1_21 4294967296) (mod v_~c~0_13 4294967296)) (= |v_#race~c~0_17| 0)) InVars {#race~c~0=|v_#race~c~0_17|, thread2Thread1of1ForFork2_~i~1=v_thread2Thread1of1ForFork2_~i~1_21, ~c~0=v_~c~0_13} OutVars{#race~c~0=|v_#race~c~0_17|, thread2Thread1of1ForFork2_~i~1=v_thread2Thread1of1ForFork2_~i~1_21, ~c~0=v_~c~0_13} AuxVars[] AssignedVars[][35], [214#(= |#race~a~0| 0), Black: 207#true, 37#L51true, 90#L76-6true, 35#L42-1true, Black: 212#true, 152#L59-5true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0)]) [2023-11-06 22:49:05,638 INFO L294 olderBase$Statistics]: this new event has 22 ancestors and is cut-off event [2023-11-06 22:49:05,638 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-06 22:49:05,639 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-06 22:49:05,639 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-06 22:49:05,646 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 34#L50-1true, Black: 207#true, 90#L76-6true, 35#L42-1true, Black: 212#true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,646 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,647 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-06 22:49:05,647 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-06 22:49:05,647 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,652 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 30#thread1EXITtrue, 34#L50-1true, Black: 207#true, Black: 212#true, 176#L75-4true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,653 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,653 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-06 22:49:05,653 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-06 22:49:05,653 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,661 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 34#L50-1true, Black: 207#true, Black: 212#true, 176#L75-4true, 155#L43true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,661 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,661 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-06 22:49:05,662 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,662 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-06 22:49:05,668 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([654] L50-1-->thread2EXIT: Formula: (and (= |v_#race~c~0_57| 0) (= |v_thread2Thread1of1ForFork2_#res.base_9| 0) (= |v_thread2Thread1of1ForFork2_#res.offset_9| 0) (<= (mod v_~c~0_51 4294967296) (mod v_thread2Thread1of1ForFork2_~i~1_38 4294967296))) InVars {#race~c~0=|v_#race~c~0_57|, thread2Thread1of1ForFork2_~i~1=v_thread2Thread1of1ForFork2_~i~1_38, ~c~0=v_~c~0_51} OutVars{#race~c~0=|v_#race~c~0_57|, thread2Thread1of1ForFork2_#res.base=|v_thread2Thread1of1ForFork2_#res.base_9|, ~c~0=v_~c~0_51, thread2Thread1of1ForFork2_#res.offset=|v_thread2Thread1of1ForFork2_#res.offset_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1, thread2Thread1of1ForFork2_#res.base, thread2Thread1of1ForFork2_#res.offset][34], [214#(= |#race~a~0| 0), 60#L58-7true, Black: 207#true, 90#L76-6true, 35#L42-1true, Black: 212#true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 94#thread2EXITtrue]) [2023-11-06 22:49:05,668 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,668 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,668 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,668 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-06 22:49:05,669 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([532] L50-1-->L51: Formula: (and (< (mod v_thread2Thread1of1ForFork2_~i~1_21 4294967296) (mod v_~c~0_13 4294967296)) (= |v_#race~c~0_17| 0)) InVars {#race~c~0=|v_#race~c~0_17|, thread2Thread1of1ForFork2_~i~1=v_thread2Thread1of1ForFork2_~i~1_21, ~c~0=v_~c~0_13} OutVars{#race~c~0=|v_#race~c~0_17|, thread2Thread1of1ForFork2_~i~1=v_thread2Thread1of1ForFork2_~i~1_21, ~c~0=v_~c~0_13} AuxVars[] AssignedVars[][35], [214#(= |#race~a~0| 0), 60#L58-7true, Black: 207#true, 37#L51true, 90#L76-6true, 35#L42-1true, Black: 212#true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0)]) [2023-11-06 22:49:05,669 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,669 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-06 22:49:05,669 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,669 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,670 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 34#L50-1true, Black: 207#true, 90#L76-6true, 35#L42-1true, Black: 212#true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,670 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,670 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-06 22:49:05,670 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-06 22:49:05,670 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,671 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,675 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([451] L50-7-->L50-1: Formula: (= |v_#race~c~0_4| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_4|} AuxVars[] AssignedVars[#race~c~0][12], [214#(= |#race~a~0| 0), 34#L50-1true, Black: 207#true, 90#L76-6true, 35#L42-1true, Black: 212#true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,675 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,675 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-06 22:49:05,676 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-06 22:49:05,676 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-06 22:49:05,679 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 30#thread1EXITtrue, 34#L50-1true, Black: 207#true, 90#L76-6true, Black: 212#true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,679 INFO L294 olderBase$Statistics]: this new event has 24 ancestors and is cut-off event [2023-11-06 22:49:05,679 INFO L297 olderBase$Statistics]: existing Event has 24 ancestors and is cut-off event [2023-11-06 22:49:05,679 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-06 22:49:05,680 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-06 22:49:05,685 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 34#L50-1true, Black: 207#true, 90#L76-6true, Black: 212#true, 155#L43true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,685 INFO L294 olderBase$Statistics]: this new event has 24 ancestors and is cut-off event [2023-11-06 22:49:05,685 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-06 22:49:05,686 INFO L297 olderBase$Statistics]: existing Event has 24 ancestors and is cut-off event [2023-11-06 22:49:05,686 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-06 22:49:05,686 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 34#L50-1true, 116#L43-3true, Black: 207#true, Black: 212#true, 176#L75-4true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,687 INFO L294 olderBase$Statistics]: this new event has 24 ancestors and is cut-off event [2023-11-06 22:49:05,687 INFO L297 olderBase$Statistics]: existing Event has 24 ancestors and is cut-off event [2023-11-06 22:49:05,687 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-06 22:49:05,687 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-11-06 22:49:05,692 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 34#L50-1true, Black: 207#true, Black: 212#true, 219#(= |#race~b~0| 0), 54#L76-7true, 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,692 INFO L294 olderBase$Statistics]: this new event has 25 ancestors and is cut-off event [2023-11-06 22:49:05,693 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-06 22:49:05,693 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-11-06 22:49:05,693 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is cut-off event [2023-11-06 22:49:05,696 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 34#L50-1true, 17#L42-7true, Black: 207#true, Black: 212#true, 176#L75-4true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,696 INFO L294 olderBase$Statistics]: this new event has 25 ancestors and is cut-off event [2023-11-06 22:49:05,696 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-06 22:49:05,696 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is cut-off event [2023-11-06 22:49:05,697 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-06 22:49:05,697 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 34#L50-1true, 116#L43-3true, Black: 207#true, 90#L76-6true, Black: 212#true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,698 INFO L294 olderBase$Statistics]: this new event has 25 ancestors and is cut-off event [2023-11-06 22:49:05,698 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-11-06 22:49:05,698 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-11-06 22:49:05,698 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is cut-off event [2023-11-06 22:49:05,700 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 34#L50-1true, 4#L77-6true, Black: 207#true, Black: 212#true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,700 INFO L294 olderBase$Statistics]: this new event has 26 ancestors and is cut-off event [2023-11-06 22:49:05,700 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-11-06 22:49:05,700 INFO L297 olderBase$Statistics]: existing Event has 24 ancestors and is cut-off event [2023-11-06 22:49:05,700 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-06 22:49:05,702 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([476] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [214#(= |#race~a~0| 0), 34#L50-1true, 17#L42-7true, Black: 207#true, 90#L76-6true, Black: 212#true, 219#(= |#race~b~0| 0), 204#true, 209#(= |#race~c~0| 0), 150#L58-1true]) [2023-11-06 22:49:05,702 INFO L294 olderBase$Statistics]: this new event has 26 ancestors and is cut-off event [2023-11-06 22:49:05,702 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-11-06 22:49:05,702 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-11-06 22:49:05,702 INFO L297 olderBase$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-11-06 22:49:05,703 INFO L124 PetriNetUnfolderBase]: 2586/3906 cut-off events. [2023-11-06 22:49:05,703 INFO L125 PetriNetUnfolderBase]: For 326/326 co-relation queries the response was YES. [2023-11-06 22:49:05,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8306 conditions, 3906 events. 2586/3906 cut-off events. For 326/326 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 22130 event pairs, 714 based on Foata normal form. 0/2823 useless extension candidates. Maximal degree in co-relation 8301. Up to 2336 conditions per place. [2023-11-06 22:49:05,721 INFO L140 encePairwiseOnDemand]: 359/363 looper letters, 0 selfloop transitions, 0 changer transitions 56/56 dead transitions. [2023-11-06 22:49:05,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 56 transitions, 247 flow [2023-11-06 22:49:05,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2023-11-06 22:49:05,725 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5362718089990818 [2023-11-06 22:49:05,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 584 transitions. [2023-11-06 22:49:05,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 584 transitions. [2023-11-06 22:49:05,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:05,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 584 transitions. [2023-11-06 22:49:05,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:05,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:05,733 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:05,733 INFO L175 Difference]: Start difference. First operand has 41 places, 38 transitions, 106 flow. Second operand 3 states and 584 transitions. [2023-11-06 22:49:05,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 56 transitions, 247 flow [2023-11-06 22:49:05,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 56 transitions, 247 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:49:05,735 INFO L231 Difference]: Finished difference. Result has 41 places, 0 transitions, 0 flow [2023-11-06 22:49:05,736 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=41, PETRI_TRANSITIONS=0} [2023-11-06 22:49:05,737 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -20 predicate places. [2023-11-06 22:49:05,737 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 0 transitions, 0 flow [2023-11-06 22:49:05,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:05,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining) [2023-11-06 22:49:05,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2023-11-06 22:49:05,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2023-11-06 22:49:05,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2023-11-06 22:49:05,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2023-11-06 22:49:05,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2023-11-06 22:49:05,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining) [2023-11-06 22:49:05,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining) [2023-11-06 22:49:05,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining) [2023-11-06 22:49:05,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining) [2023-11-06 22:49:05,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2023-11-06 22:49:05,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2023-11-06 22:49:05,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2023-11-06 22:49:05,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2023-11-06 22:49:05,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2023-11-06 22:49:05,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2023-11-06 22:49:05,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2023-11-06 22:49:05,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2023-11-06 22:49:05,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining) [2023-11-06 22:49:05,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2023-11-06 22:49:05,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2023-11-06 22:49:05,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2023-11-06 22:49:05,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 38 remaining) [2023-11-06 22:49:05,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 38 remaining) [2023-11-06 22:49:05,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining) [2023-11-06 22:49:05,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 38 remaining) [2023-11-06 22:49:05,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining) [2023-11-06 22:49:05,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining) [2023-11-06 22:49:05,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining) [2023-11-06 22:49:05,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2023-11-06 22:49:05,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2023-11-06 22:49:05,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2023-11-06 22:49:05,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2023-11-06 22:49:05,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2023-11-06 22:49:05,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2023-11-06 22:49:05,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2023-11-06 22:49:05,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2023-11-06 22:49:05,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2023-11-06 22:49:05,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:49:05,750 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:49:05,756 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:49:05,757 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:49:05,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:49:05 BasicIcfg [2023-11-06 22:49:05,761 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:49:05,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:49:05,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:49:05,763 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:49:05,763 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:58" (3/4) ... [2023-11-06 22:49:05,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:49:05,769 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:49:05,770 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 22:49:05,770 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 22:49:05,776 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 22:49:05,776 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:49:05,777 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:49:05,777 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:49:05,835 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:49:05,836 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:49:05,836 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:49:05,837 INFO L158 Benchmark]: Toolchain (without parser) took 8585.18ms. Allocated memory was 151.0MB in the beginning and 226.5MB in the end (delta: 75.5MB). Free memory was 110.5MB in the beginning and 121.2MB in the end (delta: -10.7MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2023-11-06 22:49:05,837 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:49:05,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.46ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 117.5MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:49:05,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.80ms. Allocated memory is still 151.0MB. Free memory was 117.5MB in the beginning and 115.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:49:05,839 INFO L158 Benchmark]: Boogie Preprocessor took 47.10ms. Allocated memory is still 151.0MB. Free memory was 115.5MB in the beginning and 114.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:49:05,839 INFO L158 Benchmark]: RCFGBuilder took 700.47ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 95.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:49:05,839 INFO L158 Benchmark]: TraceAbstraction took 7349.46ms. Allocated memory was 151.0MB in the beginning and 226.5MB in the end (delta: 75.5MB). Free memory was 94.5MB in the beginning and 125.4MB in the end (delta: -30.9MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. [2023-11-06 22:49:05,840 INFO L158 Benchmark]: Witness Printer took 74.05ms. Allocated memory is still 226.5MB. Free memory was 125.4MB in the beginning and 121.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:49:05,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.46ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 117.5MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.80ms. Allocated memory is still 151.0MB. Free memory was 117.5MB in the beginning and 115.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.10ms. Allocated memory is still 151.0MB. Free memory was 115.5MB in the beginning and 114.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 700.47ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 95.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7349.46ms. Allocated memory was 151.0MB in the beginning and 226.5MB in the end (delta: 75.5MB). Free memory was 94.5MB in the beginning and 125.4MB in the end (delta: -30.9MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. * Witness Printer took 74.05ms. Allocated memory is still 226.5MB. Free memory was 125.4MB in the beginning and 121.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5s, 176 PlacesBefore, 61 PlacesAfterwards, 172 TransitionsBefore, 57 TransitionsAfterwards, 7812 CoEnabledTransitionPairs, 7 FixpointIterations, 63 TrivialSequentialCompositions, 95 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 0 ChoiceCompositions, 165 TotalNumberOfCompositions, 20133 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10821, independent: 10468, independent conditional: 0, independent unconditional: 10468, dependent: 353, dependent conditional: 0, dependent unconditional: 353, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4462, independent: 4407, independent conditional: 0, independent unconditional: 4407, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10821, independent: 6061, independent conditional: 0, independent unconditional: 6061, dependent: 298, dependent conditional: 0, dependent unconditional: 298, unknown: 4462, unknown conditional: 0, unknown unconditional: 4462] , Statistics on independence cache: Total cache size (in pairs): 433, Positive cache size: 402, Positive conditional cache size: 0, Positive unconditional cache size: 402, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 270 locations, 38 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 203 IncrementalHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 19 mSDtfsCounter, 203 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:49:05,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1552c357-bc77-49d7-9815-e82b4ddda830/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE