./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 389f5b7d6579b5ac06564f3c82f3f69fea502868b761df6187d49f96e1a317cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:50:42,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:50:42,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:50:42,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:50:42,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:50:42,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:50:42,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:50:42,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:50:42,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:50:42,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:50:42,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:50:42,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:50:42,206 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:50:42,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:50:42,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:50:42,208 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:50:42,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:50:42,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:50:42,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:50:42,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:50:42,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:50:42,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:50:42,213 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:50:42,214 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:50:42,215 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:50:42,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:50:42,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:50:42,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:50:42,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:50:42,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:50:42,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:50:42,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:50:42,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:50:42,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:50:42,246 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:50:42,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:50:42,247 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:50:42,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:50:42,247 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:50:42,248 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:50:42,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:50:42,248 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_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 389f5b7d6579b5ac06564f3c82f3f69fea502868b761df6187d49f96e1a317cd [2023-11-26 11:50:42,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:50:42,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:50:42,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:50:42,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:50:42,617 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:50:42,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs-pthread.i [2023-11-26 11:50:46,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:50:46,636 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:50:46,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/sv-benchmarks/c/pthread-ext/31_simple_loop5_vs-pthread.i [2023-11-26 11:50:46,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/data/067df5e0a/30bab20e1c9e42ecab18b9922770e263/FLAG271e14609 [2023-11-26 11:50:46,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/data/067df5e0a/30bab20e1c9e42ecab18b9922770e263 [2023-11-26 11:50:46,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:50:46,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:50:46,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:46,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:50:46,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:50:46,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:46" (1/1) ... [2023-11-26 11:50:46,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b249460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:46, skipping insertion in model container [2023-11-26 11:50:46,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:46" (1/1) ... [2023-11-26 11:50:46,781 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:50:47,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:50:47,398 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:50:47,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:50:47,559 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:50:47,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47 WrapperNode [2023-11-26 11:50:47,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:47,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:50:47,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:50:47,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:50:47,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47" (1/1) ... [2023-11-26 11:50:47,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47" (1/1) ... [2023-11-26 11:50:47,623 INFO L138 Inliner]: procedures = 163, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-11-26 11:50:47,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:50:47,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:50:47,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:50:47,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:50:47,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47" (1/1) ... [2023-11-26 11:50:47,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47" (1/1) ... [2023-11-26 11:50:47,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47" (1/1) ... [2023-11-26 11:50:47,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47" (1/1) ... [2023-11-26 11:50:47,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47" (1/1) ... [2023-11-26 11:50:47,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47" (1/1) ... [2023-11-26 11:50:47,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47" (1/1) ... [2023-11-26 11:50:47,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47" (1/1) ... [2023-11-26 11:50:47,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:50:47,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:50:47,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:50:47,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:50:47,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47" (1/1) ... [2023-11-26 11:50:47,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:50:47,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:47,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:47,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d942bb-40f9-427e-aeee-28db13db3943/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:50:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-26 11:50:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-26 11:50:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-26 11:50:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-26 11:50:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:50:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 11:50:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:50:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:50:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:50:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:50:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 11:50:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:50:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:50:47,824 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:50:48,113 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:50:48,116 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:50:48,473 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:50:48,524 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:50:48,525 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 11:50:48,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:48 BoogieIcfgContainer [2023-11-26 11:50:48,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:50:48,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:50:48,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:50:48,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:50:48,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:50:46" (1/3) ... [2023-11-26 11:50:48,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ff0aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:48, skipping insertion in model container [2023-11-26 11:50:48,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:47" (2/3) ... [2023-11-26 11:50:48,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ff0aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:48, skipping insertion in model container [2023-11-26 11:50:48,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:48" (3/3) ... [2023-11-26 11:50:48,543 INFO L112 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs-pthread.i [2023-11-26 11:50:48,555 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:50:48,569 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:50:48,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-26 11:50:48,570 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:50:48,753 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:50:48,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 113 transitions, 234 flow [2023-11-26 11:50:48,941 INFO L124 PetriNetUnfolderBase]: 8/123 cut-off events. [2023-11-26 11:50:48,941 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:50:48,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 123 events. 8/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 201 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 101. Up to 4 conditions per place. [2023-11-26 11:50:48,949 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 113 transitions, 234 flow [2023-11-26 11:50:48,957 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 112 transitions, 231 flow [2023-11-26 11:50:48,969 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:50:48,982 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@130467b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:50:48,982 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-11-26 11:50:49,016 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:50:49,016 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2023-11-26 11:50:49,016 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:50:49,016 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:49,017 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:49,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-26 11:50:49,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:49,028 INFO L85 PathProgramCache]: Analyzing trace with hash -323765285, now seen corresponding path program 1 times [2023-11-26 11:50:49,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:49,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391250004] [2023-11-26 11:50:49,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:49,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:49,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:50:49,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:49,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391250004] [2023-11-26 11:50:49,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391250004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:49,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:49,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:50:49,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672814182] [2023-11-26 11:50:49,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:49,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:50:49,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:49,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:50:49,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:50:49,549 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 113 [2023-11-26 11:50:49,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 112 transitions, 231 flow. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2023-11-26 11:50:49,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:49,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 113 [2023-11-26 11:50:49,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:49,813 INFO L124 PetriNetUnfolderBase]: 48/357 cut-off events. [2023-11-26 11:50:49,814 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-26 11:50:49,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 357 events. 48/357 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1418 event pairs, 10 based on Foata normal form. 96/400 useless extension candidates. Maximal degree in co-relation 445. Up to 66 conditions per place. [2023-11-26 11:50:49,828 INFO L140 encePairwiseOnDemand]: 99/113 looper letters, 16 selfloop transitions, 4 changer transitions 0/99 dead transitions. [2023-11-26 11:50:49,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 99 transitions, 248 flow [2023-11-26 11:50:49,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:50:49,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:50:49,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2023-11-26 11:50:49,857 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9174041297935103 [2023-11-26 11:50:49,858 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 311 transitions. [2023-11-26 11:50:49,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 311 transitions. [2023-11-26 11:50:49,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:49,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 311 transitions. [2023-11-26 11:50:49,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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) [2023-11-26 11:50:49,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 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) [2023-11-26 11:50:49,883 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 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) [2023-11-26 11:50:49,885 INFO L175 Difference]: Start difference. First operand has 111 places, 112 transitions, 231 flow. Second operand 3 states and 311 transitions. [2023-11-26 11:50:49,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 99 transitions, 248 flow [2023-11-26 11:50:49,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 99 transitions, 247 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:50:49,898 INFO L231 Difference]: Finished difference. Result has 98 places, 94 transitions, 218 flow [2023-11-26 11:50:49,901 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=98, PETRI_TRANSITIONS=94} [2023-11-26 11:50:49,907 INFO L281 CegarLoopForPetriNet]: 111 programPoint places, -13 predicate places. [2023-11-26 11:50:49,907 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 94 transitions, 218 flow [2023-11-26 11:50:49,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2023-11-26 11:50:49,908 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:49,908 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:49,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:50:49,910 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-26 11:50:49,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:49,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1900781955, now seen corresponding path program 1 times [2023-11-26 11:50:49,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:49,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849365742] [2023-11-26 11:50:49,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:49,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:50:50,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:50,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849365742] [2023-11-26 11:50:50,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849365742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:50,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:50,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:50:50,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183496377] [2023-11-26 11:50:50,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:50,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:50:50,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:50,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:50:50,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:50:50,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 113 [2023-11-26 11:50:50,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 94 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2023-11-26 11:50:50,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:50,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 113 [2023-11-26 11:50:50,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:50,400 INFO L124 PetriNetUnfolderBase]: 91/627 cut-off events. [2023-11-26 11:50:50,400 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-11-26 11:50:50,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 627 events. 91/627 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3345 event pairs, 23 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 867. Up to 105 conditions per place. [2023-11-26 11:50:50,410 INFO L140 encePairwiseOnDemand]: 107/113 looper letters, 16 selfloop transitions, 4 changer transitions 0/101 dead transitions. [2023-11-26 11:50:50,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 101 transitions, 275 flow [2023-11-26 11:50:50,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:50:50,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:50:50,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 295 transitions. [2023-11-26 11:50:50,415 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8702064896755162 [2023-11-26 11:50:50,416 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 295 transitions. [2023-11-26 11:50:50,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 295 transitions. [2023-11-26 11:50:50,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:50,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 295 transitions. [2023-11-26 11:50:50,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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) [2023-11-26 11:50:50,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 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) [2023-11-26 11:50:50,424 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 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) [2023-11-26 11:50:50,425 INFO L175 Difference]: Start difference. First operand has 98 places, 94 transitions, 218 flow. Second operand 3 states and 295 transitions. [2023-11-26 11:50:50,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 101 transitions, 275 flow [2023-11-26 11:50:50,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 101 transitions, 267 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:50:50,433 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 238 flow [2023-11-26 11:50:50,433 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=238, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2023-11-26 11:50:50,434 INFO L281 CegarLoopForPetriNet]: 111 programPoint places, -12 predicate places. [2023-11-26 11:50:50,435 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 238 flow [2023-11-26 11:50:50,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2023-11-26 11:50:50,435 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:50,437 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:50,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:50:50,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-26 11:50:50,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:50,444 INFO L85 PathProgramCache]: Analyzing trace with hash 293263945, now seen corresponding path program 1 times [2023-11-26 11:50:50,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:50,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751864232] [2023-11-26 11:50:50,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:50,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:50:50,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:50:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:50:50,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:50:50,600 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:50:50,602 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 22 remaining) [2023-11-26 11:50:50,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2023-11-26 11:50:50,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2023-11-26 11:50:50,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2023-11-26 11:50:50,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2023-11-26 11:50:50,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2023-11-26 11:50:50,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2023-11-26 11:50:50,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2023-11-26 11:50:50,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2023-11-26 11:50:50,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2023-11-26 11:50:50,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2023-11-26 11:50:50,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 22 remaining) [2023-11-26 11:50:50,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2023-11-26 11:50:50,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2023-11-26 11:50:50,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2023-11-26 11:50:50,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2023-11-26 11:50:50,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2023-11-26 11:50:50,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2023-11-26 11:50:50,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2023-11-26 11:50:50,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2023-11-26 11:50:50,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2023-11-26 11:50:50,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2023-11-26 11:50:50,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:50:50,621 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 11:50:50,625 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-26 11:50:50,625 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-26 11:50:50,700 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:50:50,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 183 places, 186 transitions, 392 flow [2023-11-26 11:50:50,755 INFO L124 PetriNetUnfolderBase]: 11/183 cut-off events. [2023-11-26 11:50:50,755 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 11:50:50,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 183 events. 11/183 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 394 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 190. Up to 6 conditions per place. [2023-11-26 11:50:50,758 INFO L82 GeneralOperation]: Start removeDead. Operand has 183 places, 186 transitions, 392 flow [2023-11-26 11:50:50,763 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 159 transitions, 331 flow [2023-11-26 11:50:50,764 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:50:50,766 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@130467b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:50:50,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2023-11-26 11:50:50,774 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:50:50,774 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2023-11-26 11:50:50,774 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:50:50,774 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:50,775 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:50,775 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-26 11:50:50,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:50,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1828795427, now seen corresponding path program 1 times [2023-11-26 11:50:50,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:50,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627095601] [2023-11-26 11:50:50,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:50,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:50:50,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:50,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627095601] [2023-11-26 11:50:50,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627095601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:50,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:50,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:50:50,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779443018] [2023-11-26 11:50:50,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:50,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:50:50,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:50,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:50:50,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:50:50,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 186 [2023-11-26 11:50:50,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 159 transitions, 331 flow. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 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) [2023-11-26 11:50:50,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:50,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 186 [2023-11-26 11:50:50,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:51,970 INFO L124 PetriNetUnfolderBase]: 861/3680 cut-off events. [2023-11-26 11:50:51,970 INFO L125 PetriNetUnfolderBase]: For 152/152 co-relation queries the response was YES. [2023-11-26 11:50:51,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5188 conditions, 3680 events. 861/3680 cut-off events. For 152/152 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33127 event pairs, 242 based on Foata normal form. 987/4017 useless extension candidates. Maximal degree in co-relation 5156. Up to 801 conditions per place. [2023-11-26 11:50:52,035 INFO L140 encePairwiseOnDemand]: 165/186 looper letters, 28 selfloop transitions, 8 changer transitions 0/151 dead transitions. [2023-11-26 11:50:52,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 151 transitions, 395 flow [2023-11-26 11:50:52,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:50:52,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:50:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 491 transitions. [2023-11-26 11:50:52,039 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8799283154121864 [2023-11-26 11:50:52,039 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 491 transitions. [2023-11-26 11:50:52,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 491 transitions. [2023-11-26 11:50:52,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:52,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 491 transitions. [2023-11-26 11:50:52,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 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) [2023-11-26 11:50:52,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2023-11-26 11:50:52,046 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2023-11-26 11:50:52,046 INFO L175 Difference]: Start difference. First operand has 158 places, 159 transitions, 331 flow. Second operand 3 states and 491 transitions. [2023-11-26 11:50:52,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 151 transitions, 395 flow [2023-11-26 11:50:52,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 151 transitions, 394 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:50:52,056 INFO L231 Difference]: Finished difference. Result has 143 places, 143 transitions, 352 flow [2023-11-26 11:50:52,056 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=143, PETRI_TRANSITIONS=143} [2023-11-26 11:50:52,060 INFO L281 CegarLoopForPetriNet]: 158 programPoint places, -15 predicate places. [2023-11-26 11:50:52,060 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 143 transitions, 352 flow [2023-11-26 11:50:52,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 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) [2023-11-26 11:50:52,062 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:52,062 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:52,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:50:52,062 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-26 11:50:52,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:52,063 INFO L85 PathProgramCache]: Analyzing trace with hash 830800325, now seen corresponding path program 1 times [2023-11-26 11:50:52,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:52,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414689946] [2023-11-26 11:50:52,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:52,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:52,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:50:52,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:52,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414689946] [2023-11-26 11:50:52,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414689946] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:52,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:52,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:50:52,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261457639] [2023-11-26 11:50:52,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:52,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:50:52,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:52,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:50:52,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:50:52,224 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 186 [2023-11-26 11:50:52,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 143 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 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) [2023-11-26 11:50:52,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:52,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 186 [2023-11-26 11:50:52,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:54,754 INFO L124 PetriNetUnfolderBase]: 2765/11506 cut-off events. [2023-11-26 11:50:54,755 INFO L125 PetriNetUnfolderBase]: For 708/711 co-relation queries the response was YES. [2023-11-26 11:50:54,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17376 conditions, 11506 events. 2765/11506 cut-off events. For 708/711 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 131871 event pairs, 804 based on Foata normal form. 0/9568 useless extension candidates. Maximal degree in co-relation 17343. Up to 2170 conditions per place. [2023-11-26 11:50:54,956 INFO L140 encePairwiseOnDemand]: 175/186 looper letters, 28 selfloop transitions, 8 changer transitions 0/159 dead transitions. [2023-11-26 11:50:54,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 159 transitions, 464 flow [2023-11-26 11:50:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:50:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:50:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2023-11-26 11:50:54,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8440860215053764 [2023-11-26 11:50:54,960 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 471 transitions. [2023-11-26 11:50:54,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 471 transitions. [2023-11-26 11:50:54,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:54,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 471 transitions. [2023-11-26 11:50:54,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 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) [2023-11-26 11:50:54,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2023-11-26 11:50:54,966 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2023-11-26 11:50:54,967 INFO L175 Difference]: Start difference. First operand has 143 places, 143 transitions, 352 flow. Second operand 3 states and 471 transitions. [2023-11-26 11:50:54,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 159 transitions, 464 flow [2023-11-26 11:50:54,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 159 transitions, 448 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:50:54,982 INFO L231 Difference]: Finished difference. Result has 145 places, 151 transitions, 406 flow [2023-11-26 11:50:54,983 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=145, PETRI_TRANSITIONS=151} [2023-11-26 11:50:54,984 INFO L281 CegarLoopForPetriNet]: 158 programPoint places, -13 predicate places. [2023-11-26 11:50:54,984 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 151 transitions, 406 flow [2023-11-26 11:50:54,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 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) [2023-11-26 11:50:54,985 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:54,986 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:54,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:50:54,986 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-26 11:50:54,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:54,987 INFO L85 PathProgramCache]: Analyzing trace with hash -770119148, now seen corresponding path program 1 times [2023-11-26 11:50:54,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:54,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166081838] [2023-11-26 11:50:54,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:54,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:50:55,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:55,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166081838] [2023-11-26 11:50:55,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166081838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:55,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:55,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:50:55,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905971244] [2023-11-26 11:50:55,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:55,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:50:55,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:55,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:50:55,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:50:55,123 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 186 [2023-11-26 11:50:55,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 151 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 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) [2023-11-26 11:50:55,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:55,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 186 [2023-11-26 11:50:55,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:57,492 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([516] L694-->L694-1: Formula: (= |v_#race~a~0_1| 0) InVars {} OutVars{#race~a~0=|v_#race~a~0_1|} AuxVars[] AssignedVars[#race~a~0][51], [136#L695-5true, thr2Thread1of2ForFork0InUse, 124#L694-1true, thr2Thread2of2ForFork0InUse, 194#(= |#race~b~0| 0), Black: 192#true, 44#L708-2true, thr1Thread1of2ForFork1InUse, 102#L717-4true, 198#true, Black: 186#true]) [2023-11-26 11:50:57,493 INFO L294 olderBase$Statistics]: this new event has 102 ancestors and is cut-off event [2023-11-26 11:50:57,493 INFO L297 olderBase$Statistics]: existing Event has 102 ancestors and is cut-off event [2023-11-26 11:50:57,493 INFO L297 olderBase$Statistics]: existing Event has 102 ancestors and is cut-off event [2023-11-26 11:50:57,493 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:50:58,139 INFO L124 PetriNetUnfolderBase]: 3513/14765 cut-off events. [2023-11-26 11:50:58,140 INFO L125 PetriNetUnfolderBase]: For 912/917 co-relation queries the response was YES. [2023-11-26 11:50:58,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23107 conditions, 14765 events. 3513/14765 cut-off events. For 912/917 co-relation queries the response was YES. Maximal size of possible extension queue 510. Compared 178091 event pairs, 1504 based on Foata normal form. 0/12480 useless extension candidates. Maximal degree in co-relation 23073. Up to 3347 conditions per place. [2023-11-26 11:50:58,385 INFO L140 encePairwiseOnDemand]: 180/186 looper letters, 21 selfloop transitions, 5 changer transitions 0/160 dead transitions. [2023-11-26 11:50:58,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 160 transitions, 481 flow [2023-11-26 11:50:58,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:50:58,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:50:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2023-11-26 11:50:58,388 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8548387096774194 [2023-11-26 11:50:58,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 477 transitions. [2023-11-26 11:50:58,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 477 transitions. [2023-11-26 11:50:58,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:58,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 477 transitions. [2023-11-26 11:50:58,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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) [2023-11-26 11:50:58,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2023-11-26 11:50:58,395 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2023-11-26 11:50:58,396 INFO L175 Difference]: Start difference. First operand has 145 places, 151 transitions, 406 flow. Second operand 3 states and 477 transitions. [2023-11-26 11:50:58,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 160 transitions, 481 flow [2023-11-26 11:50:58,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 160 transitions, 465 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:50:58,411 INFO L231 Difference]: Finished difference. Result has 147 places, 155 transitions, 428 flow [2023-11-26 11:50:58,412 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=428, PETRI_PLACES=147, PETRI_TRANSITIONS=155} [2023-11-26 11:50:58,416 INFO L281 CegarLoopForPetriNet]: 158 programPoint places, -11 predicate places. [2023-11-26 11:50:58,416 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 155 transitions, 428 flow [2023-11-26 11:50:58,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 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) [2023-11-26 11:50:58,417 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:58,418 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:58,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:50:58,418 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-26 11:50:58,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:58,419 INFO L85 PathProgramCache]: Analyzing trace with hash 2141345099, now seen corresponding path program 1 times [2023-11-26 11:50:58,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:58,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930842739] [2023-11-26 11:50:58,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:58,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:50:58,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:50:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:50:58,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:50:58,508 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:50:58,509 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 32 remaining) [2023-11-26 11:50:58,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2023-11-26 11:50:58,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2023-11-26 11:50:58,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2023-11-26 11:50:58,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2023-11-26 11:50:58,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2023-11-26 11:50:58,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2023-11-26 11:50:58,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2023-11-26 11:50:58,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2023-11-26 11:50:58,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2023-11-26 11:50:58,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2023-11-26 11:50:58,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 32 remaining) [2023-11-26 11:50:58,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2023-11-26 11:50:58,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2023-11-26 11:50:58,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2023-11-26 11:50:58,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2023-11-26 11:50:58,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2023-11-26 11:50:58,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining) [2023-11-26 11:50:58,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (13 of 32 remaining) [2023-11-26 11:50:58,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (12 of 32 remaining) [2023-11-26 11:50:58,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (11 of 32 remaining) [2023-11-26 11:50:58,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (10 of 32 remaining) [2023-11-26 11:50:58,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2023-11-26 11:50:58,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2023-11-26 11:50:58,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2023-11-26 11:50:58,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2023-11-26 11:50:58,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2023-11-26 11:50:58,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2023-11-26 11:50:58,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2023-11-26 11:50:58,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2023-11-26 11:50:58,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2023-11-26 11:50:58,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2023-11-26 11:50:58,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:50:58,524 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 11:50:58,525 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-26 11:50:58,525 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-26 11:50:58,599 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:50:58,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 254 places, 259 transitions, 554 flow [2023-11-26 11:50:58,652 INFO L124 PetriNetUnfolderBase]: 14/243 cut-off events. [2023-11-26 11:50:58,653 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-26 11:50:58,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 243 events. 14/243 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 643 event pairs, 0 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 254. Up to 8 conditions per place. [2023-11-26 11:50:58,657 INFO L82 GeneralOperation]: Start removeDead. Operand has 254 places, 259 transitions, 554 flow [2023-11-26 11:50:58,662 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 205 places, 206 transitions, 433 flow [2023-11-26 11:50:58,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:50:58,664 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@130467b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:50:58,664 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2023-11-26 11:50:58,669 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:50:58,670 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2023-11-26 11:50:58,670 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:50:58,670 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:58,670 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:58,671 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2023-11-26 11:50:58,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:58,671 INFO L85 PathProgramCache]: Analyzing trace with hash 850091691, now seen corresponding path program 1 times [2023-11-26 11:50:58,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:58,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669189190] [2023-11-26 11:50:58,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:58,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:50:58,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:58,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669189190] [2023-11-26 11:50:58,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669189190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:58,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:58,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:50:58,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983420965] [2023-11-26 11:50:58,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:58,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:50:58,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:58,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:50:58,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:50:58,775 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 259 [2023-11-26 11:50:58,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 206 transitions, 433 flow. Second operand has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 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) [2023-11-26 11:50:58,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:58,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 259 [2023-11-26 11:50:58,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:04,651 INFO L124 PetriNetUnfolderBase]: 10632/33037 cut-off events. [2023-11-26 11:51:04,652 INFO L125 PetriNetUnfolderBase]: For 2746/2746 co-relation queries the response was YES. [2023-11-26 11:51:04,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49500 conditions, 33037 events. 10632/33037 cut-off events. For 2746/2746 co-relation queries the response was YES. Maximal size of possible extension queue 1102. Compared 408724 event pairs, 3331 based on Foata normal form. 9176/36224 useless extension candidates. Maximal degree in co-relation 49467. Up to 8308 conditions per place. [2023-11-26 11:51:05,186 INFO L140 encePairwiseOnDemand]: 232/259 looper letters, 38 selfloop transitions, 11 changer transitions 0/200 dead transitions. [2023-11-26 11:51:05,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 200 transitions, 534 flow [2023-11-26 11:51:05,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:51:05,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:51:05,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 668 transitions. [2023-11-26 11:51:05,190 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8597168597168597 [2023-11-26 11:51:05,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 668 transitions. [2023-11-26 11:51:05,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 668 transitions. [2023-11-26 11:51:05,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:05,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 668 transitions. [2023-11-26 11:51:05,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 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) [2023-11-26 11:51:05,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 259.0) internal successors, (1036), 4 states have internal predecessors, (1036), 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) [2023-11-26 11:51:05,198 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 259.0) internal successors, (1036), 4 states have internal predecessors, (1036), 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) [2023-11-26 11:51:05,199 INFO L175 Difference]: Start difference. First operand has 205 places, 206 transitions, 433 flow. Second operand 3 states and 668 transitions. [2023-11-26 11:51:05,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 200 transitions, 534 flow [2023-11-26 11:51:05,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 200 transitions, 529 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-11-26 11:51:05,207 INFO L231 Difference]: Finished difference. Result has 187 places, 189 transitions, 470 flow [2023-11-26 11:51:05,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=187, PETRI_TRANSITIONS=189} [2023-11-26 11:51:05,210 INFO L281 CegarLoopForPetriNet]: 205 programPoint places, -18 predicate places. [2023-11-26 11:51:05,210 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 189 transitions, 470 flow [2023-11-26 11:51:05,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 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) [2023-11-26 11:51:05,211 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:05,212 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:05,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:51:05,212 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2023-11-26 11:51:05,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:05,213 INFO L85 PathProgramCache]: Analyzing trace with hash 894358413, now seen corresponding path program 1 times [2023-11-26 11:51:05,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:05,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925185569] [2023-11-26 11:51:05,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:05,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:05,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:05,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925185569] [2023-11-26 11:51:05,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925185569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:05,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:05,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:05,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846725206] [2023-11-26 11:51:05,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:05,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:51:05,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:05,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:05,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:05,312 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 259 [2023-11-26 11:51:05,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 189 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 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) [2023-11-26 11:51:05,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:05,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 259 [2023-11-26 11:51:05,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:23,958 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([743] L695-4-->L695-5: Formula: (= |v_#race~a~0_4| |v_thr2Thread1of3ForFork0_#t~nondet3_3|) InVars {thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|} OutVars{thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|, #race~a~0=|v_#race~a~0_4|} AuxVars[] AssignedVars[#race~a~0][86], [265#(= |#race~b~0| 0), thr2Thread1of3ForFork0InUse, Black: 259#(= |#race~a~0| 0), 77#L694-2true, thr2Thread2of3ForFork0InUse, 28#L694-2true, 257#true, thr2Thread3of3ForFork0InUse, 186#L717-4true, thr1Thread1of3ForFork1InUse, 108#L695-5true, 150#L707-3true]) [2023-11-26 11:51:23,958 INFO L294 olderBase$Statistics]: this new event has 113 ancestors and is cut-off event [2023-11-26 11:51:23,959 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 11:51:23,959 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-26 11:51:23,959 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2023-11-26 11:51:24,732 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([743] L695-4-->L695-5: Formula: (= |v_#race~a~0_4| |v_thr2Thread1of3ForFork0_#t~nondet3_3|) InVars {thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|} OutVars{thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|, #race~a~0=|v_#race~a~0_4|} AuxVars[] AssignedVars[#race~a~0][86], [265#(= |#race~b~0| 0), thr2Thread1of3ForFork0InUse, Black: 259#(= |#race~a~0| 0), 77#L694-2true, 145#L707-4true, thr2Thread2of3ForFork0InUse, 28#L694-2true, thr2Thread3of3ForFork0InUse, 257#true, 186#L717-4true, thr1Thread1of3ForFork1InUse, 108#L695-5true]) [2023-11-26 11:51:24,732 INFO L294 olderBase$Statistics]: this new event has 114 ancestors and is cut-off event [2023-11-26 11:51:24,733 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2023-11-26 11:51:24,733 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-26 11:51:24,733 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-26 11:51:25,618 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([830] L695-->L695-1: Formula: (= |v_#race~b~0_1| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_1|} AuxVars[] AssignedVars[#race~b~0][156], [265#(= |#race~b~0| 0), 194#L695-1true, Black: 257#true, thr2Thread1of3ForFork0InUse, thr2Thread2of3ForFork0InUse, 28#L694-2true, thr2Thread3of3ForFork0InUse, 186#L717-4true, 148#L706-3true, 53#L695-1true, 259#(= |#race~a~0| 0), thr1Thread1of3ForFork1InUse]) [2023-11-26 11:51:25,618 INFO L294 olderBase$Statistics]: this new event has 121 ancestors and is cut-off event [2023-11-26 11:51:25,618 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-26 11:51:25,618 INFO L297 olderBase$Statistics]: existing Event has 98 ancestors and is cut-off event [2023-11-26 11:51:25,618 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-26 11:51:25,674 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([743] L695-4-->L695-5: Formula: (= |v_#race~a~0_4| |v_thr2Thread1of3ForFork0_#t~nondet3_3|) InVars {thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|} OutVars{thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|, #race~a~0=|v_#race~a~0_4|} AuxVars[] AssignedVars[#race~a~0][86], [265#(= |#race~b~0| 0), thr2Thread1of3ForFork0InUse, Black: 259#(= |#race~a~0| 0), 77#L694-2true, thr2Thread2of3ForFork0InUse, 28#L694-2true, 31#L708-2true, thr2Thread3of3ForFork0InUse, 257#true, 186#L717-4true, thr1Thread1of3ForFork1InUse, 108#L695-5true]) [2023-11-26 11:51:25,674 INFO L294 olderBase$Statistics]: this new event has 116 ancestors and is cut-off event [2023-11-26 11:51:25,674 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-26 11:51:25,674 INFO L297 olderBase$Statistics]: existing Event has 83 ancestors and is cut-off event [2023-11-26 11:51:25,675 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2023-11-26 11:51:26,504 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([892] L707-->L707-1: Formula: (= |v_#race~a~0_7| 0) InVars {} OutVars{#race~a~0=|v_#race~a~0_7|} AuxVars[] AssignedVars[#race~a~0][59], [265#(= |#race~b~0| 0), 194#L695-1true, 240#L707-1true, Black: 257#true, thr2Thread1of3ForFork0InUse, thr2Thread2of3ForFork0InUse, 77#L694-2true, 28#L694-2true, thr2Thread3of3ForFork0InUse, 259#(= |#race~a~0| 0), 186#L717-4true, thr1Thread1of3ForFork1InUse]) [2023-11-26 11:51:26,505 INFO L294 olderBase$Statistics]: this new event has 117 ancestors and is cut-off event [2023-11-26 11:51:26,505 INFO L297 olderBase$Statistics]: existing Event has 84 ancestors and is cut-off event [2023-11-26 11:51:26,505 INFO L297 olderBase$Statistics]: existing Event has 94 ancestors and is cut-off event [2023-11-26 11:51:26,505 INFO L297 olderBase$Statistics]: existing Event has 117 ancestors and is cut-off event [2023-11-26 11:51:26,506 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([743] L695-4-->L695-5: Formula: (= |v_#race~a~0_4| |v_thr2Thread1of3ForFork0_#t~nondet3_3|) InVars {thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|} OutVars{thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|, #race~a~0=|v_#race~a~0_4|} AuxVars[] AssignedVars[#race~a~0][86], [265#(= |#race~b~0| 0), thr2Thread1of3ForFork0InUse, Black: 259#(= |#race~a~0| 0), 77#L694-2true, thr2Thread2of3ForFork0InUse, 257#true, thr2Thread3of3ForFork0InUse, 186#L717-4true, 148#L706-3true, thr1Thread1of3ForFork1InUse, 108#L695-5true, 127#L694-1true]) [2023-11-26 11:51:26,506 INFO L294 olderBase$Statistics]: this new event has 118 ancestors and is cut-off event [2023-11-26 11:51:26,506 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2023-11-26 11:51:26,507 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:51:26,507 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 11:51:26,511 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([830] L695-->L695-1: Formula: (= |v_#race~b~0_1| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_1|} AuxVars[] AssignedVars[#race~b~0][156], [130#L695-2true, 265#(= |#race~b~0| 0), Black: 257#true, thr2Thread1of3ForFork0InUse, thr2Thread2of3ForFork0InUse, 28#L694-2true, thr2Thread3of3ForFork0InUse, 186#L717-4true, 148#L706-3true, 259#(= |#race~a~0| 0), 53#L695-1true, thr1Thread1of3ForFork1InUse]) [2023-11-26 11:51:26,512 INFO L294 olderBase$Statistics]: this new event has 122 ancestors and is cut-off event [2023-11-26 11:51:26,512 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-26 11:51:26,512 INFO L297 olderBase$Statistics]: existing Event has 79 ancestors and is cut-off event [2023-11-26 11:51:26,512 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is cut-off event [2023-11-26 11:51:26,882 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([743] L695-4-->L695-5: Formula: (= |v_#race~a~0_4| |v_thr2Thread1of3ForFork0_#t~nondet3_3|) InVars {thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|} OutVars{thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|, #race~a~0=|v_#race~a~0_4|} AuxVars[] AssignedVars[#race~a~0][86], [265#(= |#race~b~0| 0), thr2Thread1of3ForFork0InUse, Black: 259#(= |#race~a~0| 0), 77#L694-2true, thr2Thread2of3ForFork0InUse, 28#L694-2true, 257#true, thr2Thread3of3ForFork0InUse, 186#L717-4true, 148#L706-3true, thr1Thread1of3ForFork1InUse, 108#L695-5true]) [2023-11-26 11:51:26,882 INFO L294 olderBase$Statistics]: this new event has 119 ancestors and is cut-off event [2023-11-26 11:51:26,883 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2023-11-26 11:51:26,883 INFO L297 olderBase$Statistics]: existing Event has 76 ancestors and is cut-off event [2023-11-26 11:51:26,883 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2023-11-26 11:51:27,309 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([743] L695-4-->L695-5: Formula: (= |v_#race~a~0_4| |v_thr2Thread1of3ForFork0_#t~nondet3_3|) InVars {thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|} OutVars{thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|, #race~a~0=|v_#race~a~0_4|} AuxVars[] AssignedVars[#race~a~0][86], [265#(= |#race~b~0| 0), thr2Thread1of3ForFork0InUse, Black: 259#(= |#race~a~0| 0), 77#L694-2true, thr2Thread2of3ForFork0InUse, 28#L694-2true, 257#true, thr2Thread3of3ForFork0InUse, 186#L717-4true, 148#L706-3true, thr1Thread1of3ForFork1InUse, 108#L695-5true]) [2023-11-26 11:51:27,309 INFO L294 olderBase$Statistics]: this new event has 119 ancestors and is cut-off event [2023-11-26 11:51:27,310 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2023-11-26 11:51:27,310 INFO L297 olderBase$Statistics]: existing Event has 76 ancestors and is cut-off event [2023-11-26 11:51:27,310 INFO L297 olderBase$Statistics]: existing Event has 119 ancestors and is cut-off event [2023-11-26 11:51:27,310 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2023-11-26 11:51:27,310 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([743] L695-4-->L695-5: Formula: (= |v_#race~a~0_4| |v_thr2Thread1of3ForFork0_#t~nondet3_3|) InVars {thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|} OutVars{thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|, #race~a~0=|v_#race~a~0_4|} AuxVars[] AssignedVars[#race~a~0][86], [265#(= |#race~b~0| 0), 113#L694-1true, thr2Thread1of3ForFork0InUse, Black: 259#(= |#race~a~0| 0), thr2Thread2of3ForFork0InUse, 28#L694-2true, 257#true, thr2Thread3of3ForFork0InUse, 186#L717-4true, 148#L706-3true, thr1Thread1of3ForFork1InUse, 108#L695-5true]) [2023-11-26 11:51:27,310 INFO L294 olderBase$Statistics]: this new event has 118 ancestors and is cut-off event [2023-11-26 11:51:27,310 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 11:51:27,310 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:51:27,311 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2023-11-26 11:51:29,103 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([830] L695-->L695-1: Formula: (= |v_#race~b~0_1| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_1|} AuxVars[] AssignedVars[#race~b~0][156], [265#(= |#race~b~0| 0), Black: 257#true, thr2Thread1of3ForFork0InUse, thr2Thread2of3ForFork0InUse, 135#L695-2true, thr2Thread3of3ForFork0InUse, 259#(= |#race~a~0| 0), 186#L717-4true, 53#L695-1true, 148#L706-3true, thr1Thread1of3ForFork1InUse, 108#L695-5true]) [2023-11-26 11:51:29,103 INFO L294 olderBase$Statistics]: this new event has 122 ancestors and is cut-off event [2023-11-26 11:51:29,103 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is cut-off event [2023-11-26 11:51:29,104 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-26 11:51:29,104 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-26 11:51:32,421 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([895] L707-2-->L707-3: Formula: (= |v_#race~b~0_7| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_7|} AuxVars[] AssignedVars[#race~b~0][36], [265#(= |#race~b~0| 0), 27#L693-3true, thr2Thread1of3ForFork0InUse, Black: 257#true, thr2Thread2of3ForFork0InUse, thr2Thread3of3ForFork0InUse, 259#(= |#race~a~0| 0), 186#L717-4true, thr1Thread1of3ForFork1InUse, 95#thr2Err0ASSERT_VIOLATIONDATA_RACEtrue, 150#L707-3true, 55#L695-5true]) [2023-11-26 11:51:32,422 INFO L294 olderBase$Statistics]: this new event has 143 ancestors and is cut-off event [2023-11-26 11:51:32,422 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2023-11-26 11:51:32,422 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2023-11-26 11:51:32,422 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2023-11-26 11:51:32,459 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([775] L694-->L694-1: Formula: (= |v_#race~a~0_1| 0) InVars {} OutVars{#race~a~0=|v_#race~a~0_1|} AuxVars[] AssignedVars[#race~a~0][83], [240#L707-1true, thr2Thread1of3ForFork0InUse, Black: 257#true, thr2Thread2of3ForFork0InUse, thr2Thread3of3ForFork0InUse, 259#(= |#race~a~0| 0), 186#L717-4true, thr1Thread1of3ForFork1InUse, 127#L694-1true, 95#thr2Err0ASSERT_VIOLATIONDATA_RACEtrue, 263#true, 55#L695-5true]) [2023-11-26 11:51:32,459 INFO L294 olderBase$Statistics]: this new event has 143 ancestors and is cut-off event [2023-11-26 11:51:32,459 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2023-11-26 11:51:32,459 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2023-11-26 11:51:32,459 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2023-11-26 11:51:32,460 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([775] L694-->L694-1: Formula: (= |v_#race~a~0_1| 0) InVars {} OutVars{#race~a~0=|v_#race~a~0_1|} AuxVars[] AssignedVars[#race~a~0][83], [thr2Thread1of3ForFork0InUse, Black: 257#true, thr2Thread2of3ForFork0InUse, thr2Thread3of3ForFork0InUse, 259#(= |#race~a~0| 0), 133#L707-2true, 186#L717-4true, thr1Thread1of3ForFork1InUse, 127#L694-1true, 95#thr2Err0ASSERT_VIOLATIONDATA_RACEtrue, 263#true, 55#L695-5true]) [2023-11-26 11:51:32,460 INFO L294 olderBase$Statistics]: this new event has 144 ancestors and is cut-off event [2023-11-26 11:51:32,460 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2023-11-26 11:51:32,460 INFO L297 olderBase$Statistics]: existing Event has 121 ancestors and is cut-off event [2023-11-26 11:51:32,460 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2023-11-26 11:51:32,563 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([895] L707-2-->L707-3: Formula: (= |v_#race~b~0_7| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_7|} AuxVars[] AssignedVars[#race~b~0][65], [146#L695-5true, 265#(= |#race~b~0| 0), 26#L698-3true, thr2Thread1of3ForFork0InUse, Black: 257#true, thr2Thread2of3ForFork0InUse, thr2Thread3of3ForFork0InUse, 259#(= |#race~a~0| 0), 186#L717-4true, thr1Thread1of3ForFork1InUse, 48#L698-3true, 150#L707-3true]) [2023-11-26 11:51:32,563 INFO L294 olderBase$Statistics]: this new event has 144 ancestors and is cut-off event [2023-11-26 11:51:32,563 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-26 11:51:32,564 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-26 11:51:32,564 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-26 11:51:32,759 INFO L124 PetriNetUnfolderBase]: 53663/169586 cut-off events. [2023-11-26 11:51:32,759 INFO L125 PetriNetUnfolderBase]: For 11349/11523 co-relation queries the response was YES.