./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 527bcce2 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_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/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_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx --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 0.2.3-dev-527bcce [2023-11-21 20:57:37,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:57:37,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 20:57:37,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:57:37,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:57:37,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:57:37,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:57:37,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:57:37,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:57:37,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:57:37,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:57:37,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:57:37,254 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:57:37,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:57:37,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:57:37,257 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:57:37,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:57:37,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:57:37,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:57:37,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:57:37,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:57:37,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:57:37,260 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 20:57:37,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 20:57:37,261 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:57:37,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:57:37,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:57:37,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:57:37,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:57:37,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:57:37,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:57:37,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:57:37,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:57:37,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:57:37,267 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:57:37,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:57:37,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:57:37,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:57:37,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:57:37,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:57:37,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:57:37,269 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_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 389f5b7d6579b5ac06564f3c82f3f69fea502868b761df6187d49f96e1a317cd [2023-11-21 20:57:37,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:57:37,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:57:37,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:57:37,690 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:57:37,690 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:57:37,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs-pthread.i [2023-11-21 20:57:40,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:57:41,252 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:57:41,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/sv-benchmarks/c/pthread-ext/31_simple_loop5_vs-pthread.i [2023-11-21 20:57:41,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/data/1d68203cd/cbab3b5291eb4a3b9a19b40df190ef09/FLAG930b68f1f [2023-11-21 20:57:41,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/data/1d68203cd/cbab3b5291eb4a3b9a19b40df190ef09 [2023-11-21 20:57:41,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:57:41,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:57:41,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:41,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:57:41,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:57:41,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b41f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41, skipping insertion in model container [2023-11-21 20:57:41,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,341 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:57:41,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:41,722 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:57:41,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:41,812 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:57:41,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41 WrapperNode [2023-11-21 20:57:41,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:41,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:41,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:57:41,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:57:41,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,857 INFO L138 Inliner]: procedures = 163, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-11-21 20:57:41,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:41,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:57:41,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:57:41,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:57:41,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:57:41,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:57:41,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:57:41,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:57:41,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41" (1/1) ... [2023-11-21 20:57:41,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:57:41,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:41,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:41,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69853731-ea86-44a4-a247-495bc3e6de28/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:57:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-21 20:57:41,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-21 20:57:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 20:57:41,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 20:57:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 20:57:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 20:57:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:57:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 20:57:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 20:57:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 20:57:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 20:57:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:57:41,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:57:41,982 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 20:57:42,152 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:57:42,155 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:57:42,379 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:57:42,406 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:57:42,407 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 20:57:42,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:42 BoogieIcfgContainer [2023-11-21 20:57:42,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:57:42,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:57:42,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:57:42,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:57:42,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:57:41" (1/3) ... [2023-11-21 20:57:42,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c03dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:57:42, skipping insertion in model container [2023-11-21 20:57:42,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:41" (2/3) ... [2023-11-21 20:57:42,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c03dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:57:42, skipping insertion in model container [2023-11-21 20:57:42,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:42" (3/3) ... [2023-11-21 20:57:42,419 INFO L112 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs-pthread.i [2023-11-21 20:57:42,426 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 20:57:42,435 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:57:42,435 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-21 20:57:42,435 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 20:57:42,523 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 20:57:42,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 113 transitions, 234 flow [2023-11-21 20:57:42,670 INFO L124 PetriNetUnfolderBase]: 8/123 cut-off events. [2023-11-21 20:57:42,670 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 20:57:42,678 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. [2023-11-21 20:57:42,679 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 113 transitions, 234 flow [2023-11-21 20:57:42,690 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 112 transitions, 231 flow [2023-11-21 20:57:42,703 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:57:42,712 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;@244750bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:57:42,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-11-21 20:57:42,729 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 20:57:42,730 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2023-11-21 20:57:42,730 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 20:57:42,730 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:57:42,731 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] [2023-11-21 20:57:42,732 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-21 20:57:42,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:42,743 INFO L85 PathProgramCache]: Analyzing trace with hash -323765285, now seen corresponding path program 1 times [2023-11-21 20:57:42,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:42,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821957957] [2023-11-21 20:57:42,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:42,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:43,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:43,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821957957] [2023-11-21 20:57:43,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821957957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:43,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:43,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:57:43,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467371682] [2023-11-21 20:57:43,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:43,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:57:43,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:43,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:57:43,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:57:43,167 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 113 [2023-11-21 20:57:43,172 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) [2023-11-21 20:57:43,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:57:43,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 113 [2023-11-21 20:57:43,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:57:43,356 INFO L124 PetriNetUnfolderBase]: 48/357 cut-off events. [2023-11-21 20:57:43,356 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-21 20:57:43,362 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. [2023-11-21 20:57:43,366 INFO L140 encePairwiseOnDemand]: 99/113 looper letters, 16 selfloop transitions, 4 changer transitions 0/99 dead transitions. [2023-11-21 20:57:43,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 99 transitions, 248 flow [2023-11-21 20:57:43,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:57:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:57:43,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2023-11-21 20:57:43,386 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9174041297935103 [2023-11-21 20:57:43,387 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 311 transitions. [2023-11-21 20:57:43,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 311 transitions. [2023-11-21 20:57:43,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:43,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 311 transitions. [2023-11-21 20:57:43,398 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) [2023-11-21 20:57:43,404 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) [2023-11-21 20:57:43,404 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) [2023-11-21 20:57:43,407 INFO L175 Difference]: Start difference. First operand has 111 places, 112 transitions, 231 flow. Second operand 3 states and 311 transitions. [2023-11-21 20:57:43,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 99 transitions, 248 flow [2023-11-21 20:57:43,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 99 transitions, 247 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 20:57:43,417 INFO L231 Difference]: Finished difference. Result has 98 places, 94 transitions, 218 flow [2023-11-21 20:57:43,420 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} [2023-11-21 20:57:43,424 INFO L281 CegarLoopForPetriNet]: 111 programPoint places, -13 predicate places. [2023-11-21 20:57:43,425 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 94 transitions, 218 flow [2023-11-21 20:57:43,425 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) [2023-11-21 20:57:43,426 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:57:43,426 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] [2023-11-21 20:57:43,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 20:57:43,427 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-21 20:57:43,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:43,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1900781955, now seen corresponding path program 1 times [2023-11-21 20:57:43,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:43,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071824856] [2023-11-21 20:57:43,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:43,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:43,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:43,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:43,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071824856] [2023-11-21 20:57:43,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071824856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:43,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:43,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:57:43,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850704780] [2023-11-21 20:57:43,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:43,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:57:43,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:43,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:57:43,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:57:43,580 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 113 [2023-11-21 20:57:43,581 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) [2023-11-21 20:57:43,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:57:43,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 113 [2023-11-21 20:57:43,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:57:43,847 INFO L124 PetriNetUnfolderBase]: 91/627 cut-off events. [2023-11-21 20:57:43,848 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-11-21 20:57:43,852 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. [2023-11-21 20:57:43,857 INFO L140 encePairwiseOnDemand]: 107/113 looper letters, 16 selfloop transitions, 4 changer transitions 0/101 dead transitions. [2023-11-21 20:57:43,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 101 transitions, 275 flow [2023-11-21 20:57:43,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:57:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:57:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 295 transitions. [2023-11-21 20:57:43,860 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8702064896755162 [2023-11-21 20:57:43,861 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 295 transitions. [2023-11-21 20:57:43,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 295 transitions. [2023-11-21 20:57:43,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:43,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 295 transitions. [2023-11-21 20:57:43,863 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) [2023-11-21 20:57:43,865 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) [2023-11-21 20:57:43,866 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) [2023-11-21 20:57:43,866 INFO L175 Difference]: Start difference. First operand has 98 places, 94 transitions, 218 flow. Second operand 3 states and 295 transitions. [2023-11-21 20:57:43,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 101 transitions, 275 flow [2023-11-21 20:57:43,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 101 transitions, 267 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 20:57:43,872 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 238 flow [2023-11-21 20:57:43,872 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} [2023-11-21 20:57:43,873 INFO L281 CegarLoopForPetriNet]: 111 programPoint places, -12 predicate places. [2023-11-21 20:57:43,874 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 238 flow [2023-11-21 20:57:43,874 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) [2023-11-21 20:57:43,874 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:57:43,875 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] [2023-11-21 20:57:43,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 20:57:43,875 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)] === [2023-11-21 20:57:43,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:43,876 INFO L85 PathProgramCache]: Analyzing trace with hash 293263945, now seen corresponding path program 1 times [2023-11-21 20:57:43,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:43,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476021551] [2023-11-21 20:57:43,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:43,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:43,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:43,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:43,972 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 20:57:43,974 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 22 remaining) [2023-11-21 20:57:43,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2023-11-21 20:57:43,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2023-11-21 20:57:43,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2023-11-21 20:57:43,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2023-11-21 20:57:43,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2023-11-21 20:57:43,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2023-11-21 20:57:43,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2023-11-21 20:57:43,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2023-11-21 20:57:43,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2023-11-21 20:57:43,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2023-11-21 20:57:43,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 22 remaining) [2023-11-21 20:57:43,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2023-11-21 20:57:43,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2023-11-21 20:57:43,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2023-11-21 20:57:43,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2023-11-21 20:57:43,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2023-11-21 20:57:43,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2023-11-21 20:57:43,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2023-11-21 20:57:43,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2023-11-21 20:57:43,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2023-11-21 20:57:43,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2023-11-21 20:57:43,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 20:57:43,989 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-21 20:57:43,993 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-21 20:57:43,994 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-21 20:57:44,087 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 20:57:44,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 183 places, 186 transitions, 392 flow [2023-11-21 20:57:44,135 INFO L124 PetriNetUnfolderBase]: 11/183 cut-off events. [2023-11-21 20:57:44,135 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-21 20:57:44,138 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. [2023-11-21 20:57:44,139 INFO L82 GeneralOperation]: Start removeDead. Operand has 183 places, 186 transitions, 392 flow [2023-11-21 20:57:44,144 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 159 transitions, 331 flow [2023-11-21 20:57:44,146 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:57:44,148 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;@244750bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:57:44,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2023-11-21 20:57:44,159 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 20:57:44,160 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2023-11-21 20:57:44,160 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 20:57:44,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:57:44,161 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] [2023-11-21 20:57:44,162 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-21 20:57:44,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:44,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1828795427, now seen corresponding path program 1 times [2023-11-21 20:57:44,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:44,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146901135] [2023-11-21 20:57:44,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:44,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:44,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:44,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:44,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146901135] [2023-11-21 20:57:44,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146901135] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:44,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:44,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:57:44,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608460033] [2023-11-21 20:57:44,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:44,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:57:44,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:44,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:57:44,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:57:44,361 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 186 [2023-11-21 20:57:44,362 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) [2023-11-21 20:57:44,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:57:44,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 186 [2023-11-21 20:57:44,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:57:45,266 INFO L124 PetriNetUnfolderBase]: 861/3680 cut-off events. [2023-11-21 20:57:45,267 INFO L125 PetriNetUnfolderBase]: For 152/152 co-relation queries the response was YES. [2023-11-21 20:57:45,353 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. [2023-11-21 20:57:45,392 INFO L140 encePairwiseOnDemand]: 165/186 looper letters, 28 selfloop transitions, 8 changer transitions 0/151 dead transitions. [2023-11-21 20:57:45,392 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 151 transitions, 395 flow [2023-11-21 20:57:45,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:57:45,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:57:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 491 transitions. [2023-11-21 20:57:45,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8799283154121864 [2023-11-21 20:57:45,397 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 491 transitions. [2023-11-21 20:57:45,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 491 transitions. [2023-11-21 20:57:45,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:45,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 491 transitions. [2023-11-21 20:57:45,401 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) [2023-11-21 20:57:45,404 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) [2023-11-21 20:57:45,405 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) [2023-11-21 20:57:45,406 INFO L175 Difference]: Start difference. First operand has 158 places, 159 transitions, 331 flow. Second operand 3 states and 491 transitions. [2023-11-21 20:57:45,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 151 transitions, 395 flow [2023-11-21 20:57:45,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 151 transitions, 394 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 20:57:45,416 INFO L231 Difference]: Finished difference. Result has 143 places, 143 transitions, 352 flow [2023-11-21 20:57:45,417 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} [2023-11-21 20:57:45,421 INFO L281 CegarLoopForPetriNet]: 158 programPoint places, -15 predicate places. [2023-11-21 20:57:45,421 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 143 transitions, 352 flow [2023-11-21 20:57:45,422 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) [2023-11-21 20:57:45,422 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:57:45,422 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] [2023-11-21 20:57:45,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 20:57:45,423 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-21 20:57:45,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:45,424 INFO L85 PathProgramCache]: Analyzing trace with hash 830800325, now seen corresponding path program 1 times [2023-11-21 20:57:45,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:45,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950695282] [2023-11-21 20:57:45,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:45,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:45,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:45,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950695282] [2023-11-21 20:57:45,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950695282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:45,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:45,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:57:45,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987291509] [2023-11-21 20:57:45,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:45,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:57:45,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:45,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:57:45,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:57:45,566 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 186 [2023-11-21 20:57:45,567 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) [2023-11-21 20:57:45,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:57:45,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 186 [2023-11-21 20:57:45,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:57:48,330 INFO L124 PetriNetUnfolderBase]: 2765/11506 cut-off events. [2023-11-21 20:57:48,330 INFO L125 PetriNetUnfolderBase]: For 708/711 co-relation queries the response was YES. [2023-11-21 20:57:48,428 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. [2023-11-21 20:57:48,530 INFO L140 encePairwiseOnDemand]: 175/186 looper letters, 28 selfloop transitions, 8 changer transitions 0/159 dead transitions. [2023-11-21 20:57:48,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 159 transitions, 464 flow [2023-11-21 20:57:48,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:57:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:57:48,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2023-11-21 20:57:48,541 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8440860215053764 [2023-11-21 20:57:48,541 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 471 transitions. [2023-11-21 20:57:48,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 471 transitions. [2023-11-21 20:57:48,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:48,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 471 transitions. [2023-11-21 20:57:48,544 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) [2023-11-21 20:57:48,547 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) [2023-11-21 20:57:48,548 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) [2023-11-21 20:57:48,548 INFO L175 Difference]: Start difference. First operand has 143 places, 143 transitions, 352 flow. Second operand 3 states and 471 transitions. [2023-11-21 20:57:48,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 159 transitions, 464 flow [2023-11-21 20:57:48,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 159 transitions, 448 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 20:57:48,569 INFO L231 Difference]: Finished difference. Result has 145 places, 151 transitions, 406 flow [2023-11-21 20:57:48,570 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} [2023-11-21 20:57:48,572 INFO L281 CegarLoopForPetriNet]: 158 programPoint places, -13 predicate places. [2023-11-21 20:57:48,572 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 151 transitions, 406 flow [2023-11-21 20:57:48,573 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) [2023-11-21 20:57:48,573 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:57:48,574 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] [2023-11-21 20:57:48,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 20:57:48,575 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-21 20:57:48,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:48,576 INFO L85 PathProgramCache]: Analyzing trace with hash -770119148, now seen corresponding path program 1 times [2023-11-21 20:57:48,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:48,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092604460] [2023-11-21 20:57:48,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:48,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:48,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:48,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092604460] [2023-11-21 20:57:48,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092604460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:48,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:48,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:57:48,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645341860] [2023-11-21 20:57:48,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:48,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:57:48,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:48,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:57:48,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:57:48,680 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 186 [2023-11-21 20:57:48,681 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) [2023-11-21 20:57:48,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:57:48,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 186 [2023-11-21 20:57:48,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:57:50,976 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]) [2023-11-21 20:57:50,977 INFO L294 olderBase$Statistics]: this new event has 102 ancestors and is cut-off event [2023-11-21 20:57:50,977 INFO L297 olderBase$Statistics]: existing Event has 102 ancestors and is cut-off event [2023-11-21 20:57:50,977 INFO L297 olderBase$Statistics]: existing Event has 102 ancestors and is cut-off event [2023-11-21 20:57:50,977 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-21 20:57:51,441 INFO L124 PetriNetUnfolderBase]: 3513/14765 cut-off events. [2023-11-21 20:57:51,441 INFO L125 PetriNetUnfolderBase]: For 912/917 co-relation queries the response was YES. [2023-11-21 20:57:51,546 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. [2023-11-21 20:57:51,645 INFO L140 encePairwiseOnDemand]: 180/186 looper letters, 21 selfloop transitions, 5 changer transitions 0/160 dead transitions. [2023-11-21 20:57:51,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 160 transitions, 481 flow [2023-11-21 20:57:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:57:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:57:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2023-11-21 20:57:51,649 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8548387096774194 [2023-11-21 20:57:51,649 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 477 transitions. [2023-11-21 20:57:51,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 477 transitions. [2023-11-21 20:57:51,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:51,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 477 transitions. [2023-11-21 20:57:51,653 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) [2023-11-21 20:57:51,655 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) [2023-11-21 20:57:51,656 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) [2023-11-21 20:57:51,656 INFO L175 Difference]: Start difference. First operand has 145 places, 151 transitions, 406 flow. Second operand 3 states and 477 transitions. [2023-11-21 20:57:51,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 160 transitions, 481 flow [2023-11-21 20:57:51,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 160 transitions, 465 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 20:57:51,670 INFO L231 Difference]: Finished difference. Result has 147 places, 155 transitions, 428 flow [2023-11-21 20:57:51,671 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} [2023-11-21 20:57:51,672 INFO L281 CegarLoopForPetriNet]: 158 programPoint places, -11 predicate places. [2023-11-21 20:57:51,672 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 155 transitions, 428 flow [2023-11-21 20:57:51,673 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) [2023-11-21 20:57:51,673 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:57:51,674 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] [2023-11-21 20:57:51,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 20:57:51,674 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)] === [2023-11-21 20:57:51,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:51,675 INFO L85 PathProgramCache]: Analyzing trace with hash 2141345099, now seen corresponding path program 1 times [2023-11-21 20:57:51,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:51,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065842340] [2023-11-21 20:57:51,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:51,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:51,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:51,841 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:51,848 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 20:57:51,849 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 32 remaining) [2023-11-21 20:57:51,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2023-11-21 20:57:51,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2023-11-21 20:57:51,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2023-11-21 20:57:51,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2023-11-21 20:57:51,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2023-11-21 20:57:51,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2023-11-21 20:57:51,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2023-11-21 20:57:51,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2023-11-21 20:57:51,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2023-11-21 20:57:51,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2023-11-21 20:57:51,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 32 remaining) [2023-11-21 20:57:51,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2023-11-21 20:57:51,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2023-11-21 20:57:51,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2023-11-21 20:57:51,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2023-11-21 20:57:51,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2023-11-21 20:57:51,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining) [2023-11-21 20:57:51,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (13 of 32 remaining) [2023-11-21 20:57:51,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (12 of 32 remaining) [2023-11-21 20:57:51,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (11 of 32 remaining) [2023-11-21 20:57:51,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (10 of 32 remaining) [2023-11-21 20:57:51,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2023-11-21 20:57:51,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2023-11-21 20:57:51,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2023-11-21 20:57:51,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2023-11-21 20:57:51,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2023-11-21 20:57:51,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2023-11-21 20:57:51,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2023-11-21 20:57:51,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2023-11-21 20:57:51,862 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2023-11-21 20:57:51,863 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2023-11-21 20:57:51,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 20:57:51,867 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-21 20:57:51,869 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-21 20:57:51,869 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-21 20:57:51,961 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 20:57:51,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 254 places, 259 transitions, 554 flow [2023-11-21 20:57:52,049 INFO L124 PetriNetUnfolderBase]: 14/243 cut-off events. [2023-11-21 20:57:52,049 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-21 20:57:52,053 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. [2023-11-21 20:57:52,053 INFO L82 GeneralOperation]: Start removeDead. Operand has 254 places, 259 transitions, 554 flow [2023-11-21 20:57:52,058 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 205 places, 206 transitions, 433 flow [2023-11-21 20:57:52,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:57:52,061 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;@244750bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:57:52,061 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2023-11-21 20:57:52,068 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 20:57:52,069 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2023-11-21 20:57:52,069 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 20:57:52,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:57:52,070 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] [2023-11-21 20:57:52,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2023-11-21 20:57:52,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:52,071 INFO L85 PathProgramCache]: Analyzing trace with hash 850091691, now seen corresponding path program 1 times [2023-11-21 20:57:52,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:52,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833896050] [2023-11-21 20:57:52,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:52,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:52,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:52,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833896050] [2023-11-21 20:57:52,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833896050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:52,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:52,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:57:52,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47582174] [2023-11-21 20:57:52,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:52,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:57:52,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:52,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:57:52,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:57:52,184 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 259 [2023-11-21 20:57:52,186 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) [2023-11-21 20:57:52,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:57:52,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 259 [2023-11-21 20:57:52,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:57:58,456 INFO L124 PetriNetUnfolderBase]: 10632/33037 cut-off events. [2023-11-21 20:57:58,457 INFO L125 PetriNetUnfolderBase]: For 2746/2746 co-relation queries the response was YES. [2023-11-21 20:57:58,673 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. [2023-11-21 20:57:59,109 INFO L140 encePairwiseOnDemand]: 232/259 looper letters, 38 selfloop transitions, 11 changer transitions 0/200 dead transitions. [2023-11-21 20:57:59,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 200 transitions, 534 flow [2023-11-21 20:57:59,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:57:59,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 20:57:59,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 668 transitions. [2023-11-21 20:57:59,114 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8597168597168597 [2023-11-21 20:57:59,114 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 668 transitions. [2023-11-21 20:57:59,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 668 transitions. [2023-11-21 20:57:59,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:59,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 668 transitions. [2023-11-21 20:57:59,119 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) [2023-11-21 20:57:59,123 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) [2023-11-21 20:57:59,124 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) [2023-11-21 20:57:59,124 INFO L175 Difference]: Start difference. First operand has 205 places, 206 transitions, 433 flow. Second operand 3 states and 668 transitions. [2023-11-21 20:57:59,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 200 transitions, 534 flow [2023-11-21 20:57:59,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 200 transitions, 529 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-11-21 20:57:59,134 INFO L231 Difference]: Finished difference. Result has 187 places, 189 transitions, 470 flow [2023-11-21 20:57:59,135 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} [2023-11-21 20:57:59,137 INFO L281 CegarLoopForPetriNet]: 205 programPoint places, -18 predicate places. [2023-11-21 20:57:59,138 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 189 transitions, 470 flow [2023-11-21 20:57:59,139 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) [2023-11-21 20:57:59,139 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 20:57:59,139 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] [2023-11-21 20:57:59,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 20:57:59,140 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2023-11-21 20:57:59,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:59,141 INFO L85 PathProgramCache]: Analyzing trace with hash 894358413, now seen corresponding path program 1 times [2023-11-21 20:57:59,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:59,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552779071] [2023-11-21 20:57:59,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:59,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:59,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:59,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:59,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552779071] [2023-11-21 20:57:59,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552779071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:59,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:59,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:57:59,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762046996] [2023-11-21 20:57:59,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:59,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 20:57:59,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:59,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:57:59,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:57:59,269 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 259 [2023-11-21 20:57:59,271 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) [2023-11-21 20:57:59,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 20:57:59,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 259 [2023-11-21 20:57:59,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 20:58:20,403 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([743] L695-4-->L695-5: Formula: (= |v_#race~a~0_4| |v_thr2Thread1of3ForFork0_#t~nondet3_3|) InVars {thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|} OutVars{thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|, #race~a~0=|v_#race~a~0_4|} AuxVars[] AssignedVars[#race~a~0][86], [265#(= |#race~b~0| 0), thr2Thread1of3ForFork0InUse, Black: 259#(= |#race~a~0| 0), 77#L694-2true, thr2Thread2of3ForFork0InUse, 28#L694-2true, 257#true, thr2Thread3of3ForFork0InUse, 186#L717-4true, thr1Thread1of3ForFork1InUse, 108#L695-5true, 150#L707-3true]) [2023-11-21 20:58:20,403 INFO L294 olderBase$Statistics]: this new event has 113 ancestors and is cut-off event [2023-11-21 20:58:20,403 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-21 20:58:20,403 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-21 20:58:20,403 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2023-11-21 20:58:20,800 INFO L292 olderBase$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]) [2023-11-21 20:58:20,801 INFO L294 olderBase$Statistics]: this new event has 114 ancestors and is cut-off event [2023-11-21 20:58:20,801 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2023-11-21 20:58:20,801 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-21 20:58:20,801 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-21 20:58:22,364 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([830] L695-->L695-1: Formula: (= |v_#race~b~0_1| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_1|} AuxVars[] AssignedVars[#race~b~0][156], [265#(= |#race~b~0| 0), 194#L695-1true, Black: 257#true, thr2Thread1of3ForFork0InUse, thr2Thread2of3ForFork0InUse, 28#L694-2true, thr2Thread3of3ForFork0InUse, 186#L717-4true, 148#L706-3true, 53#L695-1true, 259#(= |#race~a~0| 0), thr1Thread1of3ForFork1InUse]) [2023-11-21 20:58:22,364 INFO L294 olderBase$Statistics]: this new event has 121 ancestors and is cut-off event [2023-11-21 20:58:22,364 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-21 20:58:22,365 INFO L297 olderBase$Statistics]: existing Event has 98 ancestors and is cut-off event [2023-11-21 20:58:22,365 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-21 20:58:22,448 INFO L292 olderBase$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]) [2023-11-21 20:58:22,449 INFO L294 olderBase$Statistics]: this new event has 116 ancestors and is cut-off event [2023-11-21 20:58:22,449 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2023-11-21 20:58:22,449 INFO L297 olderBase$Statistics]: existing Event has 83 ancestors and is cut-off event [2023-11-21 20:58:22,449 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2023-11-21 20:58:22,956 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([892] L707-->L707-1: Formula: (= |v_#race~a~0_7| 0) InVars {} OutVars{#race~a~0=|v_#race~a~0_7|} AuxVars[] AssignedVars[#race~a~0][59], [265#(= |#race~b~0| 0), 194#L695-1true, 240#L707-1true, Black: 257#true, thr2Thread1of3ForFork0InUse, thr2Thread2of3ForFork0InUse, 77#L694-2true, 28#L694-2true, thr2Thread3of3ForFork0InUse, 259#(= |#race~a~0| 0), 186#L717-4true, thr1Thread1of3ForFork1InUse]) [2023-11-21 20:58:22,957 INFO L294 olderBase$Statistics]: this new event has 117 ancestors and is cut-off event [2023-11-21 20:58:22,957 INFO L297 olderBase$Statistics]: existing Event has 84 ancestors and is cut-off event [2023-11-21 20:58:22,957 INFO L297 olderBase$Statistics]: existing Event has 94 ancestors and is cut-off event [2023-11-21 20:58:22,957 INFO L297 olderBase$Statistics]: existing Event has 117 ancestors and is cut-off event [2023-11-21 20:58:22,958 INFO L292 olderBase$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, 257#true, thr2Thread3of3ForFork0InUse, 186#L717-4true, 148#L706-3true, thr1Thread1of3ForFork1InUse, 108#L695-5true, 127#L694-1true]) [2023-11-21 20:58:22,958 INFO L294 olderBase$Statistics]: this new event has 118 ancestors and is cut-off event [2023-11-21 20:58:22,958 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2023-11-21 20:58:22,959 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-21 20:58:22,959 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-21 20:58:22,964 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([830] L695-->L695-1: Formula: (= |v_#race~b~0_1| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_1|} AuxVars[] AssignedVars[#race~b~0][156], [130#L695-2true, 265#(= |#race~b~0| 0), Black: 257#true, thr2Thread1of3ForFork0InUse, thr2Thread2of3ForFork0InUse, 28#L694-2true, thr2Thread3of3ForFork0InUse, 186#L717-4true, 148#L706-3true, 259#(= |#race~a~0| 0), 53#L695-1true, thr1Thread1of3ForFork1InUse]) [2023-11-21 20:58:22,964 INFO L294 olderBase$Statistics]: this new event has 122 ancestors and is cut-off event [2023-11-21 20:58:22,965 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-21 20:58:22,965 INFO L297 olderBase$Statistics]: existing Event has 79 ancestors and is cut-off event [2023-11-21 20:58:22,965 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is cut-off event [2023-11-21 20:58:23,977 INFO L292 olderBase$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]) [2023-11-21 20:58:23,978 INFO L294 olderBase$Statistics]: this new event has 119 ancestors and is cut-off event [2023-11-21 20:58:23,978 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2023-11-21 20:58:23,979 INFO L297 olderBase$Statistics]: existing Event has 76 ancestors and is cut-off event [2023-11-21 20:58:23,997 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2023-11-21 20:58:24,410 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([743] L695-4-->L695-5: Formula: (= |v_#race~a~0_4| |v_thr2Thread1of3ForFork0_#t~nondet3_3|) InVars {thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|} OutVars{thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|, #race~a~0=|v_#race~a~0_4|} AuxVars[] AssignedVars[#race~a~0][86], [265#(= |#race~b~0| 0), thr2Thread1of3ForFork0InUse, Black: 259#(= |#race~a~0| 0), 77#L694-2true, thr2Thread2of3ForFork0InUse, 28#L694-2true, 257#true, thr2Thread3of3ForFork0InUse, 186#L717-4true, 148#L706-3true, thr1Thread1of3ForFork1InUse, 108#L695-5true]) [2023-11-21 20:58:24,410 INFO L294 olderBase$Statistics]: this new event has 119 ancestors and is cut-off event [2023-11-21 20:58:24,410 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2023-11-21 20:58:24,410 INFO L297 olderBase$Statistics]: existing Event has 76 ancestors and is cut-off event [2023-11-21 20:58:24,410 INFO L297 olderBase$Statistics]: existing Event has 119 ancestors and is cut-off event [2023-11-21 20:58:24,410 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2023-11-21 20:58:24,410 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([743] L695-4-->L695-5: Formula: (= |v_#race~a~0_4| |v_thr2Thread1of3ForFork0_#t~nondet3_3|) InVars {thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|} OutVars{thr2Thread1of3ForFork0_#t~nondet3=|v_thr2Thread1of3ForFork0_#t~nondet3_3|, #race~a~0=|v_#race~a~0_4|} AuxVars[] AssignedVars[#race~a~0][86], [265#(= |#race~b~0| 0), 113#L694-1true, thr2Thread1of3ForFork0InUse, Black: 259#(= |#race~a~0| 0), thr2Thread2of3ForFork0InUse, 28#L694-2true, 257#true, thr2Thread3of3ForFork0InUse, 186#L717-4true, 148#L706-3true, thr1Thread1of3ForFork1InUse, 108#L695-5true]) [2023-11-21 20:58:24,411 INFO L294 olderBase$Statistics]: this new event has 118 ancestors and is cut-off event [2023-11-21 20:58:24,411 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-21 20:58:24,411 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-21 20:58:24,411 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2023-11-21 20:58:26,156 INFO L292 olderBase$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]) [2023-11-21 20:58:26,157 INFO L294 olderBase$Statistics]: this new event has 122 ancestors and is cut-off event [2023-11-21 20:58:26,157 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is cut-off event [2023-11-21 20:58:26,157 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-21 20:58:26,157 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-21 20:58:28,914 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([895] L707-2-->L707-3: Formula: (= |v_#race~b~0_7| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_7|} AuxVars[] AssignedVars[#race~b~0][36], [265#(= |#race~b~0| 0), 27#L693-3true, thr2Thread1of3ForFork0InUse, Black: 257#true, thr2Thread2of3ForFork0InUse, thr2Thread3of3ForFork0InUse, 259#(= |#race~a~0| 0), 186#L717-4true, thr1Thread1of3ForFork1InUse, 95#thr2Err0ASSERT_VIOLATIONDATA_RACEtrue, 150#L707-3true, 55#L695-5true]) [2023-11-21 20:58:28,914 INFO L294 olderBase$Statistics]: this new event has 143 ancestors and is cut-off event [2023-11-21 20:58:28,914 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2023-11-21 20:58:28,914 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2023-11-21 20:58:28,914 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2023-11-21 20:58:28,940 INFO L292 olderBase$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]) [2023-11-21 20:58:28,940 INFO L294 olderBase$Statistics]: this new event has 143 ancestors and is cut-off event [2023-11-21 20:58:28,940 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2023-11-21 20:58:28,940 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2023-11-21 20:58:28,941 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2023-11-21 20:58:28,941 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([775] L694-->L694-1: Formula: (= |v_#race~a~0_1| 0) InVars {} OutVars{#race~a~0=|v_#race~a~0_1|} AuxVars[] AssignedVars[#race~a~0][83], [thr2Thread1of3ForFork0InUse, Black: 257#true, thr2Thread2of3ForFork0InUse, thr2Thread3of3ForFork0InUse, 259#(= |#race~a~0| 0), 133#L707-2true, 186#L717-4true, thr1Thread1of3ForFork1InUse, 127#L694-1true, 95#thr2Err0ASSERT_VIOLATIONDATA_RACEtrue, 263#true, 55#L695-5true]) [2023-11-21 20:58:28,941 INFO L294 olderBase$Statistics]: this new event has 144 ancestors and is cut-off event [2023-11-21 20:58:28,941 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2023-11-21 20:58:28,941 INFO L297 olderBase$Statistics]: existing Event has 121 ancestors and is cut-off event [2023-11-21 20:58:28,941 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2023-11-21 20:58:29,023 INFO L292 olderBase$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]) [2023-11-21 20:58:29,023 INFO L294 olderBase$Statistics]: this new event has 144 ancestors and is cut-off event [2023-11-21 20:58:29,024 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-21 20:58:29,024 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event [2023-11-21 20:58:29,024 INFO L297 olderBase$Statistics]: existing Event has 134 ancestors and is cut-off event