./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya --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 8a0558934008acf79b7e5b205fa256c568a1b783af274566f36b253458639325 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:07:18,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:07:18,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 03:07:18,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:07:18,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:07:18,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:07:18,295 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:07:18,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:07:18,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:07:18,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:07:18,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:07:18,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:07:18,299 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:07:18,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:07:18,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:07:18,301 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:07:18,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:07:18,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:07:18,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:07:18,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:07:18,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:07:18,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:07:18,308 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 03:07:18,309 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:07:18,309 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:07:18,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:07:18,310 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:07:18,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:07:18,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:07:18,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:07:18,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:07:18,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:07:18,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:07:18,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:07:18,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:07:18,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:07:18,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:07:18,313 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:07:18,313 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:07:18,313 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:07:18,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:07:18,314 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_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a0558934008acf79b7e5b205fa256c568a1b783af274566f36b253458639325 [2023-11-29 03:07:18,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:07:18,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:07:18,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:07:18,544 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:07:18,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:07:18,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2023-11-29 03:07:21,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:07:23,632 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:07:23,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2023-11-29 03:07:23,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/data/b1dc0fabf/0d65f066256a4484afecaab9cdb0c28d/FLAGa3af7a613 [2023-11-29 03:07:23,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/data/b1dc0fabf/0d65f066256a4484afecaab9cdb0c28d [2023-11-29 03:07:23,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:07:23,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:07:23,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:07:23,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:07:23,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:07:23,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:23,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b00f661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23, skipping insertion in model container [2023-11-29 03:07:23,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:23,697 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:07:23,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:07:23,907 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:07:23,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:07:23,951 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:07:23,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23 WrapperNode [2023-11-29 03:07:23,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:07:23,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:07:23,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:07:23,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:07:23,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:23,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:24,008 INFO L138 Inliner]: procedures = 25, calls = 40, calls flagged for inlining = 14, calls inlined = 18, statements flattened = 373 [2023-11-29 03:07:24,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:07:24,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:07:24,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:07:24,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:07:24,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:24,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:24,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:24,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:24,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:24,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:24,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:24,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:24,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:07:24,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:07:24,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:07:24,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:07:24,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23" (1/1) ... [2023-11-29 03:07:24,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:07:24,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:07:24,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:07:24,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:07:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:07:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:07:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 03:07:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 03:07:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 03:07:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 03:07:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 03:07:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 03:07:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 03:07:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:07:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:07:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:07:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:07:24,139 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 03:07:24,254 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:07:24,256 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:07:24,802 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:07:24,820 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:07:24,821 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 03:07:24,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:07:24 BoogieIcfgContainer [2023-11-29 03:07:24,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:07:24,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:07:24,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:07:24,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:07:24,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:07:23" (1/3) ... [2023-11-29 03:07:24,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e77820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:07:24, skipping insertion in model container [2023-11-29 03:07:24,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:07:23" (2/3) ... [2023-11-29 03:07:24,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e77820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:07:24, skipping insertion in model container [2023-11-29 03:07:24,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:07:24" (3/3) ... [2023-11-29 03:07:24,831 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-symm.wvr.c [2023-11-29 03:07:24,840 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 03:07:24,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:07:24,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-29 03:07:24,851 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 03:07:24,981 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 03:07:25,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 460 places, 479 transitions, 972 flow [2023-11-29 03:07:25,198 INFO L124 PetriNetUnfolderBase]: 26/477 cut-off events. [2023-11-29 03:07:25,199 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 03:07:25,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 477 events. 26/477 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 942 event pairs, 0 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 274. Up to 3 conditions per place. [2023-11-29 03:07:25,210 INFO L82 GeneralOperation]: Start removeDead. Operand has 460 places, 479 transitions, 972 flow [2023-11-29 03:07:25,223 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 436 places, 453 transitions, 918 flow [2023-11-29 03:07:25,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:07:25,241 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;@1daba716, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:07:25,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2023-11-29 03:07:25,262 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 03:07:25,263 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-29 03:07:25,263 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:07:25,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:25,264 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] [2023-11-29 03:07:25,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:25,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:25,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1828671793, now seen corresponding path program 1 times [2023-11-29 03:07:25,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:25,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895429802] [2023-11-29 03:07:25,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:25,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:25,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:25,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895429802] [2023-11-29 03:07:25,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895429802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:25,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:25,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:25,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846061446] [2023-11-29 03:07:25,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:25,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:25,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:25,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:25,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:25,587 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 447 out of 479 [2023-11-29 03:07:25,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 453 transitions, 918 flow. Second operand has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 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) [2023-11-29 03:07:25,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:25,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 447 of 479 [2023-11-29 03:07:25,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:25,797 INFO L124 PetriNetUnfolderBase]: 27/794 cut-off events. [2023-11-29 03:07:25,797 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-29 03:07:25,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 840 conditions, 794 events. 27/794 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3182 event pairs, 8 based on Foata normal form. 18/688 useless extension candidates. Maximal degree in co-relation 598. Up to 29 conditions per place. [2023-11-29 03:07:25,810 INFO L140 encePairwiseOnDemand]: 462/479 looper letters, 12 selfloop transitions, 2 changer transitions 6/438 dead transitions. [2023-11-29 03:07:25,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 438 transitions, 916 flow [2023-11-29 03:07:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1370 transitions. [2023-11-29 03:07:25,830 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.953375086986778 [2023-11-29 03:07:25,831 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1370 transitions. [2023-11-29 03:07:25,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1370 transitions. [2023-11-29 03:07:25,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:25,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1370 transitions. [2023-11-29 03:07:25,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 456.6666666666667) internal successors, (1370), 3 states have internal predecessors, (1370), 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) [2023-11-29 03:07:25,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:25,858 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:25,860 INFO L175 Difference]: Start difference. First operand has 436 places, 453 transitions, 918 flow. Second operand 3 states and 1370 transitions. [2023-11-29 03:07:25,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 438 transitions, 916 flow [2023-11-29 03:07:25,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 438 transitions, 908 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 03:07:25,898 INFO L231 Difference]: Finished difference. Result has 433 places, 432 transitions, 872 flow [2023-11-29 03:07:25,901 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=433, PETRI_TRANSITIONS=432} [2023-11-29 03:07:25,905 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -3 predicate places. [2023-11-29 03:07:25,905 INFO L495 AbstractCegarLoop]: Abstraction has has 433 places, 432 transitions, 872 flow [2023-11-29 03:07:25,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 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) [2023-11-29 03:07:25,907 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:25,907 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] [2023-11-29 03:07:25,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:07:25,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:25,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:25,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1138800245, now seen corresponding path program 1 times [2023-11-29 03:07:25,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:25,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129551369] [2023-11-29 03:07:25,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:25,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:25,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:25,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:25,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129551369] [2023-11-29 03:07:25,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129551369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:25,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:25,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:25,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000931281] [2023-11-29 03:07:25,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:25,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:25,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:25,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:25,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:26,018 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 447 out of 479 [2023-11-29 03:07:26,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 432 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 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) [2023-11-29 03:07:26,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:26,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 447 of 479 [2023-11-29 03:07:26,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:26,196 INFO L124 PetriNetUnfolderBase]: 27/778 cut-off events. [2023-11-29 03:07:26,196 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 03:07:26,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 778 events. 27/778 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3123 event pairs, 8 based on Foata normal form. 0/665 useless extension candidates. Maximal degree in co-relation 787. Up to 29 conditions per place. [2023-11-29 03:07:26,207 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 12 selfloop transitions, 2 changer transitions 0/431 dead transitions. [2023-11-29 03:07:26,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 431 transitions, 898 flow [2023-11-29 03:07:26,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:26,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1356 transitions. [2023-11-29 03:07:26,213 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9436325678496869 [2023-11-29 03:07:26,213 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1356 transitions. [2023-11-29 03:07:26,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1356 transitions. [2023-11-29 03:07:26,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:26,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1356 transitions. [2023-11-29 03:07:26,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 452.0) internal successors, (1356), 3 states have internal predecessors, (1356), 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) [2023-11-29 03:07:26,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:26,226 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:26,227 INFO L175 Difference]: Start difference. First operand has 433 places, 432 transitions, 872 flow. Second operand 3 states and 1356 transitions. [2023-11-29 03:07:26,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 431 transitions, 898 flow [2023-11-29 03:07:26,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 431 transitions, 894 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:07:26,238 INFO L231 Difference]: Finished difference. Result has 426 places, 431 transitions, 870 flow [2023-11-29 03:07:26,239 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=866, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=870, PETRI_PLACES=426, PETRI_TRANSITIONS=431} [2023-11-29 03:07:26,240 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -10 predicate places. [2023-11-29 03:07:26,240 INFO L495 AbstractCegarLoop]: Abstraction has has 426 places, 431 transitions, 870 flow [2023-11-29 03:07:26,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 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) [2023-11-29 03:07:26,242 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:26,242 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] [2023-11-29 03:07:26,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:07:26,243 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:26,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:26,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1569236839, now seen corresponding path program 1 times [2023-11-29 03:07:26,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:26,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111208247] [2023-11-29 03:07:26,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:26,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:26,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:26,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111208247] [2023-11-29 03:07:26,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111208247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:26,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:26,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:26,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135365963] [2023-11-29 03:07:26,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:26,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:26,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:26,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:26,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:26,350 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 479 [2023-11-29 03:07:26,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 431 transitions, 870 flow. Second operand has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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) [2023-11-29 03:07:26,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:26,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 479 [2023-11-29 03:07:26,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:26,664 INFO L124 PetriNetUnfolderBase]: 62/1394 cut-off events. [2023-11-29 03:07:26,664 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2023-11-29 03:07:26,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1473 conditions, 1394 events. 62/1394 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 8167 event pairs, 24 based on Foata normal form. 0/1191 useless extension candidates. Maximal degree in co-relation 1435. Up to 67 conditions per place. [2023-11-29 03:07:26,677 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 14 selfloop transitions, 1 changer transitions 0/426 dead transitions. [2023-11-29 03:07:26,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 426 transitions, 890 flow [2023-11-29 03:07:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1349 transitions. [2023-11-29 03:07:26,682 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9387613082811412 [2023-11-29 03:07:26,682 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1349 transitions. [2023-11-29 03:07:26,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1349 transitions. [2023-11-29 03:07:26,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:26,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1349 transitions. [2023-11-29 03:07:26,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 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) [2023-11-29 03:07:26,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:26,695 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:26,696 INFO L175 Difference]: Start difference. First operand has 426 places, 431 transitions, 870 flow. Second operand 3 states and 1349 transitions. [2023-11-29 03:07:26,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 426 transitions, 890 flow [2023-11-29 03:07:26,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 426 transitions, 886 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:07:26,706 INFO L231 Difference]: Finished difference. Result has 421 places, 426 transitions, 858 flow [2023-11-29 03:07:26,707 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=856, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=858, PETRI_PLACES=421, PETRI_TRANSITIONS=426} [2023-11-29 03:07:26,708 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -15 predicate places. [2023-11-29 03:07:26,708 INFO L495 AbstractCegarLoop]: Abstraction has has 421 places, 426 transitions, 858 flow [2023-11-29 03:07:26,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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) [2023-11-29 03:07:26,710 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:26,710 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:26,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:07:26,711 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:26,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:26,712 INFO L85 PathProgramCache]: Analyzing trace with hash -217227280, now seen corresponding path program 1 times [2023-11-29 03:07:26,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:26,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859056580] [2023-11-29 03:07:26,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:26,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:27,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:27,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:27,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859056580] [2023-11-29 03:07:27,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859056580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:27,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:27,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:07:27,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258768717] [2023-11-29 03:07:27,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:27,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:07:27,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:27,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:07:27,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:07:27,605 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 479 [2023-11-29 03:07:27,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 426 transitions, 858 flow. Second operand has 6 states, 6 states have (on average 392.5) internal successors, (2355), 6 states have internal predecessors, (2355), 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) [2023-11-29 03:07:27,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:27,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 479 [2023-11-29 03:07:27,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:30,050 INFO L124 PetriNetUnfolderBase]: 2906/14258 cut-off events. [2023-11-29 03:07:30,050 INFO L125 PetriNetUnfolderBase]: For 48/55 co-relation queries the response was YES. [2023-11-29 03:07:30,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18585 conditions, 14258 events. 2906/14258 cut-off events. For 48/55 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 158720 event pairs, 2528 based on Foata normal form. 0/12416 useless extension candidates. Maximal degree in co-relation 18548. Up to 4296 conditions per place. [2023-11-29 03:07:30,150 INFO L140 encePairwiseOnDemand]: 467/479 looper letters, 60 selfloop transitions, 10 changer transitions 0/424 dead transitions. [2023-11-29 03:07:30,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 424 transitions, 994 flow [2023-11-29 03:07:30,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:07:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:07:30,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2418 transitions. [2023-11-29 03:07:30,157 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8413361169102297 [2023-11-29 03:07:30,157 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2418 transitions. [2023-11-29 03:07:30,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2418 transitions. [2023-11-29 03:07:30,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:30,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2418 transitions. [2023-11-29 03:07:30,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 403.0) internal successors, (2418), 6 states have internal predecessors, (2418), 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) [2023-11-29 03:07:30,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:30,202 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:30,202 INFO L175 Difference]: Start difference. First operand has 421 places, 426 transitions, 858 flow. Second operand 6 states and 2418 transitions. [2023-11-29 03:07:30,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 424 transitions, 994 flow [2023-11-29 03:07:30,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 424 transitions, 993 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:07:30,214 INFO L231 Difference]: Finished difference. Result has 423 places, 424 transitions, 873 flow [2023-11-29 03:07:30,215 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=853, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=873, PETRI_PLACES=423, PETRI_TRANSITIONS=424} [2023-11-29 03:07:30,215 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -13 predicate places. [2023-11-29 03:07:30,216 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 424 transitions, 873 flow [2023-11-29 03:07:30,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 392.5) internal successors, (2355), 6 states have internal predecessors, (2355), 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) [2023-11-29 03:07:30,218 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:30,218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:30,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:07:30,219 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:30,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:30,219 INFO L85 PathProgramCache]: Analyzing trace with hash 577156049, now seen corresponding path program 1 times [2023-11-29 03:07:30,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:30,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501829008] [2023-11-29 03:07:30,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:30,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:30,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:30,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:30,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501829008] [2023-11-29 03:07:30,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501829008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:30,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:30,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:30,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125809182] [2023-11-29 03:07:30,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:30,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:30,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:30,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:30,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:30,293 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 479 [2023-11-29 03:07:30,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 424 transitions, 873 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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) [2023-11-29 03:07:30,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:30,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 479 [2023-11-29 03:07:30,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:30,410 INFO L124 PetriNetUnfolderBase]: 24/689 cut-off events. [2023-11-29 03:07:30,410 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-29 03:07:30,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 736 conditions, 689 events. 24/689 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2498 event pairs, 8 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 703. Up to 28 conditions per place. [2023-11-29 03:07:30,418 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 11 selfloop transitions, 2 changer transitions 0/423 dead transitions. [2023-11-29 03:07:30,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 423 transitions, 897 flow [2023-11-29 03:07:30,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:30,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:30,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1358 transitions. [2023-11-29 03:07:30,423 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9450243562978428 [2023-11-29 03:07:30,423 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1358 transitions. [2023-11-29 03:07:30,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1358 transitions. [2023-11-29 03:07:30,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:30,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1358 transitions. [2023-11-29 03:07:30,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 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) [2023-11-29 03:07:30,434 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:30,436 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:30,436 INFO L175 Difference]: Start difference. First operand has 423 places, 424 transitions, 873 flow. Second operand 3 states and 1358 transitions. [2023-11-29 03:07:30,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 423 transitions, 897 flow [2023-11-29 03:07:30,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 423 transitions, 877 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 03:07:30,446 INFO L231 Difference]: Finished difference. Result has 419 places, 423 transitions, 855 flow [2023-11-29 03:07:30,447 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=851, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=855, PETRI_PLACES=419, PETRI_TRANSITIONS=423} [2023-11-29 03:07:30,448 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -17 predicate places. [2023-11-29 03:07:30,448 INFO L495 AbstractCegarLoop]: Abstraction has has 419 places, 423 transitions, 855 flow [2023-11-29 03:07:30,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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) [2023-11-29 03:07:30,450 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:30,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:30,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:07:30,450 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:30,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:30,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1728357922, now seen corresponding path program 1 times [2023-11-29 03:07:30,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:30,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608207401] [2023-11-29 03:07:30,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:30,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:30,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:30,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608207401] [2023-11-29 03:07:30,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608207401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:30,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:30,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:30,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647351040] [2023-11-29 03:07:30,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:30,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:30,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:30,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:30,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:30,520 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 479 [2023-11-29 03:07:30,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 423 transitions, 855 flow. Second operand has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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) [2023-11-29 03:07:30,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:30,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 479 [2023-11-29 03:07:30,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:30,812 INFO L124 PetriNetUnfolderBase]: 65/1371 cut-off events. [2023-11-29 03:07:30,812 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-29 03:07:30,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1453 conditions, 1371 events. 65/1371 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7917 event pairs, 24 based on Foata normal form. 0/1190 useless extension candidates. Maximal degree in co-relation 1415. Up to 69 conditions per place. [2023-11-29 03:07:30,831 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 14 selfloop transitions, 1 changer transitions 0/418 dead transitions. [2023-11-29 03:07:30,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 418 transitions, 875 flow [2023-11-29 03:07:30,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1349 transitions. [2023-11-29 03:07:30,837 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9387613082811412 [2023-11-29 03:07:30,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1349 transitions. [2023-11-29 03:07:30,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1349 transitions. [2023-11-29 03:07:30,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:30,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1349 transitions. [2023-11-29 03:07:30,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.6666666666667) internal successors, (1349), 3 states have internal predecessors, (1349), 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) [2023-11-29 03:07:30,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:30,850 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:30,851 INFO L175 Difference]: Start difference. First operand has 419 places, 423 transitions, 855 flow. Second operand 3 states and 1349 transitions. [2023-11-29 03:07:30,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 418 transitions, 875 flow [2023-11-29 03:07:30,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 418 transitions, 871 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:07:30,862 INFO L231 Difference]: Finished difference. Result has 414 places, 418 transitions, 843 flow [2023-11-29 03:07:30,863 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=841, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=843, PETRI_PLACES=414, PETRI_TRANSITIONS=418} [2023-11-29 03:07:30,864 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -22 predicate places. [2023-11-29 03:07:30,865 INFO L495 AbstractCegarLoop]: Abstraction has has 414 places, 418 transitions, 843 flow [2023-11-29 03:07:30,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 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) [2023-11-29 03:07:30,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:30,866 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:30,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:07:30,866 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:30,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:30,867 INFO L85 PathProgramCache]: Analyzing trace with hash 927572802, now seen corresponding path program 1 times [2023-11-29 03:07:30,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:30,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879147975] [2023-11-29 03:07:30,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:30,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:30,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:30,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:30,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879147975] [2023-11-29 03:07:30,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879147975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:30,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:30,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:30,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503388481] [2023-11-29 03:07:30,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:30,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:30,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:30,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:30,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:30,956 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 479 [2023-11-29 03:07:30,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 418 transitions, 843 flow. Second operand has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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) [2023-11-29 03:07:30,959 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:30,959 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 479 [2023-11-29 03:07:30,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:31,097 INFO L124 PetriNetUnfolderBase]: 24/679 cut-off events. [2023-11-29 03:07:31,097 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-29 03:07:31,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 717 conditions, 679 events. 24/679 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2356 event pairs, 8 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 679. Up to 28 conditions per place. [2023-11-29 03:07:31,103 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 11 selfloop transitions, 2 changer transitions 0/417 dead transitions. [2023-11-29 03:07:31,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 417 transitions, 867 flow [2023-11-29 03:07:31,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:31,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1358 transitions. [2023-11-29 03:07:31,109 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9450243562978428 [2023-11-29 03:07:31,109 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1358 transitions. [2023-11-29 03:07:31,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1358 transitions. [2023-11-29 03:07:31,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:31,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1358 transitions. [2023-11-29 03:07:31,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 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) [2023-11-29 03:07:31,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:31,121 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:31,121 INFO L175 Difference]: Start difference. First operand has 414 places, 418 transitions, 843 flow. Second operand 3 states and 1358 transitions. [2023-11-29 03:07:31,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 417 transitions, 867 flow [2023-11-29 03:07:31,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 417 transitions, 866 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:07:31,133 INFO L231 Difference]: Finished difference. Result has 414 places, 417 transitions, 844 flow [2023-11-29 03:07:31,134 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=844, PETRI_PLACES=414, PETRI_TRANSITIONS=417} [2023-11-29 03:07:31,135 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -22 predicate places. [2023-11-29 03:07:31,135 INFO L495 AbstractCegarLoop]: Abstraction has has 414 places, 417 transitions, 844 flow [2023-11-29 03:07:31,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.3333333333333) internal successors, (1348), 3 states have internal predecessors, (1348), 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) [2023-11-29 03:07:31,136 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:31,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:31,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:07:31,137 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:31,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:31,137 INFO L85 PathProgramCache]: Analyzing trace with hash 922256144, now seen corresponding path program 1 times [2023-11-29 03:07:31,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:31,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649427046] [2023-11-29 03:07:31,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:31,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:31,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:31,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649427046] [2023-11-29 03:07:31,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649427046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:31,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:31,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:31,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908236414] [2023-11-29 03:07:31,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:31,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:31,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:31,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:31,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:31,237 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 479 [2023-11-29 03:07:31,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 417 transitions, 844 flow. Second operand has 3 states, 3 states have (on average 451.3333333333333) internal successors, (1354), 3 states have internal predecessors, (1354), 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) [2023-11-29 03:07:31,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:31,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 479 [2023-11-29 03:07:31,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:31,374 INFO L124 PetriNetUnfolderBase]: 21/638 cut-off events. [2023-11-29 03:07:31,374 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 03:07:31,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 674 conditions, 638 events. 21/638 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2140 event pairs, 3 based on Foata normal form. 0/567 useless extension candidates. Maximal degree in co-relation 637. Up to 17 conditions per place. [2023-11-29 03:07:31,381 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 11 selfloop transitions, 2 changer transitions 0/417 dead transitions. [2023-11-29 03:07:31,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 417 transitions, 871 flow [2023-11-29 03:07:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1364 transitions. [2023-11-29 03:07:31,386 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9491997216423104 [2023-11-29 03:07:31,386 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1364 transitions. [2023-11-29 03:07:31,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1364 transitions. [2023-11-29 03:07:31,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:31,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1364 transitions. [2023-11-29 03:07:31,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 454.6666666666667) internal successors, (1364), 3 states have internal predecessors, (1364), 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) [2023-11-29 03:07:31,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:31,399 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:31,399 INFO L175 Difference]: Start difference. First operand has 414 places, 417 transitions, 844 flow. Second operand 3 states and 1364 transitions. [2023-11-29 03:07:31,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 417 transitions, 871 flow [2023-11-29 03:07:31,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 417 transitions, 867 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:07:31,411 INFO L231 Difference]: Finished difference. Result has 413 places, 416 transitions, 842 flow [2023-11-29 03:07:31,412 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=413, PETRI_TRANSITIONS=416} [2023-11-29 03:07:31,413 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -23 predicate places. [2023-11-29 03:07:31,413 INFO L495 AbstractCegarLoop]: Abstraction has has 413 places, 416 transitions, 842 flow [2023-11-29 03:07:31,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 451.3333333333333) internal successors, (1354), 3 states have internal predecessors, (1354), 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) [2023-11-29 03:07:31,415 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:31,415 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:31,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:07:31,415 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:31,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:31,416 INFO L85 PathProgramCache]: Analyzing trace with hash -240122990, now seen corresponding path program 1 times [2023-11-29 03:07:31,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:31,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402575238] [2023-11-29 03:07:31,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:31,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:31,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:31,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:31,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402575238] [2023-11-29 03:07:31,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402575238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:31,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:31,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:07:31,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121178427] [2023-11-29 03:07:31,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:31,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:07:31,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:31,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:07:31,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:07:32,520 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 479 [2023-11-29 03:07:32,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 416 transitions, 842 flow. Second operand has 6 states, 6 states have (on average 442.5) internal successors, (2655), 6 states have internal predecessors, (2655), 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) [2023-11-29 03:07:32,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:32,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 479 [2023-11-29 03:07:32,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:32,610 INFO L124 PetriNetUnfolderBase]: 10/415 cut-off events. [2023-11-29 03:07:32,610 INFO L125 PetriNetUnfolderBase]: For 2/8 co-relation queries the response was YES. [2023-11-29 03:07:32,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 415 events. 10/415 cut-off events. For 2/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 776 event pairs, 0 based on Foata normal form. 4/380 useless extension candidates. Maximal degree in co-relation 404. Up to 13 conditions per place. [2023-11-29 03:07:32,615 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 15 selfloop transitions, 4 changer transitions 0/415 dead transitions. [2023-11-29 03:07:32,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 415 transitions, 878 flow [2023-11-29 03:07:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:07:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:07:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2666 transitions. [2023-11-29 03:07:32,624 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9276270006958942 [2023-11-29 03:07:32,624 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2666 transitions. [2023-11-29 03:07:32,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2666 transitions. [2023-11-29 03:07:32,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:32,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2666 transitions. [2023-11-29 03:07:32,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 444.3333333333333) internal successors, (2666), 6 states have internal predecessors, (2666), 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) [2023-11-29 03:07:32,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:32,640 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:32,640 INFO L175 Difference]: Start difference. First operand has 413 places, 416 transitions, 842 flow. Second operand 6 states and 2666 transitions. [2023-11-29 03:07:32,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 415 transitions, 878 flow [2023-11-29 03:07:32,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 415 transitions, 874 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:07:32,650 INFO L231 Difference]: Finished difference. Result has 415 places, 415 transitions, 844 flow [2023-11-29 03:07:32,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=844, PETRI_PLACES=415, PETRI_TRANSITIONS=415} [2023-11-29 03:07:32,651 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -21 predicate places. [2023-11-29 03:07:32,651 INFO L495 AbstractCegarLoop]: Abstraction has has 415 places, 415 transitions, 844 flow [2023-11-29 03:07:32,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 442.5) internal successors, (2655), 6 states have internal predecessors, (2655), 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) [2023-11-29 03:07:32,653 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:32,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:32,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:07:32,653 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:32,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:32,653 INFO L85 PathProgramCache]: Analyzing trace with hash 317629583, now seen corresponding path program 1 times [2023-11-29 03:07:32,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:32,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047058300] [2023-11-29 03:07:32,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:32,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:32,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:32,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:32,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047058300] [2023-11-29 03:07:32,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047058300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:32,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:32,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:32,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039629573] [2023-11-29 03:07:32,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:32,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:32,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:32,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:32,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:32,730 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 479 [2023-11-29 03:07:32,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 415 transitions, 844 flow. Second operand has 3 states, 3 states have (on average 451.6666666666667) internal successors, (1355), 3 states have internal predecessors, (1355), 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) [2023-11-29 03:07:32,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:32,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 479 [2023-11-29 03:07:32,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:32,818 INFO L124 PetriNetUnfolderBase]: 18/519 cut-off events. [2023-11-29 03:07:32,818 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2023-11-29 03:07:32,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 519 events. 18/519 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1401 event pairs, 3 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 515. Up to 17 conditions per place. [2023-11-29 03:07:32,823 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 11 selfloop transitions, 2 changer transitions 0/415 dead transitions. [2023-11-29 03:07:32,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 415 transitions, 871 flow [2023-11-29 03:07:32,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:32,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1364 transitions. [2023-11-29 03:07:32,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9491997216423104 [2023-11-29 03:07:32,828 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1364 transitions. [2023-11-29 03:07:32,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1364 transitions. [2023-11-29 03:07:32,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:32,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1364 transitions. [2023-11-29 03:07:32,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 454.6666666666667) internal successors, (1364), 3 states have internal predecessors, (1364), 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) [2023-11-29 03:07:32,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:32,836 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:32,836 INFO L175 Difference]: Start difference. First operand has 415 places, 415 transitions, 844 flow. Second operand 3 states and 1364 transitions. [2023-11-29 03:07:32,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 415 transitions, 871 flow [2023-11-29 03:07:32,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 415 transitions, 864 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 03:07:32,845 INFO L231 Difference]: Finished difference. Result has 412 places, 414 transitions, 839 flow [2023-11-29 03:07:32,846 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=839, PETRI_PLACES=412, PETRI_TRANSITIONS=414} [2023-11-29 03:07:32,847 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -24 predicate places. [2023-11-29 03:07:32,847 INFO L495 AbstractCegarLoop]: Abstraction has has 412 places, 414 transitions, 839 flow [2023-11-29 03:07:32,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 451.6666666666667) internal successors, (1355), 3 states have internal predecessors, (1355), 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) [2023-11-29 03:07:32,848 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:32,848 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:32,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:07:32,848 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:32,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:32,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1906639822, now seen corresponding path program 1 times [2023-11-29 03:07:32,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:32,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477960181] [2023-11-29 03:07:32,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:32,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:32,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:32,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477960181] [2023-11-29 03:07:32,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477960181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:32,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:32,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:07:32,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183990192] [2023-11-29 03:07:32,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:32,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:32,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:32,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:32,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:32,913 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 479 [2023-11-29 03:07:32,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 414 transitions, 839 flow. Second operand has 3 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 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) [2023-11-29 03:07:32,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:32,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 479 [2023-11-29 03:07:32,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:33,031 INFO L124 PetriNetUnfolderBase]: 24/636 cut-off events. [2023-11-29 03:07:33,031 INFO L125 PetriNetUnfolderBase]: For 2/9 co-relation queries the response was YES. [2023-11-29 03:07:33,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 688 conditions, 636 events. 24/636 cut-off events. For 2/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2104 event pairs, 6 based on Foata normal form. 1/570 useless extension candidates. Maximal degree in co-relation 651. Up to 24 conditions per place. [2023-11-29 03:07:33,036 INFO L140 encePairwiseOnDemand]: 475/479 looper letters, 11 selfloop transitions, 3 changer transitions 0/416 dead transitions. [2023-11-29 03:07:33,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 416 transitions, 872 flow [2023-11-29 03:07:33,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:33,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1368 transitions. [2023-11-29 03:07:33,041 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9519832985386222 [2023-11-29 03:07:33,042 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1368 transitions. [2023-11-29 03:07:33,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1368 transitions. [2023-11-29 03:07:33,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:33,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1368 transitions. [2023-11-29 03:07:33,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 456.0) internal successors, (1368), 3 states have internal predecessors, (1368), 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) [2023-11-29 03:07:33,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:33,051 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:33,051 INFO L175 Difference]: Start difference. First operand has 412 places, 414 transitions, 839 flow. Second operand 3 states and 1368 transitions. [2023-11-29 03:07:33,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 416 transitions, 872 flow [2023-11-29 03:07:33,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 416 transitions, 868 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:07:33,064 INFO L231 Difference]: Finished difference. Result has 414 places, 415 transitions, 853 flow [2023-11-29 03:07:33,065 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=853, PETRI_PLACES=414, PETRI_TRANSITIONS=415} [2023-11-29 03:07:33,065 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -22 predicate places. [2023-11-29 03:07:33,065 INFO L495 AbstractCegarLoop]: Abstraction has has 414 places, 415 transitions, 853 flow [2023-11-29 03:07:33,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 452.6666666666667) internal successors, (1358), 3 states have internal predecessors, (1358), 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) [2023-11-29 03:07:33,066 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:33,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:33,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:07:33,067 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:33,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:33,067 INFO L85 PathProgramCache]: Analyzing trace with hash 955400030, now seen corresponding path program 1 times [2023-11-29 03:07:33,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:33,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214956820] [2023-11-29 03:07:33,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:33,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:33,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:33,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:33,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214956820] [2023-11-29 03:07:33,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214956820] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:33,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:33,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:33,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123775535] [2023-11-29 03:07:33,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:33,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:33,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:33,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:33,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:33,151 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 479 [2023-11-29 03:07:33,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 415 transitions, 853 flow. Second operand has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 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) [2023-11-29 03:07:33,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:33,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 479 [2023-11-29 03:07:33,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:33,431 INFO L124 PetriNetUnfolderBase]: 69/1249 cut-off events. [2023-11-29 03:07:33,431 INFO L125 PetriNetUnfolderBase]: For 24/25 co-relation queries the response was YES. [2023-11-29 03:07:33,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1378 conditions, 1249 events. 69/1249 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6866 event pairs, 12 based on Foata normal form. 0/1113 useless extension candidates. Maximal degree in co-relation 1340. Up to 79 conditions per place. [2023-11-29 03:07:33,441 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 16 selfloop transitions, 2 changer transitions 0/416 dead transitions. [2023-11-29 03:07:33,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 416 transitions, 894 flow [2023-11-29 03:07:33,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:33,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:33,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1360 transitions. [2023-11-29 03:07:33,446 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9464161447459986 [2023-11-29 03:07:33,446 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1360 transitions. [2023-11-29 03:07:33,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1360 transitions. [2023-11-29 03:07:33,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:33,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1360 transitions. [2023-11-29 03:07:33,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.3333333333333) internal successors, (1360), 3 states have internal predecessors, (1360), 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) [2023-11-29 03:07:33,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:33,453 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:33,453 INFO L175 Difference]: Start difference. First operand has 414 places, 415 transitions, 853 flow. Second operand 3 states and 1360 transitions. [2023-11-29 03:07:33,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 416 transitions, 894 flow [2023-11-29 03:07:33,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 416 transitions, 888 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:07:33,464 INFO L231 Difference]: Finished difference. Result has 411 places, 413 transitions, 853 flow [2023-11-29 03:07:33,465 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=839, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=853, PETRI_PLACES=411, PETRI_TRANSITIONS=413} [2023-11-29 03:07:33,465 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -25 predicate places. [2023-11-29 03:07:33,465 INFO L495 AbstractCegarLoop]: Abstraction has has 411 places, 413 transitions, 853 flow [2023-11-29 03:07:33,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 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) [2023-11-29 03:07:33,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:33,466 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:33,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:07:33,466 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:33,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:33,467 INFO L85 PathProgramCache]: Analyzing trace with hash 451800322, now seen corresponding path program 1 times [2023-11-29 03:07:33,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:33,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623510644] [2023-11-29 03:07:33,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:33,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:33,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:33,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623510644] [2023-11-29 03:07:33,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623510644] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:33,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:33,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:07:33,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122112393] [2023-11-29 03:07:33,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:33,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:07:33,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:33,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:07:33,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:07:34,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 479 [2023-11-29 03:07:34,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 413 transitions, 853 flow. Second operand has 8 states, 8 states have (on average 432.125) internal successors, (3457), 8 states have internal predecessors, (3457), 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) [2023-11-29 03:07:34,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:34,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 479 [2023-11-29 03:07:34,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:34,367 INFO L124 PetriNetUnfolderBase]: 65/1335 cut-off events. [2023-11-29 03:07:34,368 INFO L125 PetriNetUnfolderBase]: For 10/22 co-relation queries the response was YES. [2023-11-29 03:07:34,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1557 conditions, 1335 events. 65/1335 cut-off events. For 10/22 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6910 event pairs, 15 based on Foata normal form. 3/1212 useless extension candidates. Maximal degree in co-relation 1517. Up to 70 conditions per place. [2023-11-29 03:07:34,376 INFO L140 encePairwiseOnDemand]: 463/479 looper letters, 43 selfloop transitions, 18 changer transitions 0/439 dead transitions. [2023-11-29 03:07:34,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 439 transitions, 1040 flow [2023-11-29 03:07:34,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:07:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 03:07:34,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 5210 transitions. [2023-11-29 03:07:34,390 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9064022268615171 [2023-11-29 03:07:34,390 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 5210 transitions. [2023-11-29 03:07:34,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 5210 transitions. [2023-11-29 03:07:34,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:34,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 5210 transitions. [2023-11-29 03:07:34,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 434.1666666666667) internal successors, (5210), 12 states have internal predecessors, (5210), 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) [2023-11-29 03:07:34,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 479.0) internal successors, (6227), 13 states have internal predecessors, (6227), 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) [2023-11-29 03:07:34,419 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 479.0) internal successors, (6227), 13 states have internal predecessors, (6227), 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) [2023-11-29 03:07:34,419 INFO L175 Difference]: Start difference. First operand has 411 places, 413 transitions, 853 flow. Second operand 12 states and 5210 transitions. [2023-11-29 03:07:34,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 439 transitions, 1040 flow [2023-11-29 03:07:34,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 439 transitions, 1040 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:07:34,430 INFO L231 Difference]: Finished difference. Result has 428 places, 422 transitions, 946 flow [2023-11-29 03:07:34,431 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=853, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=946, PETRI_PLACES=428, PETRI_TRANSITIONS=422} [2023-11-29 03:07:34,431 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -8 predicate places. [2023-11-29 03:07:34,431 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 422 transitions, 946 flow [2023-11-29 03:07:34,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 432.125) internal successors, (3457), 8 states have internal predecessors, (3457), 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) [2023-11-29 03:07:34,433 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:34,433 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:34,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 03:07:34,433 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:34,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:34,434 INFO L85 PathProgramCache]: Analyzing trace with hash 863155018, now seen corresponding path program 1 times [2023-11-29 03:07:34,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:34,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531711655] [2023-11-29 03:07:34,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:34,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:34,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:34,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531711655] [2023-11-29 03:07:34,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531711655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:34,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:34,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:07:34,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035609223] [2023-11-29 03:07:34,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:34,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:34,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:34,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:34,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:34,503 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 451 out of 479 [2023-11-29 03:07:34,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 422 transitions, 946 flow. Second operand has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 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) [2023-11-29 03:07:34,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:34,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 451 of 479 [2023-11-29 03:07:34,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:34,729 INFO L124 PetriNetUnfolderBase]: 86/1191 cut-off events. [2023-11-29 03:07:34,729 INFO L125 PetriNetUnfolderBase]: For 72/75 co-relation queries the response was YES. [2023-11-29 03:07:34,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1430 conditions, 1191 events. 86/1191 cut-off events. For 72/75 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6389 event pairs, 24 based on Foata normal form. 0/1067 useless extension candidates. Maximal degree in co-relation 1382. Up to 98 conditions per place. [2023-11-29 03:07:34,741 INFO L140 encePairwiseOnDemand]: 475/479 looper letters, 11 selfloop transitions, 3 changer transitions 0/424 dead transitions. [2023-11-29 03:07:34,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 424 transitions, 979 flow [2023-11-29 03:07:34,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:34,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1368 transitions. [2023-11-29 03:07:34,746 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9519832985386222 [2023-11-29 03:07:34,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1368 transitions. [2023-11-29 03:07:34,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1368 transitions. [2023-11-29 03:07:34,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:34,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1368 transitions. [2023-11-29 03:07:34,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 456.0) internal successors, (1368), 3 states have internal predecessors, (1368), 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) [2023-11-29 03:07:34,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:34,753 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:34,754 INFO L175 Difference]: Start difference. First operand has 428 places, 422 transitions, 946 flow. Second operand 3 states and 1368 transitions. [2023-11-29 03:07:34,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 424 transitions, 979 flow [2023-11-29 03:07:34,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 424 transitions, 979 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:07:34,764 INFO L231 Difference]: Finished difference. Result has 432 places, 423 transitions, 964 flow [2023-11-29 03:07:34,765 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=964, PETRI_PLACES=432, PETRI_TRANSITIONS=423} [2023-11-29 03:07:34,766 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -4 predicate places. [2023-11-29 03:07:34,766 INFO L495 AbstractCegarLoop]: Abstraction has has 432 places, 423 transitions, 964 flow [2023-11-29 03:07:34,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 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) [2023-11-29 03:07:34,767 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:34,767 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:34,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 03:07:34,767 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:34,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:34,768 INFO L85 PathProgramCache]: Analyzing trace with hash -493785567, now seen corresponding path program 1 times [2023-11-29 03:07:34,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:34,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524653807] [2023-11-29 03:07:34,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:34,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:34,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:34,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:34,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524653807] [2023-11-29 03:07:34,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524653807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:34,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:34,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:07:34,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140578953] [2023-11-29 03:07:34,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:34,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:07:34,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:34,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:07:34,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:07:35,235 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 479 [2023-11-29 03:07:35,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 423 transitions, 964 flow. Second operand has 8 states, 8 states have (on average 432.25) internal successors, (3458), 8 states have internal predecessors, (3458), 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) [2023-11-29 03:07:35,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:35,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 479 [2023-11-29 03:07:35,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:35,485 INFO L124 PetriNetUnfolderBase]: 68/967 cut-off events. [2023-11-29 03:07:35,485 INFO L125 PetriNetUnfolderBase]: For 84/87 co-relation queries the response was YES. [2023-11-29 03:07:35,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1253 conditions, 967 events. 68/967 cut-off events. For 84/87 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4660 event pairs, 15 based on Foata normal form. 2/895 useless extension candidates. Maximal degree in co-relation 1201. Up to 82 conditions per place. [2023-11-29 03:07:35,494 INFO L140 encePairwiseOnDemand]: 463/479 looper letters, 43 selfloop transitions, 18 changer transitions 0/444 dead transitions. [2023-11-29 03:07:35,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 444 transitions, 1145 flow [2023-11-29 03:07:35,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:07:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 03:07:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 5210 transitions. [2023-11-29 03:07:35,507 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9064022268615171 [2023-11-29 03:07:35,507 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 5210 transitions. [2023-11-29 03:07:35,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 5210 transitions. [2023-11-29 03:07:35,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:35,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 5210 transitions. [2023-11-29 03:07:35,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 434.1666666666667) internal successors, (5210), 12 states have internal predecessors, (5210), 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) [2023-11-29 03:07:35,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 479.0) internal successors, (6227), 13 states have internal predecessors, (6227), 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) [2023-11-29 03:07:35,536 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 479.0) internal successors, (6227), 13 states have internal predecessors, (6227), 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) [2023-11-29 03:07:35,536 INFO L175 Difference]: Start difference. First operand has 432 places, 423 transitions, 964 flow. Second operand 12 states and 5210 transitions. [2023-11-29 03:07:35,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 444 transitions, 1145 flow [2023-11-29 03:07:35,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 444 transitions, 1135 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:07:35,548 INFO L231 Difference]: Finished difference. Result has 445 places, 427 transitions, 1030 flow [2023-11-29 03:07:35,549 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=958, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1030, PETRI_PLACES=445, PETRI_TRANSITIONS=427} [2023-11-29 03:07:35,549 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 9 predicate places. [2023-11-29 03:07:35,549 INFO L495 AbstractCegarLoop]: Abstraction has has 445 places, 427 transitions, 1030 flow [2023-11-29 03:07:35,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 432.25) internal successors, (3458), 8 states have internal predecessors, (3458), 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) [2023-11-29 03:07:35,551 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:35,551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:35,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 03:07:35,551 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:35,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:35,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1592603219, now seen corresponding path program 1 times [2023-11-29 03:07:35,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:35,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474340479] [2023-11-29 03:07:35,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:35,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:36,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:36,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474340479] [2023-11-29 03:07:36,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474340479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:36,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:36,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:07:36,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296562641] [2023-11-29 03:07:36,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:36,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:07:36,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:36,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:07:36,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:07:36,575 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 479 [2023-11-29 03:07:36,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 427 transitions, 1030 flow. Second operand has 6 states, 6 states have (on average 442.6666666666667) internal successors, (2656), 6 states have internal predecessors, (2656), 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) [2023-11-29 03:07:36,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:36,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 479 [2023-11-29 03:07:36,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:36,733 INFO L124 PetriNetUnfolderBase]: 24/776 cut-off events. [2023-11-29 03:07:36,733 INFO L125 PetriNetUnfolderBase]: For 50/65 co-relation queries the response was YES. [2023-11-29 03:07:36,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 973 conditions, 776 events. 24/776 cut-off events. For 50/65 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2605 event pairs, 0 based on Foata normal form. 8/730 useless extension candidates. Maximal degree in co-relation 914. Up to 26 conditions per place. [2023-11-29 03:07:36,739 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 15 selfloop transitions, 4 changer transitions 0/426 dead transitions. [2023-11-29 03:07:36,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 426 transitions, 1066 flow [2023-11-29 03:07:36,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:07:36,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:07:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2666 transitions. [2023-11-29 03:07:36,747 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9276270006958942 [2023-11-29 03:07:36,747 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2666 transitions. [2023-11-29 03:07:36,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2666 transitions. [2023-11-29 03:07:36,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:36,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2666 transitions. [2023-11-29 03:07:36,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 444.3333333333333) internal successors, (2666), 6 states have internal predecessors, (2666), 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) [2023-11-29 03:07:36,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:36,759 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:36,759 INFO L175 Difference]: Start difference. First operand has 445 places, 427 transitions, 1030 flow. Second operand 6 states and 2666 transitions. [2023-11-29 03:07:36,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 426 transitions, 1066 flow [2023-11-29 03:07:36,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 426 transitions, 1049 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 03:07:36,771 INFO L231 Difference]: Finished difference. Result has 443 places, 426 transitions, 1019 flow [2023-11-29 03:07:36,771 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1011, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1019, PETRI_PLACES=443, PETRI_TRANSITIONS=426} [2023-11-29 03:07:36,772 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 7 predicate places. [2023-11-29 03:07:36,772 INFO L495 AbstractCegarLoop]: Abstraction has has 443 places, 426 transitions, 1019 flow [2023-11-29 03:07:36,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 442.6666666666667) internal successors, (2656), 6 states have internal predecessors, (2656), 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) [2023-11-29 03:07:36,773 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:36,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:36,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 03:07:36,773 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:36,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:36,774 INFO L85 PathProgramCache]: Analyzing trace with hash 838990408, now seen corresponding path program 1 times [2023-11-29 03:07:36,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:36,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991030451] [2023-11-29 03:07:36,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:36,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:07:36,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:36,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991030451] [2023-11-29 03:07:36,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991030451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:36,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:36,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:07:36,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391437828] [2023-11-29 03:07:36,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:36,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:07:36,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:36,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:07:36,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:07:37,253 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 479 [2023-11-29 03:07:37,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 426 transitions, 1019 flow. Second operand has 8 states, 8 states have (on average 432.25) internal successors, (3458), 8 states have internal predecessors, (3458), 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) [2023-11-29 03:07:37,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:37,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 479 [2023-11-29 03:07:37,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:37,645 INFO L124 PetriNetUnfolderBase]: 75/1416 cut-off events. [2023-11-29 03:07:37,646 INFO L125 PetriNetUnfolderBase]: For 123/141 co-relation queries the response was YES. [2023-11-29 03:07:37,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1933 conditions, 1416 events. 75/1416 cut-off events. For 123/141 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7339 event pairs, 17 based on Foata normal form. 5/1326 useless extension candidates. Maximal degree in co-relation 1873. Up to 89 conditions per place. [2023-11-29 03:07:37,662 INFO L140 encePairwiseOnDemand]: 463/479 looper letters, 44 selfloop transitions, 24 changer transitions 0/450 dead transitions. [2023-11-29 03:07:37,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 450 transitions, 1251 flow [2023-11-29 03:07:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:07:37,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 03:07:37,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 5203 transitions. [2023-11-29 03:07:37,677 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9051844119693807 [2023-11-29 03:07:37,677 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 5203 transitions. [2023-11-29 03:07:37,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 5203 transitions. [2023-11-29 03:07:37,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:37,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 5203 transitions. [2023-11-29 03:07:37,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 433.5833333333333) internal successors, (5203), 12 states have internal predecessors, (5203), 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) [2023-11-29 03:07:37,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 479.0) internal successors, (6227), 13 states have internal predecessors, (6227), 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) [2023-11-29 03:07:37,698 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 479.0) internal successors, (6227), 13 states have internal predecessors, (6227), 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) [2023-11-29 03:07:37,698 INFO L175 Difference]: Start difference. First operand has 443 places, 426 transitions, 1019 flow. Second operand 12 states and 5203 transitions. [2023-11-29 03:07:37,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 450 transitions, 1251 flow [2023-11-29 03:07:37,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 450 transitions, 1244 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 03:07:37,712 INFO L231 Difference]: Finished difference. Result has 456 places, 439 transitions, 1164 flow [2023-11-29 03:07:37,712 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1012, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1164, PETRI_PLACES=456, PETRI_TRANSITIONS=439} [2023-11-29 03:07:37,713 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 20 predicate places. [2023-11-29 03:07:37,713 INFO L495 AbstractCegarLoop]: Abstraction has has 456 places, 439 transitions, 1164 flow [2023-11-29 03:07:37,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 432.25) internal successors, (3458), 8 states have internal predecessors, (3458), 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) [2023-11-29 03:07:37,714 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:37,714 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:37,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 03:07:37,714 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:37,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:37,715 INFO L85 PathProgramCache]: Analyzing trace with hash -2103709977, now seen corresponding path program 1 times [2023-11-29 03:07:37,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:37,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603594879] [2023-11-29 03:07:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:37,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:07:37,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:37,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603594879] [2023-11-29 03:07:37,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603594879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:37,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:37,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:07:37,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444937744] [2023-11-29 03:07:37,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:37,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:07:37,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:37,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:07:37,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:07:38,328 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 479 [2023-11-29 03:07:38,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 439 transitions, 1164 flow. Second operand has 8 states, 8 states have (on average 432.375) internal successors, (3459), 8 states have internal predecessors, (3459), 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) [2023-11-29 03:07:38,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:38,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 479 [2023-11-29 03:07:38,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:38,640 INFO L124 PetriNetUnfolderBase]: 87/1293 cut-off events. [2023-11-29 03:07:38,640 INFO L125 PetriNetUnfolderBase]: For 255/260 co-relation queries the response was YES. [2023-11-29 03:07:38,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1833 conditions, 1293 events. 87/1293 cut-off events. For 255/260 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 7163 event pairs, 24 based on Foata normal form. 2/1208 useless extension candidates. Maximal degree in co-relation 1764. Up to 130 conditions per place. [2023-11-29 03:07:38,650 INFO L140 encePairwiseOnDemand]: 464/479 looper letters, 48 selfloop transitions, 19 changer transitions 0/457 dead transitions. [2023-11-29 03:07:38,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 457 transitions, 1381 flow [2023-11-29 03:07:38,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:07:38,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 03:07:38,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4772 transitions. [2023-11-29 03:07:38,662 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9056747010817991 [2023-11-29 03:07:38,662 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4772 transitions. [2023-11-29 03:07:38,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4772 transitions. [2023-11-29 03:07:38,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:38,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4772 transitions. [2023-11-29 03:07:38,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 433.8181818181818) internal successors, (4772), 11 states have internal predecessors, (4772), 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) [2023-11-29 03:07:38,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 479.0) internal successors, (5748), 12 states have internal predecessors, (5748), 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) [2023-11-29 03:07:38,675 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 479.0) internal successors, (5748), 12 states have internal predecessors, (5748), 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) [2023-11-29 03:07:38,675 INFO L175 Difference]: Start difference. First operand has 456 places, 439 transitions, 1164 flow. Second operand 11 states and 4772 transitions. [2023-11-29 03:07:38,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 457 transitions, 1381 flow [2023-11-29 03:07:38,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 457 transitions, 1381 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:07:38,685 INFO L231 Difference]: Finished difference. Result has 469 places, 446 transitions, 1275 flow [2023-11-29 03:07:38,686 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1164, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1275, PETRI_PLACES=469, PETRI_TRANSITIONS=446} [2023-11-29 03:07:38,686 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 33 predicate places. [2023-11-29 03:07:38,686 INFO L495 AbstractCegarLoop]: Abstraction has has 469 places, 446 transitions, 1275 flow [2023-11-29 03:07:38,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 432.375) internal successors, (3459), 8 states have internal predecessors, (3459), 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) [2023-11-29 03:07:38,687 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:38,687 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:38,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 03:07:38,687 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:38,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:38,688 INFO L85 PathProgramCache]: Analyzing trace with hash 206584151, now seen corresponding path program 1 times [2023-11-29 03:07:38,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:38,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797990370] [2023-11-29 03:07:38,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:38,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:07:39,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:39,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797990370] [2023-11-29 03:07:39,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797990370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:39,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:39,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:07:39,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849774907] [2023-11-29 03:07:39,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:39,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:07:39,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:39,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:07:39,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:07:39,572 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 479 [2023-11-29 03:07:39,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 446 transitions, 1275 flow. Second operand has 6 states, 6 states have (on average 437.8333333333333) internal successors, (2627), 6 states have internal predecessors, (2627), 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) [2023-11-29 03:07:39,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:39,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 479 [2023-11-29 03:07:39,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:39,797 INFO L124 PetriNetUnfolderBase]: 51/1299 cut-off events. [2023-11-29 03:07:39,797 INFO L125 PetriNetUnfolderBase]: For 309/323 co-relation queries the response was YES. [2023-11-29 03:07:39,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1838 conditions, 1299 events. 51/1299 cut-off events. For 309/323 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5956 event pairs, 5 based on Foata normal form. 4/1219 useless extension candidates. Maximal degree in co-relation 1763. Up to 63 conditions per place. [2023-11-29 03:07:39,804 INFO L140 encePairwiseOnDemand]: 472/479 looper letters, 30 selfloop transitions, 5 changer transitions 0/450 dead transitions. [2023-11-29 03:07:39,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 450 transitions, 1359 flow [2023-11-29 03:07:39,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:07:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:07:39,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2644 transitions. [2023-11-29 03:07:39,811 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9199721642310369 [2023-11-29 03:07:39,811 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2644 transitions. [2023-11-29 03:07:39,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2644 transitions. [2023-11-29 03:07:39,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:39,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2644 transitions. [2023-11-29 03:07:39,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 440.6666666666667) internal successors, (2644), 6 states have internal predecessors, (2644), 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) [2023-11-29 03:07:39,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:39,819 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:39,820 INFO L175 Difference]: Start difference. First operand has 469 places, 446 transitions, 1275 flow. Second operand 6 states and 2644 transitions. [2023-11-29 03:07:39,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 450 transitions, 1359 flow [2023-11-29 03:07:39,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 450 transitions, 1338 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-29 03:07:39,833 INFO L231 Difference]: Finished difference. Result has 465 places, 444 transitions, 1260 flow [2023-11-29 03:07:39,834 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1250, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1260, PETRI_PLACES=465, PETRI_TRANSITIONS=444} [2023-11-29 03:07:39,834 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 29 predicate places. [2023-11-29 03:07:39,834 INFO L495 AbstractCegarLoop]: Abstraction has has 465 places, 444 transitions, 1260 flow [2023-11-29 03:07:39,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 437.8333333333333) internal successors, (2627), 6 states have internal predecessors, (2627), 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) [2023-11-29 03:07:39,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:39,835 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:39,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 03:07:39,835 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:39,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:39,835 INFO L85 PathProgramCache]: Analyzing trace with hash 958909913, now seen corresponding path program 1 times [2023-11-29 03:07:39,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:39,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674756675] [2023-11-29 03:07:39,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:39,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:07:39,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:39,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674756675] [2023-11-29 03:07:39,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674756675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:39,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:39,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:39,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452830621] [2023-11-29 03:07:39,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:39,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:39,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:39,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:39,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:39,911 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 479 [2023-11-29 03:07:39,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 444 transitions, 1260 flow. Second operand has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 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) [2023-11-29 03:07:39,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:39,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 479 [2023-11-29 03:07:39,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:40,205 INFO L124 PetriNetUnfolderBase]: 85/1875 cut-off events. [2023-11-29 03:07:40,205 INFO L125 PetriNetUnfolderBase]: For 259/263 co-relation queries the response was YES. [2023-11-29 03:07:40,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2434 conditions, 1875 events. 85/1875 cut-off events. For 259/263 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10826 event pairs, 17 based on Foata normal form. 0/1740 useless extension candidates. Maximal degree in co-relation 2361. Up to 89 conditions per place. [2023-11-29 03:07:40,216 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 16 selfloop transitions, 2 changer transitions 0/445 dead transitions. [2023-11-29 03:07:40,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 445 transitions, 1301 flow [2023-11-29 03:07:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:40,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:40,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1360 transitions. [2023-11-29 03:07:40,218 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9464161447459986 [2023-11-29 03:07:40,219 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1360 transitions. [2023-11-29 03:07:40,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1360 transitions. [2023-11-29 03:07:40,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:40,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1360 transitions. [2023-11-29 03:07:40,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.3333333333333) internal successors, (1360), 3 states have internal predecessors, (1360), 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) [2023-11-29 03:07:40,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:40,222 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:40,222 INFO L175 Difference]: Start difference. First operand has 465 places, 444 transitions, 1260 flow. Second operand 3 states and 1360 transitions. [2023-11-29 03:07:40,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 445 transitions, 1301 flow [2023-11-29 03:07:40,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 445 transitions, 1291 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 03:07:40,237 INFO L231 Difference]: Finished difference. Result has 459 places, 442 transitions, 1256 flow [2023-11-29 03:07:40,237 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1242, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1256, PETRI_PLACES=459, PETRI_TRANSITIONS=442} [2023-11-29 03:07:40,238 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 23 predicate places. [2023-11-29 03:07:40,238 INFO L495 AbstractCegarLoop]: Abstraction has has 459 places, 442 transitions, 1256 flow [2023-11-29 03:07:40,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 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) [2023-11-29 03:07:40,239 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:40,239 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:40,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 03:07:40,239 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:40,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:40,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1052922274, now seen corresponding path program 1 times [2023-11-29 03:07:40,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:40,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981448607] [2023-11-29 03:07:40,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:40,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:40,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:40,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:40,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981448607] [2023-11-29 03:07:40,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981448607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:40,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:40,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:40,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051806816] [2023-11-29 03:07:40,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:40,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:40,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:40,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:40,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:40,313 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 479 [2023-11-29 03:07:40,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 442 transitions, 1256 flow. Second operand has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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) [2023-11-29 03:07:40,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:40,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 479 [2023-11-29 03:07:40,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:40,564 INFO L124 PetriNetUnfolderBase]: 50/1498 cut-off events. [2023-11-29 03:07:40,564 INFO L125 PetriNetUnfolderBase]: For 267/270 co-relation queries the response was YES. [2023-11-29 03:07:40,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2029 conditions, 1498 events. 50/1498 cut-off events. For 267/270 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7275 event pairs, 6 based on Foata normal form. 0/1423 useless extension candidates. Maximal degree in co-relation 1956. Up to 36 conditions per place. [2023-11-29 03:07:40,574 INFO L140 encePairwiseOnDemand]: 475/479 looper letters, 11 selfloop transitions, 1 changer transitions 0/439 dead transitions. [2023-11-29 03:07:40,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 439 transitions, 1274 flow [2023-11-29 03:07:40,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:40,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1359 transitions. [2023-11-29 03:07:40,576 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9457202505219207 [2023-11-29 03:07:40,576 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1359 transitions. [2023-11-29 03:07:40,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1359 transitions. [2023-11-29 03:07:40,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:40,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1359 transitions. [2023-11-29 03:07:40,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.0) internal successors, (1359), 3 states have internal predecessors, (1359), 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) [2023-11-29 03:07:40,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:40,581 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:40,581 INFO L175 Difference]: Start difference. First operand has 459 places, 442 transitions, 1256 flow. Second operand 3 states and 1359 transitions. [2023-11-29 03:07:40,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 439 transitions, 1274 flow [2023-11-29 03:07:40,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 439 transitions, 1274 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:07:40,590 INFO L231 Difference]: Finished difference. Result has 458 places, 439 transitions, 1252 flow [2023-11-29 03:07:40,591 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1250, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1252, PETRI_PLACES=458, PETRI_TRANSITIONS=439} [2023-11-29 03:07:40,591 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 22 predicate places. [2023-11-29 03:07:40,591 INFO L495 AbstractCegarLoop]: Abstraction has has 458 places, 439 transitions, 1252 flow [2023-11-29 03:07:40,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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) [2023-11-29 03:07:40,592 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:40,592 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:40,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 03:07:40,592 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:40,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:40,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1401133386, now seen corresponding path program 1 times [2023-11-29 03:07:40,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:40,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886638160] [2023-11-29 03:07:40,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:40,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:41,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:07:41,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:41,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886638160] [2023-11-29 03:07:41,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886638160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:41,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:41,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:07:41,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627504237] [2023-11-29 03:07:41,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:41,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:07:41,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:41,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:07:41,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:07:41,540 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 479 [2023-11-29 03:07:41,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 439 transitions, 1252 flow. Second operand has 6 states, 6 states have (on average 438.0) internal successors, (2628), 6 states have internal predecessors, (2628), 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) [2023-11-29 03:07:41,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:41,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 479 [2023-11-29 03:07:41,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:41,772 INFO L124 PetriNetUnfolderBase]: 76/1422 cut-off events. [2023-11-29 03:07:41,772 INFO L125 PetriNetUnfolderBase]: For 321/326 co-relation queries the response was YES. [2023-11-29 03:07:41,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2018 conditions, 1422 events. 76/1422 cut-off events. For 321/326 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 7416 event pairs, 7 based on Foata normal form. 0/1362 useless extension candidates. Maximal degree in co-relation 1943. Up to 66 conditions per place. [2023-11-29 03:07:41,781 INFO L140 encePairwiseOnDemand]: 472/479 looper letters, 29 selfloop transitions, 5 changer transitions 0/442 dead transitions. [2023-11-29 03:07:41,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 442 transitions, 1331 flow [2023-11-29 03:07:41,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:07:41,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:07:41,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2643 transitions. [2023-11-29 03:07:41,783 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9196242171189979 [2023-11-29 03:07:41,784 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2643 transitions. [2023-11-29 03:07:41,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2643 transitions. [2023-11-29 03:07:41,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:41,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2643 transitions. [2023-11-29 03:07:41,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 440.5) internal successors, (2643), 6 states have internal predecessors, (2643), 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) [2023-11-29 03:07:41,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:41,791 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:41,791 INFO L175 Difference]: Start difference. First operand has 458 places, 439 transitions, 1252 flow. Second operand 6 states and 2643 transitions. [2023-11-29 03:07:41,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 442 transitions, 1331 flow [2023-11-29 03:07:41,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 442 transitions, 1330 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:07:41,803 INFO L231 Difference]: Finished difference. Result has 460 places, 437 transitions, 1257 flow [2023-11-29 03:07:41,803 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1247, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1257, PETRI_PLACES=460, PETRI_TRANSITIONS=437} [2023-11-29 03:07:41,804 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 24 predicate places. [2023-11-29 03:07:41,804 INFO L495 AbstractCegarLoop]: Abstraction has has 460 places, 437 transitions, 1257 flow [2023-11-29 03:07:41,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 438.0) internal successors, (2628), 6 states have internal predecessors, (2628), 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) [2023-11-29 03:07:41,805 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:41,805 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:41,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 03:07:41,805 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:41,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:41,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1870559491, now seen corresponding path program 1 times [2023-11-29 03:07:41,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:41,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105966989] [2023-11-29 03:07:41,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:41,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:42,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:07:42,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:42,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105966989] [2023-11-29 03:07:42,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105966989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:42,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:42,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:07:42,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054563380] [2023-11-29 03:07:42,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:42,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:07:42,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:42,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:07:42,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:07:42,668 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 479 [2023-11-29 03:07:42,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 437 transitions, 1257 flow. Second operand has 6 states, 6 states have (on average 437.8333333333333) internal successors, (2627), 6 states have internal predecessors, (2627), 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) [2023-11-29 03:07:42,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:42,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 479 [2023-11-29 03:07:42,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:42,999 INFO L124 PetriNetUnfolderBase]: 60/1480 cut-off events. [2023-11-29 03:07:42,999 INFO L125 PetriNetUnfolderBase]: For 303/345 co-relation queries the response was YES. [2023-11-29 03:07:43,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2072 conditions, 1480 events. 60/1480 cut-off events. For 303/345 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7055 event pairs, 6 based on Foata normal form. 7/1423 useless extension candidates. Maximal degree in co-relation 1997. Up to 67 conditions per place. [2023-11-29 03:07:43,009 INFO L140 encePairwiseOnDemand]: 472/479 looper letters, 30 selfloop transitions, 5 changer transitions 0/441 dead transitions. [2023-11-29 03:07:43,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 441 transitions, 1341 flow [2023-11-29 03:07:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:07:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:07:43,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2644 transitions. [2023-11-29 03:07:43,012 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9199721642310369 [2023-11-29 03:07:43,012 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2644 transitions. [2023-11-29 03:07:43,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2644 transitions. [2023-11-29 03:07:43,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:43,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2644 transitions. [2023-11-29 03:07:43,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 440.6666666666667) internal successors, (2644), 6 states have internal predecessors, (2644), 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) [2023-11-29 03:07:43,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:43,018 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:43,018 INFO L175 Difference]: Start difference. First operand has 460 places, 437 transitions, 1257 flow. Second operand 6 states and 2644 transitions. [2023-11-29 03:07:43,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 441 transitions, 1341 flow [2023-11-29 03:07:43,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 441 transitions, 1331 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 03:07:43,027 INFO L231 Difference]: Finished difference. Result has 458 places, 435 transitions, 1253 flow [2023-11-29 03:07:43,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1243, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1253, PETRI_PLACES=458, PETRI_TRANSITIONS=435} [2023-11-29 03:07:43,028 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 22 predicate places. [2023-11-29 03:07:43,028 INFO L495 AbstractCegarLoop]: Abstraction has has 458 places, 435 transitions, 1253 flow [2023-11-29 03:07:43,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 437.8333333333333) internal successors, (2627), 6 states have internal predecessors, (2627), 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) [2023-11-29 03:07:43,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:43,029 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:43,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 03:07:43,029 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:43,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:43,029 INFO L85 PathProgramCache]: Analyzing trace with hash -464201615, now seen corresponding path program 1 times [2023-11-29 03:07:43,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:43,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645810510] [2023-11-29 03:07:43,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:43,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:07:43,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:43,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645810510] [2023-11-29 03:07:43,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645810510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:43,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:43,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:43,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662100785] [2023-11-29 03:07:43,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:43,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:43,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:43,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:43,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:43,103 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 479 [2023-11-29 03:07:43,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 435 transitions, 1253 flow. Second operand has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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) [2023-11-29 03:07:43,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:43,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 479 [2023-11-29 03:07:43,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:43,385 INFO L124 PetriNetUnfolderBase]: 60/1585 cut-off events. [2023-11-29 03:07:43,385 INFO L125 PetriNetUnfolderBase]: For 262/268 co-relation queries the response was YES. [2023-11-29 03:07:43,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2126 conditions, 1585 events. 60/1585 cut-off events. For 262/268 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7921 event pairs, 9 based on Foata normal form. 6/1531 useless extension candidates. Maximal degree in co-relation 2052. Up to 45 conditions per place. [2023-11-29 03:07:43,393 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 5 selfloop transitions, 0 changer transitions 70/434 dead transitions. [2023-11-29 03:07:43,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 434 transitions, 1277 flow [2023-11-29 03:07:43,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:43,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1360 transitions. [2023-11-29 03:07:43,396 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9464161447459986 [2023-11-29 03:07:43,396 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1360 transitions. [2023-11-29 03:07:43,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1360 transitions. [2023-11-29 03:07:43,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:43,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1360 transitions. [2023-11-29 03:07:43,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.3333333333333) internal successors, (1360), 3 states have internal predecessors, (1360), 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) [2023-11-29 03:07:43,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:43,399 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:43,399 INFO L175 Difference]: Start difference. First operand has 458 places, 435 transitions, 1253 flow. Second operand 3 states and 1360 transitions. [2023-11-29 03:07:43,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 434 transitions, 1277 flow [2023-11-29 03:07:43,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 434 transitions, 1267 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 03:07:43,407 INFO L231 Difference]: Finished difference. Result has 452 places, 364 transitions, 906 flow [2023-11-29 03:07:43,407 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1237, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=906, PETRI_PLACES=452, PETRI_TRANSITIONS=364} [2023-11-29 03:07:43,408 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 16 predicate places. [2023-11-29 03:07:43,408 INFO L495 AbstractCegarLoop]: Abstraction has has 452 places, 364 transitions, 906 flow [2023-11-29 03:07:43,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 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) [2023-11-29 03:07:43,408 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:43,408 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:43,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 03:07:43,409 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:43,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:43,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1980657956, now seen corresponding path program 1 times [2023-11-29 03:07:43,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:43,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270002101] [2023-11-29 03:07:43,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:43,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:07:43,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:43,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270002101] [2023-11-29 03:07:43,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270002101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:43,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:43,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:07:43,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153985928] [2023-11-29 03:07:43,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:43,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:07:43,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:43,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:07:43,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:07:44,253 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 479 [2023-11-29 03:07:44,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 364 transitions, 906 flow. Second operand has 6 states, 6 states have (on average 438.0) internal successors, (2628), 6 states have internal predecessors, (2628), 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) [2023-11-29 03:07:44,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:44,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 479 [2023-11-29 03:07:44,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:44,425 INFO L124 PetriNetUnfolderBase]: 47/799 cut-off events. [2023-11-29 03:07:44,425 INFO L125 PetriNetUnfolderBase]: For 132/134 co-relation queries the response was YES. [2023-11-29 03:07:44,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1137 conditions, 799 events. 47/799 cut-off events. For 132/134 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3233 event pairs, 4 based on Foata normal form. 0/776 useless extension candidates. Maximal degree in co-relation 1111. Up to 42 conditions per place. [2023-11-29 03:07:44,431 INFO L140 encePairwiseOnDemand]: 472/479 looper letters, 24 selfloop transitions, 5 changer transitions 0/366 dead transitions. [2023-11-29 03:07:44,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 366 transitions, 972 flow [2023-11-29 03:07:44,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:07:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:07:44,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2641 transitions. [2023-11-29 03:07:44,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.91892832289492 [2023-11-29 03:07:44,434 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2641 transitions. [2023-11-29 03:07:44,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2641 transitions. [2023-11-29 03:07:44,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:44,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2641 transitions. [2023-11-29 03:07:44,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 440.1666666666667) internal successors, (2641), 6 states have internal predecessors, (2641), 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) [2023-11-29 03:07:44,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:44,440 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 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) [2023-11-29 03:07:44,440 INFO L175 Difference]: Start difference. First operand has 452 places, 364 transitions, 906 flow. Second operand 6 states and 2641 transitions. [2023-11-29 03:07:44,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 366 transitions, 972 flow [2023-11-29 03:07:44,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 366 transitions, 878 flow, removed 16 selfloop flow, removed 28 redundant places. [2023-11-29 03:07:44,448 INFO L231 Difference]: Finished difference. Result has 376 places, 362 transitions, 818 flow [2023-11-29 03:07:44,448 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=818, PETRI_PLACES=376, PETRI_TRANSITIONS=362} [2023-11-29 03:07:44,448 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -60 predicate places. [2023-11-29 03:07:44,448 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 362 transitions, 818 flow [2023-11-29 03:07:44,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 438.0) internal successors, (2628), 6 states have internal predecessors, (2628), 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) [2023-11-29 03:07:44,449 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:44,449 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:44,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 03:07:44,449 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:44,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:44,450 INFO L85 PathProgramCache]: Analyzing trace with hash -2117975329, now seen corresponding path program 1 times [2023-11-29 03:07:44,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:44,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822934143] [2023-11-29 03:07:44,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:44,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:07:44,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:44,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822934143] [2023-11-29 03:07:44,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822934143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:44,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:44,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:44,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763938077] [2023-11-29 03:07:44,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:44,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:44,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:44,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:44,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:44,537 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 479 [2023-11-29 03:07:44,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 362 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 451.6666666666667) internal successors, (1355), 3 states have internal predecessors, (1355), 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) [2023-11-29 03:07:44,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:44,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 479 [2023-11-29 03:07:44,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:44,665 INFO L124 PetriNetUnfolderBase]: 29/898 cut-off events. [2023-11-29 03:07:44,665 INFO L125 PetriNetUnfolderBase]: For 31/32 co-relation queries the response was YES. [2023-11-29 03:07:44,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1072 conditions, 898 events. 29/898 cut-off events. For 31/32 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3087 event pairs, 3 based on Foata normal form. 0/872 useless extension candidates. Maximal degree in co-relation 1059. Up to 21 conditions per place. [2023-11-29 03:07:44,670 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 7 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2023-11-29 03:07:44,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 362 transitions, 837 flow [2023-11-29 03:07:44,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:44,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1360 transitions. [2023-11-29 03:07:44,672 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9464161447459986 [2023-11-29 03:07:44,672 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1360 transitions. [2023-11-29 03:07:44,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1360 transitions. [2023-11-29 03:07:44,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:44,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1360 transitions. [2023-11-29 03:07:44,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.3333333333333) internal successors, (1360), 3 states have internal predecessors, (1360), 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) [2023-11-29 03:07:44,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:44,674 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:44,674 INFO L175 Difference]: Start difference. First operand has 376 places, 362 transitions, 818 flow. Second operand 3 states and 1360 transitions. [2023-11-29 03:07:44,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 362 transitions, 837 flow [2023-11-29 03:07:44,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 362 transitions, 827 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 03:07:44,679 INFO L231 Difference]: Finished difference. Result has 372 places, 361 transitions, 810 flow [2023-11-29 03:07:44,680 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=372, PETRI_TRANSITIONS=361} [2023-11-29 03:07:44,680 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -64 predicate places. [2023-11-29 03:07:44,680 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 361 transitions, 810 flow [2023-11-29 03:07:44,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 451.6666666666667) internal successors, (1355), 3 states have internal predecessors, (1355), 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) [2023-11-29 03:07:44,681 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:07:44,681 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:07:44,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 03:07:44,681 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-11-29 03:07:44,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:07:44,681 INFO L85 PathProgramCache]: Analyzing trace with hash 961211795, now seen corresponding path program 1 times [2023-11-29 03:07:44,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:07:44,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681900665] [2023-11-29 03:07:44,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:07:44,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:07:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:07:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:07:44,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:07:44,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681900665] [2023-11-29 03:07:44,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681900665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:07:44,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:07:44,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:07:44,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592647717] [2023-11-29 03:07:44,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:07:44,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:07:44,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:07:44,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:07:44,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:07:44,763 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 450 out of 479 [2023-11-29 03:07:44,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 361 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 452.0) internal successors, (1356), 3 states have internal predecessors, (1356), 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) [2023-11-29 03:07:44,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:07:44,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 450 of 479 [2023-11-29 03:07:44,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:07:44,864 INFO L124 PetriNetUnfolderBase]: 35/756 cut-off events. [2023-11-29 03:07:44,864 INFO L125 PetriNetUnfolderBase]: For 36/38 co-relation queries the response was YES. [2023-11-29 03:07:44,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 905 conditions, 756 events. 35/756 cut-off events. For 36/38 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2768 event pairs, 4 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 892. Up to 20 conditions per place. [2023-11-29 03:07:44,868 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 0 selfloop transitions, 0 changer transitions 361/361 dead transitions. [2023-11-29 03:07:44,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 361 transitions, 829 flow [2023-11-29 03:07:44,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:07:44,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:07:44,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1360 transitions. [2023-11-29 03:07:44,870 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9464161447459986 [2023-11-29 03:07:44,870 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1360 transitions. [2023-11-29 03:07:44,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1360 transitions. [2023-11-29 03:07:44,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:07:44,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1360 transitions. [2023-11-29 03:07:44,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.3333333333333) internal successors, (1360), 3 states have internal predecessors, (1360), 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) [2023-11-29 03:07:44,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:44,874 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 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) [2023-11-29 03:07:44,874 INFO L175 Difference]: Start difference. First operand has 372 places, 361 transitions, 810 flow. Second operand 3 states and 1360 transitions. [2023-11-29 03:07:44,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 361 transitions, 829 flow [2023-11-29 03:07:44,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 361 transitions, 825 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:07:44,879 INFO L231 Difference]: Finished difference. Result has 371 places, 0 transitions, 0 flow [2023-11-29 03:07:44,880 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=371, PETRI_TRANSITIONS=0} [2023-11-29 03:07:44,880 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -65 predicate places. [2023-11-29 03:07:44,880 INFO L495 AbstractCegarLoop]: Abstraction has has 371 places, 0 transitions, 0 flow [2023-11-29 03:07:44,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 452.0) internal successors, (1356), 3 states have internal predecessors, (1356), 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) [2023-11-29 03:07:44,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2023-11-29 03:07:44,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2023-11-29 03:07:44,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2023-11-29 03:07:44,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2023-11-29 03:07:44,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2023-11-29 03:07:44,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2023-11-29 03:07:44,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2023-11-29 03:07:44,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2023-11-29 03:07:44,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2023-11-29 03:07:44,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2023-11-29 03:07:44,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2023-11-29 03:07:44,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2023-11-29 03:07:44,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2023-11-29 03:07:44,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2023-11-29 03:07:44,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2023-11-29 03:07:44,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2023-11-29 03:07:44,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2023-11-29 03:07:44,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2023-11-29 03:07:44,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2023-11-29 03:07:44,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2023-11-29 03:07:44,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2023-11-29 03:07:44,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2023-11-29 03:07:44,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2023-11-29 03:07:44,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2023-11-29 03:07:44,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2023-11-29 03:07:44,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2023-11-29 03:07:44,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2023-11-29 03:07:44,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2023-11-29 03:07:44,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2023-11-29 03:07:44,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2023-11-29 03:07:44,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2023-11-29 03:07:44,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2023-11-29 03:07:44,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2023-11-29 03:07:44,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2023-11-29 03:07:44,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 03:07:44,890 INFO L445 BasicCegarLoop]: Path program 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] [2023-11-29 03:07:44,895 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 03:07:44,895 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:07:44,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:07:44 BasicIcfg [2023-11-29 03:07:44,899 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:07:44,899 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:07:44,899 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:07:44,900 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:07:44,900 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:07:24" (3/4) ... [2023-11-29 03:07:44,901 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:07:44,904 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 03:07:44,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 03:07:44,912 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-29 03:07:44,912 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 03:07:44,913 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 03:07:44,913 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 03:07:45,012 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:07:45,013 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:07:45,013 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:07:45,014 INFO L158 Benchmark]: Toolchain (without parser) took 21353.67ms. Allocated memory was 163.6MB in the beginning and 952.1MB in the end (delta: 788.5MB). Free memory was 126.7MB in the beginning and 451.4MB in the end (delta: -324.7MB). Peak memory consumption was 465.4MB. Max. memory is 16.1GB. [2023-11-29 03:07:45,014 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:07:45,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.43ms. Allocated memory is still 163.6MB. Free memory was 126.7MB in the beginning and 113.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 03:07:45,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.10ms. Allocated memory is still 163.6MB. Free memory was 113.6MB in the beginning and 109.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:07:45,015 INFO L158 Benchmark]: Boogie Preprocessor took 55.63ms. Allocated memory is still 163.6MB. Free memory was 109.9MB in the beginning and 106.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:07:45,016 INFO L158 Benchmark]: RCFGBuilder took 756.92ms. Allocated memory is still 163.6MB. Free memory was 106.9MB in the beginning and 123.3MB in the end (delta: -16.4MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-29 03:07:45,016 INFO L158 Benchmark]: TraceAbstraction took 20073.89ms. Allocated memory was 163.6MB in the beginning and 952.1MB in the end (delta: 788.5MB). Free memory was 122.5MB in the beginning and 457.7MB in the end (delta: -335.1MB). Peak memory consumption was 452.0MB. Max. memory is 16.1GB. [2023-11-29 03:07:45,017 INFO L158 Benchmark]: Witness Printer took 113.80ms. Allocated memory is still 952.1MB. Free memory was 457.7MB in the beginning and 451.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 03:07:45,019 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.43ms. Allocated memory is still 163.6MB. Free memory was 126.7MB in the beginning and 113.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.10ms. Allocated memory is still 163.6MB. Free memory was 113.6MB in the beginning and 109.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.63ms. Allocated memory is still 163.6MB. Free memory was 109.9MB in the beginning and 106.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 756.92ms. Allocated memory is still 163.6MB. Free memory was 106.9MB in the beginning and 123.3MB in the end (delta: -16.4MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * TraceAbstraction took 20073.89ms. Allocated memory was 163.6MB in the beginning and 952.1MB in the end (delta: 788.5MB). Free memory was 122.5MB in the beginning and 457.7MB in the end (delta: -335.1MB). Peak memory consumption was 452.0MB. Max. memory is 16.1GB. * Witness Printer took 113.80ms. Allocated memory is still 952.1MB. Free memory was 457.7MB in the beginning and 451.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 676 locations, 74 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 19.9s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4278 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2626 mSDsluCounter, 4258 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3722 mSDsCounter, 1029 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5974 IncrementalHoareTripleChecker+Invalid, 7003 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1029 mSolverCounterUnsat, 536 mSDtfsCounter, 5974 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1275occurred in iteration=18, InterpolantAutomatonStates: 137, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 3447 NumberOfCodeBlocks, 3447 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3420 ConstructedInterpolants, 0 QuantifiedInterpolants, 5003 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 03:07:45,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcbd0e1-ed44-415e-b363-4baa6bdd54bf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE