./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/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_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/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_5cedb9e0-3d98-430e-951d-2139c11d9538/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 f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:58:04,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:58:04,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:58:04,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:58:04,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:58:04,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:58:04,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:58:04,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:58:04,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:58:04,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:58:04,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:58:04,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:58:04,982 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:58:04,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:58:04,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:58:04,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:58:04,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:58:04,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:58:04,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:58:04,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:58:04,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:58:04,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:58:04,987 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:58:04,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:58:04,988 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:58:04,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:58:04,989 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:58:04,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:58:04,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:58:04,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:58:04,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:58:04,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:58:04,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:58:04,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:58:04,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:58:04,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:58:04,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:58:04,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:58:04,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:58:04,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:58:04,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:58:04,994 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_5cedb9e0-3d98-430e-951d-2139c11d9538/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 [2023-11-29 02:58:05,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:58:05,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:58:05,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:58:05,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:58:05,241 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:58:05,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2023-11-29 02:58:08,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:58:08,255 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:58:08,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2023-11-29 02:58:08,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/data/b28ab53f6/edb4f164b0ea42009bcaf3c714cb1df9/FLAG783207150 [2023-11-29 02:58:08,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/data/b28ab53f6/edb4f164b0ea42009bcaf3c714cb1df9 [2023-11-29 02:58:08,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:58:08,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:58:08,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:58:08,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:58:08,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:58:08,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbe8a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08, skipping insertion in model container [2023-11-29 02:58:08,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:58:08,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:58:08,531 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:58:08,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:58:08,590 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:58:08,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08 WrapperNode [2023-11-29 02:58:08,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:58:08,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:58:08,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:58:08,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:58:08,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,654 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 472 [2023-11-29 02:58:08,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:58:08,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:58:08,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:58:08,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:58:08,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:58:08,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:58:08,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:58:08,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:58:08,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08" (1/1) ... [2023-11-29 02:58:08,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:58:08,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:58:08,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:58:08,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:58:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:58:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:58:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:58:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 02:58:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 02:58:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 02:58:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 02:58:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 02:58:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 02:58:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 02:58:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:58:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 02:58:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:58:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:58:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:58:08,791 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 02:58:08,908 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:58:08,910 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:58:09,587 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:58:09,606 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:58:09,607 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 02:58:09,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:58:09 BoogieIcfgContainer [2023-11-29 02:58:09,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:58:09,612 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:58:09,612 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:58:09,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:58:09,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:58:08" (1/3) ... [2023-11-29 02:58:09,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1911f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:58:09, skipping insertion in model container [2023-11-29 02:58:09,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:58:08" (2/3) ... [2023-11-29 02:58:09,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1911f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:58:09, skipping insertion in model container [2023-11-29 02:58:09,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:58:09" (3/3) ... [2023-11-29 02:58:09,618 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2023-11-29 02:58:09,627 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:58:09,638 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:58:09,638 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2023-11-29 02:58:09,638 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:58:09,794 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 02:58:09,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 584 places, 607 transitions, 1235 flow [2023-11-29 02:58:10,043 INFO L124 PetriNetUnfolderBase]: 33/604 cut-off events. [2023-11-29 02:58:10,044 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 02:58:10,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 604 events. 33/604 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1331 event pairs, 0 based on Foata normal form. 0/523 useless extension candidates. Maximal degree in co-relation 433. Up to 2 conditions per place. [2023-11-29 02:58:10,057 INFO L82 GeneralOperation]: Start removeDead. Operand has 584 places, 607 transitions, 1235 flow [2023-11-29 02:58:10,070 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 556 places, 577 transitions, 1172 flow [2023-11-29 02:58:10,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:58:10,084 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;@35857988, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:58:10,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2023-11-29 02:58:10,092 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:58:10,092 INFO L124 PetriNetUnfolderBase]: 3/63 cut-off events. [2023-11-29 02:58:10,092 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:58:10,093 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:10,093 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] [2023-11-29 02:58:10,093 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:10,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:10,098 INFO L85 PathProgramCache]: Analyzing trace with hash 62239965, now seen corresponding path program 1 times [2023-11-29 02:58:10,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:10,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137642737] [2023-11-29 02:58:10,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:10,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:10,878 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 02:58:10,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:10,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137642737] [2023-11-29 02:58:10,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137642737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:10,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:10,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:58:10,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807433521] [2023-11-29 02:58:10,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:10,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:58:10,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:10,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:58:10,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:58:11,501 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 607 [2023-11-29 02:58:11,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 577 transitions, 1172 flow. Second operand has 6 states, 6 states have (on average 501.5) internal successors, (3009), 6 states have internal predecessors, (3009), 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 02:58:11,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:11,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 607 [2023-11-29 02:58:11,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:24,443 INFO L124 PetriNetUnfolderBase]: 12109/68352 cut-off events. [2023-11-29 02:58:24,443 INFO L125 PetriNetUnfolderBase]: For 652/742 co-relation queries the response was YES. [2023-11-29 02:58:24,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84263 conditions, 68352 events. 12109/68352 cut-off events. For 652/742 co-relation queries the response was YES. Maximal size of possible extension queue 1208. Compared 1048035 event pairs, 9904 based on Foata normal form. 4713/62908 useless extension candidates. Maximal degree in co-relation 78805. Up to 15528 conditions per place. [2023-11-29 02:58:25,345 INFO L140 encePairwiseOnDemand]: 568/607 looper letters, 66 selfloop transitions, 15 changer transitions 6/553 dead transitions. [2023-11-29 02:58:25,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 558 places, 553 transitions, 1286 flow [2023-11-29 02:58:25,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:58:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:58:25,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3105 transitions. [2023-11-29 02:58:25,373 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8525535420098846 [2023-11-29 02:58:25,374 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3105 transitions. [2023-11-29 02:58:25,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3105 transitions. [2023-11-29 02:58:25,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:25,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3105 transitions. [2023-11-29 02:58:25,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 517.5) internal successors, (3105), 6 states have internal predecessors, (3105), 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 02:58:25,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:58:25,421 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:58:25,423 INFO L175 Difference]: Start difference. First operand has 556 places, 577 transitions, 1172 flow. Second operand 6 states and 3105 transitions. [2023-11-29 02:58:25,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 558 places, 553 transitions, 1286 flow [2023-11-29 02:58:25,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 553 transitions, 1274 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 02:58:25,450 INFO L231 Difference]: Finished difference. Result has 552 places, 547 transitions, 1130 flow [2023-11-29 02:58:25,454 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1112, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1130, PETRI_PLACES=552, PETRI_TRANSITIONS=547} [2023-11-29 02:58:25,457 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -4 predicate places. [2023-11-29 02:58:25,458 INFO L495 AbstractCegarLoop]: Abstraction has has 552 places, 547 transitions, 1130 flow [2023-11-29 02:58:25,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 501.5) internal successors, (3009), 6 states have internal predecessors, (3009), 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 02:58:25,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:25,461 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] [2023-11-29 02:58:25,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:58:25,461 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:25,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:25,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1449624158, now seen corresponding path program 1 times [2023-11-29 02:58:25,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:25,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574178842] [2023-11-29 02:58:25,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:25,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:25,512 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 02:58:25,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:25,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574178842] [2023-11-29 02:58:25,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574178842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:25,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:25,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:25,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520182323] [2023-11-29 02:58:25,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:25,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:25,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:25,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:25,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:25,535 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 607 [2023-11-29 02:58:25,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 547 transitions, 1130 flow. Second operand has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:25,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:25,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 607 [2023-11-29 02:58:25,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:25,724 INFO L124 PetriNetUnfolderBase]: 19/785 cut-off events. [2023-11-29 02:58:25,725 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-11-29 02:58:25,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 831 conditions, 785 events. 19/785 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2935 event pairs, 5 based on Foata normal form. 0/686 useless extension candidates. Maximal degree in co-relation 783. Up to 22 conditions per place. [2023-11-29 02:58:25,736 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 11 selfloop transitions, 2 changer transitions 0/546 dead transitions. [2023-11-29 02:58:25,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 546 transitions, 1154 flow [2023-11-29 02:58:25,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:25,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1721 transitions. [2023-11-29 02:58:25,742 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9450851180669961 [2023-11-29 02:58:25,742 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1721 transitions. [2023-11-29 02:58:25,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1721 transitions. [2023-11-29 02:58:25,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:25,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1721 transitions. [2023-11-29 02:58:25,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.6666666666666) internal successors, (1721), 3 states have internal predecessors, (1721), 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 02:58:25,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:25,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:25,760 INFO L175 Difference]: Start difference. First operand has 552 places, 547 transitions, 1130 flow. Second operand 3 states and 1721 transitions. [2023-11-29 02:58:25,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 546 transitions, 1154 flow [2023-11-29 02:58:25,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 546 transitions, 1124 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:58:25,775 INFO L231 Difference]: Finished difference. Result has 542 places, 546 transitions, 1102 flow [2023-11-29 02:58:25,777 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1098, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1102, PETRI_PLACES=542, PETRI_TRANSITIONS=546} [2023-11-29 02:58:25,778 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -14 predicate places. [2023-11-29 02:58:25,778 INFO L495 AbstractCegarLoop]: Abstraction has has 542 places, 546 transitions, 1102 flow [2023-11-29 02:58:25,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:25,780 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:25,780 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] [2023-11-29 02:58:25,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:58:25,780 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:25,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:25,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1356644237, now seen corresponding path program 1 times [2023-11-29 02:58:25,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:25,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078727445] [2023-11-29 02:58:25,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:25,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:25,844 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 02:58:25,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:25,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078727445] [2023-11-29 02:58:25,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078727445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:25,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:25,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:25,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209327767] [2023-11-29 02:58:25,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:25,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:25,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:25,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:25,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:25,867 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 607 [2023-11-29 02:58:25,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 546 transitions, 1102 flow. Second operand has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:25,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:25,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 607 [2023-11-29 02:58:25,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:26,279 INFO L124 PetriNetUnfolderBase]: 25/997 cut-off events. [2023-11-29 02:58:26,279 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2023-11-29 02:58:26,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 997 events. 25/997 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4234 event pairs, 7 based on Foata normal form. 0/863 useless extension candidates. Maximal degree in co-relation 962. Up to 25 conditions per place. [2023-11-29 02:58:26,295 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 11 selfloop transitions, 2 changer transitions 0/545 dead transitions. [2023-11-29 02:58:26,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 545 transitions, 1126 flow [2023-11-29 02:58:26,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:26,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:26,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1721 transitions. [2023-11-29 02:58:26,301 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9450851180669961 [2023-11-29 02:58:26,301 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1721 transitions. [2023-11-29 02:58:26,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1721 transitions. [2023-11-29 02:58:26,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:26,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1721 transitions. [2023-11-29 02:58:26,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.6666666666666) internal successors, (1721), 3 states have internal predecessors, (1721), 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 02:58:26,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:26,314 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:26,314 INFO L175 Difference]: Start difference. First operand has 542 places, 546 transitions, 1102 flow. Second operand 3 states and 1721 transitions. [2023-11-29 02:58:26,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 545 transitions, 1126 flow [2023-11-29 02:58:26,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 545 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:26,326 INFO L231 Difference]: Finished difference. Result has 541 places, 545 transitions, 1100 flow [2023-11-29 02:58:26,327 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1096, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1100, PETRI_PLACES=541, PETRI_TRANSITIONS=545} [2023-11-29 02:58:26,328 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -15 predicate places. [2023-11-29 02:58:26,328 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 545 transitions, 1100 flow [2023-11-29 02:58:26,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:26,329 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:26,330 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 02:58:26,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:58:26,330 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:26,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:26,330 INFO L85 PathProgramCache]: Analyzing trace with hash -171186374, now seen corresponding path program 1 times [2023-11-29 02:58:26,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:26,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893902971] [2023-11-29 02:58:26,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:26,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:26,400 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 02:58:26,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:26,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893902971] [2023-11-29 02:58:26,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893902971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:26,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:26,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:26,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756568585] [2023-11-29 02:58:26,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:26,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:26,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:26,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:26,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:26,419 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 607 [2023-11-29 02:58:26,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 545 transitions, 1100 flow. Second operand has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:26,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:26,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 607 [2023-11-29 02:58:26,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:26,549 INFO L124 PetriNetUnfolderBase]: 19/697 cut-off events. [2023-11-29 02:58:26,549 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-29 02:58:26,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 697 events. 19/697 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2319 event pairs, 7 based on Foata normal form. 0/615 useless extension candidates. Maximal degree in co-relation 612. Up to 25 conditions per place. [2023-11-29 02:58:26,558 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 11 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2023-11-29 02:58:26,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 544 transitions, 1124 flow [2023-11-29 02:58:26,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1721 transitions. [2023-11-29 02:58:26,563 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9450851180669961 [2023-11-29 02:58:26,564 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1721 transitions. [2023-11-29 02:58:26,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1721 transitions. [2023-11-29 02:58:26,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:26,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1721 transitions. [2023-11-29 02:58:26,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.6666666666666) internal successors, (1721), 3 states have internal predecessors, (1721), 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 02:58:26,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:26,577 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:26,577 INFO L175 Difference]: Start difference. First operand has 541 places, 545 transitions, 1100 flow. Second operand 3 states and 1721 transitions. [2023-11-29 02:58:26,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 544 transitions, 1124 flow [2023-11-29 02:58:26,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 544 transitions, 1120 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:26,590 INFO L231 Difference]: Finished difference. Result has 540 places, 544 transitions, 1098 flow [2023-11-29 02:58:26,591 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1094, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1098, PETRI_PLACES=540, PETRI_TRANSITIONS=544} [2023-11-29 02:58:26,592 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -16 predicate places. [2023-11-29 02:58:26,592 INFO L495 AbstractCegarLoop]: Abstraction has has 540 places, 544 transitions, 1098 flow [2023-11-29 02:58:26,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:26,594 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:26,594 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] [2023-11-29 02:58:26,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:58:26,594 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:26,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:26,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1695643292, now seen corresponding path program 1 times [2023-11-29 02:58:26,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:26,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176514754] [2023-11-29 02:58:26,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:26,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:26,659 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 02:58:26,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:26,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176514754] [2023-11-29 02:58:26,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176514754] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:26,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:26,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:26,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062904696] [2023-11-29 02:58:26,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:26,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:26,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:26,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:26,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:26,677 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 607 [2023-11-29 02:58:26,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 544 transitions, 1098 flow. Second operand has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:26,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:26,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 607 [2023-11-29 02:58:26,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:26,872 INFO L124 PetriNetUnfolderBase]: 21/863 cut-off events. [2023-11-29 02:58:26,873 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 02:58:26,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 896 conditions, 863 events. 21/863 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3538 event pairs, 5 based on Foata normal form. 0/752 useless extension candidates. Maximal degree in co-relation 729. Up to 22 conditions per place. [2023-11-29 02:58:26,886 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 11 selfloop transitions, 2 changer transitions 0/543 dead transitions. [2023-11-29 02:58:26,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 543 transitions, 1122 flow [2023-11-29 02:58:26,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:26,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:26,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1721 transitions. [2023-11-29 02:58:26,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9450851180669961 [2023-11-29 02:58:26,892 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1721 transitions. [2023-11-29 02:58:26,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1721 transitions. [2023-11-29 02:58:26,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:26,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1721 transitions. [2023-11-29 02:58:26,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.6666666666666) internal successors, (1721), 3 states have internal predecessors, (1721), 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 02:58:26,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:26,902 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:26,902 INFO L175 Difference]: Start difference. First operand has 540 places, 544 transitions, 1098 flow. Second operand 3 states and 1721 transitions. [2023-11-29 02:58:26,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 543 transitions, 1122 flow [2023-11-29 02:58:26,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 543 transitions, 1118 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:26,911 INFO L231 Difference]: Finished difference. Result has 539 places, 543 transitions, 1096 flow [2023-11-29 02:58:26,912 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1096, PETRI_PLACES=539, PETRI_TRANSITIONS=543} [2023-11-29 02:58:26,912 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -17 predicate places. [2023-11-29 02:58:26,913 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 543 transitions, 1096 flow [2023-11-29 02:58:26,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:26,914 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:26,915 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] [2023-11-29 02:58:26,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:58:26,915 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:26,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:26,915 INFO L85 PathProgramCache]: Analyzing trace with hash -649049499, now seen corresponding path program 1 times [2023-11-29 02:58:26,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:26,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231829268] [2023-11-29 02:58:26,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:26,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:26,958 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 02:58:26,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:26,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231829268] [2023-11-29 02:58:26,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231829268] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:26,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:26,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:26,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683066584] [2023-11-29 02:58:26,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:26,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:26,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:26,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:26,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:26,978 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 607 [2023-11-29 02:58:26,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 543 transitions, 1096 flow. Second operand has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:26,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:26,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 607 [2023-11-29 02:58:26,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:27,159 INFO L124 PetriNetUnfolderBase]: 27/1062 cut-off events. [2023-11-29 02:58:27,159 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 02:58:27,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1100 conditions, 1062 events. 27/1062 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4846 event pairs, 7 based on Foata normal form. 0/918 useless extension candidates. Maximal degree in co-relation 926. Up to 25 conditions per place. [2023-11-29 02:58:27,173 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 11 selfloop transitions, 2 changer transitions 0/542 dead transitions. [2023-11-29 02:58:27,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 542 transitions, 1120 flow [2023-11-29 02:58:27,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:27,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1721 transitions. [2023-11-29 02:58:27,178 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9450851180669961 [2023-11-29 02:58:27,178 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1721 transitions. [2023-11-29 02:58:27,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1721 transitions. [2023-11-29 02:58:27,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:27,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1721 transitions. [2023-11-29 02:58:27,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.6666666666666) internal successors, (1721), 3 states have internal predecessors, (1721), 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 02:58:27,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:27,186 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:27,187 INFO L175 Difference]: Start difference. First operand has 539 places, 543 transitions, 1096 flow. Second operand 3 states and 1721 transitions. [2023-11-29 02:58:27,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 542 transitions, 1120 flow [2023-11-29 02:58:27,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 542 transitions, 1116 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:27,198 INFO L231 Difference]: Finished difference. Result has 538 places, 542 transitions, 1094 flow [2023-11-29 02:58:27,199 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1090, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1094, PETRI_PLACES=538, PETRI_TRANSITIONS=542} [2023-11-29 02:58:27,199 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -18 predicate places. [2023-11-29 02:58:27,200 INFO L495 AbstractCegarLoop]: Abstraction has has 538 places, 542 transitions, 1094 flow [2023-11-29 02:58:27,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:27,201 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:27,201 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 02:58:27,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:58:27,201 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:27,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:27,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1140173279, now seen corresponding path program 1 times [2023-11-29 02:58:27,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:27,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423366269] [2023-11-29 02:58:27,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:27,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:27,243 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 02:58:27,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:27,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423366269] [2023-11-29 02:58:27,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423366269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:27,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:27,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:27,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477869652] [2023-11-29 02:58:27,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:27,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:27,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:27,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:27,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:27,263 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 607 [2023-11-29 02:58:27,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 542 transitions, 1094 flow. Second operand has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:27,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:27,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 607 [2023-11-29 02:58:27,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:27,424 INFO L124 PetriNetUnfolderBase]: 25/934 cut-off events. [2023-11-29 02:58:27,425 INFO L125 PetriNetUnfolderBase]: For 7/11 co-relation queries the response was YES. [2023-11-29 02:58:27,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 969 conditions, 934 events. 25/934 cut-off events. For 7/11 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3428 event pairs, 7 based on Foata normal form. 0/815 useless extension candidates. Maximal degree in co-relation 788. Up to 25 conditions per place. [2023-11-29 02:58:27,436 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 11 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2023-11-29 02:58:27,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 541 transitions, 1118 flow [2023-11-29 02:58:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:27,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1721 transitions. [2023-11-29 02:58:27,442 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9450851180669961 [2023-11-29 02:58:27,442 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1721 transitions. [2023-11-29 02:58:27,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1721 transitions. [2023-11-29 02:58:27,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:27,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1721 transitions. [2023-11-29 02:58:27,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.6666666666666) internal successors, (1721), 3 states have internal predecessors, (1721), 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 02:58:27,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:27,449 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:27,449 INFO L175 Difference]: Start difference. First operand has 538 places, 542 transitions, 1094 flow. Second operand 3 states and 1721 transitions. [2023-11-29 02:58:27,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 541 transitions, 1118 flow [2023-11-29 02:58:27,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 541 transitions, 1114 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:27,458 INFO L231 Difference]: Finished difference. Result has 537 places, 541 transitions, 1092 flow [2023-11-29 02:58:27,459 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1092, PETRI_PLACES=537, PETRI_TRANSITIONS=541} [2023-11-29 02:58:27,459 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -19 predicate places. [2023-11-29 02:58:27,459 INFO L495 AbstractCegarLoop]: Abstraction has has 537 places, 541 transitions, 1092 flow [2023-11-29 02:58:27,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:27,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:27,461 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] [2023-11-29 02:58:27,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:58:27,461 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:27,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:27,461 INFO L85 PathProgramCache]: Analyzing trace with hash 2032802938, now seen corresponding path program 1 times [2023-11-29 02:58:27,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:27,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878469313] [2023-11-29 02:58:27,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:27,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:27,508 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 02:58:27,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:27,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878469313] [2023-11-29 02:58:27,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878469313] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:27,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:27,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:27,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013818370] [2023-11-29 02:58:27,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:27,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:27,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:27,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:27,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:27,520 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 571 out of 607 [2023-11-29 02:58:27,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 541 transitions, 1092 flow. Second operand has 3 states, 3 states have (on average 572.3333333333334) internal successors, (1717), 3 states have internal predecessors, (1717), 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 02:58:27,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:27,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 571 of 607 [2023-11-29 02:58:27,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:27,759 INFO L124 PetriNetUnfolderBase]: 38/1366 cut-off events. [2023-11-29 02:58:27,760 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 02:58:27,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1413 conditions, 1366 events. 38/1366 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 7045 event pairs, 8 based on Foata normal form. 0/1182 useless extension candidates. Maximal degree in co-relation 1225. Up to 31 conditions per place. [2023-11-29 02:58:27,779 INFO L140 encePairwiseOnDemand]: 603/607 looper letters, 13 selfloop transitions, 2 changer transitions 0/543 dead transitions. [2023-11-29 02:58:27,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 543 transitions, 1128 flow [2023-11-29 02:58:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:27,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:27,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1730 transitions. [2023-11-29 02:58:27,783 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9500274574409665 [2023-11-29 02:58:27,783 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1730 transitions. [2023-11-29 02:58:27,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1730 transitions. [2023-11-29 02:58:27,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:27,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1730 transitions. [2023-11-29 02:58:27,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 576.6666666666666) internal successors, (1730), 3 states have internal predecessors, (1730), 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 02:58:27,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:27,790 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:27,790 INFO L175 Difference]: Start difference. First operand has 537 places, 541 transitions, 1092 flow. Second operand 3 states and 1730 transitions. [2023-11-29 02:58:27,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 543 transitions, 1128 flow [2023-11-29 02:58:27,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 543 transitions, 1124 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:27,799 INFO L231 Difference]: Finished difference. Result has 536 places, 541 transitions, 1098 flow [2023-11-29 02:58:27,800 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1084, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1098, PETRI_PLACES=536, PETRI_TRANSITIONS=541} [2023-11-29 02:58:27,801 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -20 predicate places. [2023-11-29 02:58:27,801 INFO L495 AbstractCegarLoop]: Abstraction has has 536 places, 541 transitions, 1098 flow [2023-11-29 02:58:27,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 572.3333333333334) internal successors, (1717), 3 states have internal predecessors, (1717), 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 02:58:27,802 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:27,802 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] [2023-11-29 02:58:27,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:58:27,803 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:27,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:27,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1076274877, now seen corresponding path program 1 times [2023-11-29 02:58:27,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:27,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776484546] [2023-11-29 02:58:27,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:27,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:27,850 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 02:58:27,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:27,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776484546] [2023-11-29 02:58:27,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776484546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:27,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:27,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:27,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113407217] [2023-11-29 02:58:27,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:27,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:27,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:27,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:27,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:27,863 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 571 out of 607 [2023-11-29 02:58:27,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 541 transitions, 1098 flow. Second operand has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 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 02:58:27,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:27,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 571 of 607 [2023-11-29 02:58:27,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:28,091 INFO L124 PetriNetUnfolderBase]: 49/1396 cut-off events. [2023-11-29 02:58:28,091 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 02:58:28,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1465 conditions, 1396 events. 49/1396 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8495 event pairs, 5 based on Foata normal form. 0/1215 useless extension candidates. Maximal degree in co-relation 1167. Up to 43 conditions per place. [2023-11-29 02:58:28,111 INFO L140 encePairwiseOnDemand]: 603/607 looper letters, 13 selfloop transitions, 2 changer transitions 0/543 dead transitions. [2023-11-29 02:58:28,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 543 transitions, 1134 flow [2023-11-29 02:58:28,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:28,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1730 transitions. [2023-11-29 02:58:28,116 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9500274574409665 [2023-11-29 02:58:28,116 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1730 transitions. [2023-11-29 02:58:28,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1730 transitions. [2023-11-29 02:58:28,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:28,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1730 transitions. [2023-11-29 02:58:28,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 576.6666666666666) internal successors, (1730), 3 states have internal predecessors, (1730), 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 02:58:28,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:28,124 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:28,124 INFO L175 Difference]: Start difference. First operand has 536 places, 541 transitions, 1098 flow. Second operand 3 states and 1730 transitions. [2023-11-29 02:58:28,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 543 transitions, 1134 flow [2023-11-29 02:58:28,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 543 transitions, 1134 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:28,133 INFO L231 Difference]: Finished difference. Result has 537 places, 541 transitions, 1108 flow [2023-11-29 02:58:28,134 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1094, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1108, PETRI_PLACES=537, PETRI_TRANSITIONS=541} [2023-11-29 02:58:28,135 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -19 predicate places. [2023-11-29 02:58:28,135 INFO L495 AbstractCegarLoop]: Abstraction has has 537 places, 541 transitions, 1108 flow [2023-11-29 02:58:28,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 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 02:58:28,136 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:28,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:28,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:58:28,136 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:28,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:28,136 INFO L85 PathProgramCache]: Analyzing trace with hash 112777915, now seen corresponding path program 1 times [2023-11-29 02:58:28,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:28,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767124159] [2023-11-29 02:58:28,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:28,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:28,191 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 02:58:28,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:28,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767124159] [2023-11-29 02:58:28,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767124159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:28,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:28,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:28,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820370890] [2023-11-29 02:58:28,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:28,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:28,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:28,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:28,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:28,222 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 568 out of 607 [2023-11-29 02:58:28,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 541 transitions, 1108 flow. Second operand has 3 states, 3 states have (on average 569.3333333333334) internal successors, (1708), 3 states have internal predecessors, (1708), 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 02:58:28,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:28,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 568 of 607 [2023-11-29 02:58:28,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:28,603 INFO L124 PetriNetUnfolderBase]: 51/1228 cut-off events. [2023-11-29 02:58:28,603 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 02:58:28,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1346 conditions, 1228 events. 51/1228 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6819 event pairs, 18 based on Foata normal form. 0/1075 useless extension candidates. Maximal degree in co-relation 1048. Up to 57 conditions per place. [2023-11-29 02:58:28,630 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 15 selfloop transitions, 2 changer transitions 0/542 dead transitions. [2023-11-29 02:58:28,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 542 transitions, 1146 flow [2023-11-29 02:58:28,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:28,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:28,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1722 transitions. [2023-11-29 02:58:28,635 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9456342668863262 [2023-11-29 02:58:28,635 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1722 transitions. [2023-11-29 02:58:28,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1722 transitions. [2023-11-29 02:58:28,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:28,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1722 transitions. [2023-11-29 02:58:28,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 574.0) internal successors, (1722), 3 states have internal predecessors, (1722), 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 02:58:28,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:28,646 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:28,646 INFO L175 Difference]: Start difference. First operand has 537 places, 541 transitions, 1108 flow. Second operand 3 states and 1722 transitions. [2023-11-29 02:58:28,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 542 transitions, 1146 flow [2023-11-29 02:58:28,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 542 transitions, 1146 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:28,659 INFO L231 Difference]: Finished difference. Result has 538 places, 540 transitions, 1110 flow [2023-11-29 02:58:28,660 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1106, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1110, PETRI_PLACES=538, PETRI_TRANSITIONS=540} [2023-11-29 02:58:28,661 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -18 predicate places. [2023-11-29 02:58:28,661 INFO L495 AbstractCegarLoop]: Abstraction has has 538 places, 540 transitions, 1110 flow [2023-11-29 02:58:28,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 569.3333333333334) internal successors, (1708), 3 states have internal predecessors, (1708), 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 02:58:28,662 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:28,662 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] [2023-11-29 02:58:28,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:58:28,663 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:28,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:28,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1198948553, now seen corresponding path program 1 times [2023-11-29 02:58:28,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:28,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344318337] [2023-11-29 02:58:28,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:28,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:28,732 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 02:58:28,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:28,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344318337] [2023-11-29 02:58:28,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344318337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:28,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:28,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:28,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905042653] [2023-11-29 02:58:28,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:28,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:28,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:28,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:28,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:28,746 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 571 out of 607 [2023-11-29 02:58:28,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 540 transitions, 1110 flow. Second operand has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 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 02:58:28,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:28,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 571 of 607 [2023-11-29 02:58:28,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:29,127 INFO L124 PetriNetUnfolderBase]: 68/1895 cut-off events. [2023-11-29 02:58:29,127 INFO L125 PetriNetUnfolderBase]: For 16/21 co-relation queries the response was YES. [2023-11-29 02:58:29,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1983 conditions, 1895 events. 68/1895 cut-off events. For 16/21 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 12278 event pairs, 8 based on Foata normal form. 0/1637 useless extension candidates. Maximal degree in co-relation 1580. Up to 56 conditions per place. [2023-11-29 02:58:29,154 INFO L140 encePairwiseOnDemand]: 603/607 looper letters, 13 selfloop transitions, 2 changer transitions 0/542 dead transitions. [2023-11-29 02:58:29,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 542 transitions, 1146 flow [2023-11-29 02:58:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:29,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1730 transitions. [2023-11-29 02:58:29,159 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9500274574409665 [2023-11-29 02:58:29,159 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1730 transitions. [2023-11-29 02:58:29,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1730 transitions. [2023-11-29 02:58:29,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:29,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1730 transitions. [2023-11-29 02:58:29,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 576.6666666666666) internal successors, (1730), 3 states have internal predecessors, (1730), 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 02:58:29,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:29,168 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:29,168 INFO L175 Difference]: Start difference. First operand has 538 places, 540 transitions, 1110 flow. Second operand 3 states and 1730 transitions. [2023-11-29 02:58:29,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 542 transitions, 1146 flow [2023-11-29 02:58:29,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 542 transitions, 1142 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:29,181 INFO L231 Difference]: Finished difference. Result has 537 places, 540 transitions, 1116 flow [2023-11-29 02:58:29,182 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1102, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1116, PETRI_PLACES=537, PETRI_TRANSITIONS=540} [2023-11-29 02:58:29,182 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -19 predicate places. [2023-11-29 02:58:29,182 INFO L495 AbstractCegarLoop]: Abstraction has has 537 places, 540 transitions, 1116 flow [2023-11-29 02:58:29,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 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 02:58:29,183 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:29,183 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] [2023-11-29 02:58:29,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:58:29,183 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:29,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:29,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1581082766, now seen corresponding path program 1 times [2023-11-29 02:58:29,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:29,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477986901] [2023-11-29 02:58:29,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:29,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:29,294 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 02:58:29,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:29,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477986901] [2023-11-29 02:58:29,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477986901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:29,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:29,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:58:29,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297518892] [2023-11-29 02:58:29,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:29,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:58:29,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:29,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:58:29,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:58:29,464 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 551 out of 607 [2023-11-29 02:58:29,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 540 transitions, 1116 flow. Second operand has 5 states, 5 states have (on average 556.4) internal successors, (2782), 5 states have internal predecessors, (2782), 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 02:58:29,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:29,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 551 of 607 [2023-11-29 02:58:29,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:29,703 INFO L124 PetriNetUnfolderBase]: 22/949 cut-off events. [2023-11-29 02:58:29,703 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2023-11-29 02:58:29,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 949 events. 22/949 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3891 event pairs, 0 based on Foata normal form. 3/852 useless extension candidates. Maximal degree in co-relation 688. Up to 15 conditions per place. [2023-11-29 02:58:29,717 INFO L140 encePairwiseOnDemand]: 586/607 looper letters, 18 selfloop transitions, 18 changer transitions 0/543 dead transitions. [2023-11-29 02:58:29,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 543 transitions, 1194 flow [2023-11-29 02:58:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:58:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 02:58:29,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2794 transitions. [2023-11-29 02:58:29,724 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9205930807248764 [2023-11-29 02:58:29,724 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2794 transitions. [2023-11-29 02:58:29,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2794 transitions. [2023-11-29 02:58:29,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:29,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2794 transitions. [2023-11-29 02:58:29,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 558.8) internal successors, (2794), 5 states have internal predecessors, (2794), 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 02:58:29,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 607.0) internal successors, (3642), 6 states have internal predecessors, (3642), 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 02:58:29,736 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 607.0) internal successors, (3642), 6 states have internal predecessors, (3642), 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 02:58:29,736 INFO L175 Difference]: Start difference. First operand has 537 places, 540 transitions, 1116 flow. Second operand 5 states and 2794 transitions. [2023-11-29 02:58:29,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 543 transitions, 1194 flow [2023-11-29 02:58:29,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 543 transitions, 1194 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:29,746 INFO L231 Difference]: Finished difference. Result has 542 places, 543 transitions, 1176 flow [2023-11-29 02:58:29,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1116, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1176, PETRI_PLACES=542, PETRI_TRANSITIONS=543} [2023-11-29 02:58:29,748 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -14 predicate places. [2023-11-29 02:58:29,748 INFO L495 AbstractCegarLoop]: Abstraction has has 542 places, 543 transitions, 1176 flow [2023-11-29 02:58:29,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 556.4) internal successors, (2782), 5 states have internal predecessors, (2782), 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 02:58:29,749 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:29,750 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] [2023-11-29 02:58:29,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:58:29,750 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:29,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:29,751 INFO L85 PathProgramCache]: Analyzing trace with hash -218203766, now seen corresponding path program 1 times [2023-11-29 02:58:29,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:29,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929702391] [2023-11-29 02:58:29,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:29,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 02:58:29,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:29,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929702391] [2023-11-29 02:58:29,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929702391] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:58:29,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958660127] [2023-11-29 02:58:29,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:29,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:58:29,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:58:29,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:58:29,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:58:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:30,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:58:30,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:58:30,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 02:58:30,381 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:58:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 02:58:30,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958660127] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:58:30,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:58:30,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-11-29 02:58:30,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844235107] [2023-11-29 02:58:30,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:58:30,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:58:30,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:30,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:58:30,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:58:31,274 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 607 [2023-11-29 02:58:31,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 543 transitions, 1176 flow. Second operand has 15 states, 15 states have (on average 545.6) internal successors, (8184), 15 states have internal predecessors, (8184), 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 02:58:31,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:31,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 607 [2023-11-29 02:58:31,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:31,763 INFO L124 PetriNetUnfolderBase]: 22/1000 cut-off events. [2023-11-29 02:58:31,763 INFO L125 PetriNetUnfolderBase]: For 19/22 co-relation queries the response was YES. [2023-11-29 02:58:31,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1132 conditions, 1000 events. 22/1000 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3809 event pairs, 0 based on Foata normal form. 6/906 useless extension candidates. Maximal degree in co-relation 794. Up to 15 conditions per place. [2023-11-29 02:58:31,777 INFO L140 encePairwiseOnDemand]: 577/607 looper letters, 30 selfloop transitions, 39 changer transitions 0/567 dead transitions. [2023-11-29 02:58:31,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 567 transitions, 1368 flow [2023-11-29 02:58:31,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:58:31,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 02:58:31,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 6037 transitions. [2023-11-29 02:58:31,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9041485697169388 [2023-11-29 02:58:31,789 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 6037 transitions. [2023-11-29 02:58:31,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 6037 transitions. [2023-11-29 02:58:31,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:31,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 6037 transitions. [2023-11-29 02:58:31,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 548.8181818181819) internal successors, (6037), 11 states have internal predecessors, (6037), 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 02:58:31,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 607.0) internal successors, (7284), 12 states have internal predecessors, (7284), 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 02:58:31,812 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 607.0) internal successors, (7284), 12 states have internal predecessors, (7284), 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 02:58:31,812 INFO L175 Difference]: Start difference. First operand has 542 places, 543 transitions, 1176 flow. Second operand 11 states and 6037 transitions. [2023-11-29 02:58:31,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 567 transitions, 1368 flow [2023-11-29 02:58:31,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 567 transitions, 1338 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 02:58:31,823 INFO L231 Difference]: Finished difference. Result has 552 places, 561 transitions, 1326 flow [2023-11-29 02:58:31,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1146, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1326, PETRI_PLACES=552, PETRI_TRANSITIONS=561} [2023-11-29 02:58:31,824 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -4 predicate places. [2023-11-29 02:58:31,825 INFO L495 AbstractCegarLoop]: Abstraction has has 552 places, 561 transitions, 1326 flow [2023-11-29 02:58:31,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 545.6) internal successors, (8184), 15 states have internal predecessors, (8184), 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 02:58:31,827 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:31,827 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:31,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:58:32,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 02:58:32,035 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:32,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:32,035 INFO L85 PathProgramCache]: Analyzing trace with hash -809258742, now seen corresponding path program 2 times [2023-11-29 02:58:32,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:32,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995981361] [2023-11-29 02:58:32,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:32,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:58:32,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:32,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995981361] [2023-11-29 02:58:32,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995981361] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:58:32,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247963688] [2023-11-29 02:58:32,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:58:32,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:58:32,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:58:32,476 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:58:32,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:58:32,671 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 02:58:32,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:58:32,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 02:58:32,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:58:33,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 02:58:33,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 02:58:33,150 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:58:33,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-29 02:58:33,189 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:58:33,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-29 02:58:33,223 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:58:33,223 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:58:33,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247963688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:33,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:58:33,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16 [2023-11-29 02:58:33,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057533790] [2023-11-29 02:58:33,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:33,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:58:33,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:33,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:58:33,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:58:33,660 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 607 [2023-11-29 02:58:33,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 561 transitions, 1326 flow. Second operand has 7 states, 7 states have (on average 559.1428571428571) internal successors, (3914), 7 states have internal predecessors, (3914), 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 02:58:33,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:33,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 607 [2023-11-29 02:58:33,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:34,077 INFO L124 PetriNetUnfolderBase]: 22/999 cut-off events. [2023-11-29 02:58:34,077 INFO L125 PetriNetUnfolderBase]: For 22/35 co-relation queries the response was YES. [2023-11-29 02:58:34,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1174 conditions, 999 events. 22/999 cut-off events. For 22/35 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3807 event pairs, 0 based on Foata normal form. 8/908 useless extension candidates. Maximal degree in co-relation 796. Up to 40 conditions per place. [2023-11-29 02:58:34,093 INFO L140 encePairwiseOnDemand]: 601/607 looper letters, 20 selfloop transitions, 5 changer transitions 0/560 dead transitions. [2023-11-29 02:58:34,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 560 transitions, 1374 flow [2023-11-29 02:58:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:58:34,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-29 02:58:34,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3918 transitions. [2023-11-29 02:58:34,101 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9220993174864675 [2023-11-29 02:58:34,101 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3918 transitions. [2023-11-29 02:58:34,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3918 transitions. [2023-11-29 02:58:34,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:34,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3918 transitions. [2023-11-29 02:58:34,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 559.7142857142857) internal successors, (3918), 7 states have internal predecessors, (3918), 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 02:58:34,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 607.0) internal successors, (4856), 8 states have internal predecessors, (4856), 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 02:58:34,113 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 607.0) internal successors, (4856), 8 states have internal predecessors, (4856), 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 02:58:34,113 INFO L175 Difference]: Start difference. First operand has 552 places, 561 transitions, 1326 flow. Second operand 7 states and 3918 transitions. [2023-11-29 02:58:34,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 560 transitions, 1374 flow [2023-11-29 02:58:34,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 554 places, 560 transitions, 1338 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-11-29 02:58:34,127 INFO L231 Difference]: Finished difference. Result has 554 places, 560 transitions, 1298 flow [2023-11-29 02:58:34,128 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1288, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1298, PETRI_PLACES=554, PETRI_TRANSITIONS=560} [2023-11-29 02:58:34,128 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -2 predicate places. [2023-11-29 02:58:34,129 INFO L495 AbstractCegarLoop]: Abstraction has has 554 places, 560 transitions, 1298 flow [2023-11-29 02:58:34,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 559.1428571428571) internal successors, (3914), 7 states have internal predecessors, (3914), 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 02:58:34,129 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:34,130 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:34,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:58:34,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:58:34,331 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:34,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:34,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1913274864, now seen corresponding path program 1 times [2023-11-29 02:58:34,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:34,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609236134] [2023-11-29 02:58:34,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:34,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:58:34,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:34,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609236134] [2023-11-29 02:58:34,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609236134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:34,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:34,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:34,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713509261] [2023-11-29 02:58:34,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:34,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:34,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:34,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:34,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:34,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 571 out of 607 [2023-11-29 02:58:34,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 560 transitions, 1298 flow. Second operand has 3 states, 3 states have (on average 572.3333333333334) internal successors, (1717), 3 states have internal predecessors, (1717), 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 02:58:34,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:34,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 571 of 607 [2023-11-29 02:58:34,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:35,004 INFO L124 PetriNetUnfolderBase]: 101/2432 cut-off events. [2023-11-29 02:58:35,005 INFO L125 PetriNetUnfolderBase]: For 35/38 co-relation queries the response was YES. [2023-11-29 02:58:35,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2662 conditions, 2432 events. 101/2432 cut-off events. For 35/38 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 16005 event pairs, 6 based on Foata normal form. 0/2117 useless extension candidates. Maximal degree in co-relation 2336. Up to 104 conditions per place. [2023-11-29 02:58:35,038 INFO L140 encePairwiseOnDemand]: 603/607 looper letters, 16 selfloop transitions, 2 changer transitions 0/565 dead transitions. [2023-11-29 02:58:35,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 565 transitions, 1349 flow [2023-11-29 02:58:35,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:35,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1733 transitions. [2023-11-29 02:58:35,041 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9516749038989566 [2023-11-29 02:58:35,042 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1733 transitions. [2023-11-29 02:58:35,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1733 transitions. [2023-11-29 02:58:35,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:35,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1733 transitions. [2023-11-29 02:58:35,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 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 02:58:35,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:35,046 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:35,046 INFO L175 Difference]: Start difference. First operand has 554 places, 560 transitions, 1298 flow. Second operand 3 states and 1733 transitions. [2023-11-29 02:58:35,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 565 transitions, 1349 flow [2023-11-29 02:58:35,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 565 transitions, 1340 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:58:35,055 INFO L231 Difference]: Finished difference. Result has 550 places, 560 transitions, 1299 flow [2023-11-29 02:58:35,055 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1285, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1299, PETRI_PLACES=550, PETRI_TRANSITIONS=560} [2023-11-29 02:58:35,055 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -6 predicate places. [2023-11-29 02:58:35,056 INFO L495 AbstractCegarLoop]: Abstraction has has 550 places, 560 transitions, 1299 flow [2023-11-29 02:58:35,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 572.3333333333334) internal successors, (1717), 3 states have internal predecessors, (1717), 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 02:58:35,056 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:35,056 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:35,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 02:58:35,057 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:35,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:35,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1119505774, now seen corresponding path program 1 times [2023-11-29 02:58:35,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:35,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284548908] [2023-11-29 02:58:35,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:35,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:58:35,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:35,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284548908] [2023-11-29 02:58:35,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284548908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:35,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:35,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:35,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984187235] [2023-11-29 02:58:35,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:35,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:35,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:35,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:35,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:35,213 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 568 out of 607 [2023-11-29 02:58:35,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 560 transitions, 1299 flow. Second operand has 3 states, 3 states have (on average 569.6666666666666) internal successors, (1709), 3 states have internal predecessors, (1709), 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 02:58:35,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:35,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 568 of 607 [2023-11-29 02:58:35,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:35,794 INFO L124 PetriNetUnfolderBase]: 84/2000 cut-off events. [2023-11-29 02:58:35,794 INFO L125 PetriNetUnfolderBase]: For 38/105 co-relation queries the response was YES. [2023-11-29 02:58:35,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2234 conditions, 2000 events. 84/2000 cut-off events. For 38/105 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 12365 event pairs, 18 based on Foata normal form. 1/1743 useless extension candidates. Maximal degree in co-relation 1910. Up to 58 conditions per place. [2023-11-29 02:58:35,827 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 15 selfloop transitions, 2 changer transitions 0/561 dead transitions. [2023-11-29 02:58:35,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 561 transitions, 1337 flow [2023-11-29 02:58:35,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:35,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1722 transitions. [2023-11-29 02:58:35,830 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9456342668863262 [2023-11-29 02:58:35,830 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1722 transitions. [2023-11-29 02:58:35,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1722 transitions. [2023-11-29 02:58:35,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:35,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1722 transitions. [2023-11-29 02:58:35,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 574.0) internal successors, (1722), 3 states have internal predecessors, (1722), 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 02:58:35,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:35,835 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:35,835 INFO L175 Difference]: Start difference. First operand has 550 places, 560 transitions, 1299 flow. Second operand 3 states and 1722 transitions. [2023-11-29 02:58:35,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 561 transitions, 1337 flow [2023-11-29 02:58:35,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 561 transitions, 1337 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:35,844 INFO L231 Difference]: Finished difference. Result has 551 places, 559 transitions, 1301 flow [2023-11-29 02:58:35,845 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1297, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1301, PETRI_PLACES=551, PETRI_TRANSITIONS=559} [2023-11-29 02:58:35,846 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -5 predicate places. [2023-11-29 02:58:35,846 INFO L495 AbstractCegarLoop]: Abstraction has has 551 places, 559 transitions, 1301 flow [2023-11-29 02:58:35,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 569.6666666666666) internal successors, (1709), 3 states have internal predecessors, (1709), 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 02:58:35,846 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:35,847 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:35,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 02:58:35,847 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:35,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:35,847 INFO L85 PathProgramCache]: Analyzing trace with hash 818053563, now seen corresponding path program 1 times [2023-11-29 02:58:35,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:35,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882484897] [2023-11-29 02:58:35,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:35,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:58:35,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:35,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882484897] [2023-11-29 02:58:35,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882484897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:35,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:35,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:35,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366579706] [2023-11-29 02:58:35,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:35,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:35,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:35,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:35,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:35,992 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 607 [2023-11-29 02:58:35,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 559 transitions, 1301 flow. Second operand has 3 states, 3 states have (on average 567.3333333333334) internal successors, (1702), 3 states have internal predecessors, (1702), 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 02:58:35,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:35,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 607 [2023-11-29 02:58:35,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:36,678 INFO L124 PetriNetUnfolderBase]: 118/2964 cut-off events. [2023-11-29 02:58:36,678 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-29 02:58:36,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3314 conditions, 2964 events. 118/2964 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 21037 event pairs, 15 based on Foata normal form. 0/2617 useless extension candidates. Maximal degree in co-relation 3163. Up to 57 conditions per place. [2023-11-29 02:58:36,719 INFO L140 encePairwiseOnDemand]: 599/607 looper letters, 15 selfloop transitions, 5 changer transitions 0/561 dead transitions. [2023-11-29 02:58:36,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 561 transitions, 1347 flow [2023-11-29 02:58:36,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1721 transitions. [2023-11-29 02:58:36,723 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9450851180669961 [2023-11-29 02:58:36,723 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1721 transitions. [2023-11-29 02:58:36,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1721 transitions. [2023-11-29 02:58:36,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:36,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1721 transitions. [2023-11-29 02:58:36,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.6666666666666) internal successors, (1721), 3 states have internal predecessors, (1721), 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 02:58:36,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:36,727 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:36,727 INFO L175 Difference]: Start difference. First operand has 551 places, 559 transitions, 1301 flow. Second operand 3 states and 1721 transitions. [2023-11-29 02:58:36,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 561 transitions, 1347 flow [2023-11-29 02:58:36,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 548 places, 561 transitions, 1343 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:36,735 INFO L231 Difference]: Finished difference. Result has 550 places, 559 transitions, 1323 flow [2023-11-29 02:58:36,736 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1291, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1323, PETRI_PLACES=550, PETRI_TRANSITIONS=559} [2023-11-29 02:58:36,736 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -6 predicate places. [2023-11-29 02:58:36,736 INFO L495 AbstractCegarLoop]: Abstraction has has 550 places, 559 transitions, 1323 flow [2023-11-29 02:58:36,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 567.3333333333334) internal successors, (1702), 3 states have internal predecessors, (1702), 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 02:58:36,737 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:36,737 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:36,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 02:58:36,737 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:36,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:36,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1020254391, now seen corresponding path program 1 times [2023-11-29 02:58:36,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:36,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551431595] [2023-11-29 02:58:36,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:36,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:36,890 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:58:36,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:36,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551431595] [2023-11-29 02:58:36,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551431595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:36,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:36,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:58:36,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694621439] [2023-11-29 02:58:36,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:36,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:58:36,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:36,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:58:36,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:58:36,948 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 570 out of 607 [2023-11-29 02:58:36,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 559 transitions, 1323 flow. Second operand has 4 states, 4 states have (on average 571.25) internal successors, (2285), 4 states have internal predecessors, (2285), 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 02:58:36,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:36,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 570 of 607 [2023-11-29 02:58:36,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:37,743 INFO L124 PetriNetUnfolderBase]: 101/2703 cut-off events. [2023-11-29 02:58:37,743 INFO L125 PetriNetUnfolderBase]: For 64/71 co-relation queries the response was YES. [2023-11-29 02:58:37,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3128 conditions, 2703 events. 101/2703 cut-off events. For 64/71 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 17658 event pairs, 22 based on Foata normal form. 2/2396 useless extension candidates. Maximal degree in co-relation 2802. Up to 64 conditions per place. [2023-11-29 02:58:37,784 INFO L140 encePairwiseOnDemand]: 602/607 looper letters, 27 selfloop transitions, 4 changer transitions 0/575 dead transitions. [2023-11-29 02:58:37,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 575 transitions, 1427 flow [2023-11-29 02:58:37,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:58:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 02:58:37,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2882 transitions. [2023-11-29 02:58:37,793 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9495881383855025 [2023-11-29 02:58:37,793 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2882 transitions. [2023-11-29 02:58:37,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2882 transitions. [2023-11-29 02:58:37,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:37,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2882 transitions. [2023-11-29 02:58:37,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 576.4) internal successors, (2882), 5 states have internal predecessors, (2882), 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 02:58:37,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 607.0) internal successors, (3642), 6 states have internal predecessors, (3642), 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 02:58:37,802 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 607.0) internal successors, (3642), 6 states have internal predecessors, (3642), 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 02:58:37,803 INFO L175 Difference]: Start difference. First operand has 550 places, 559 transitions, 1323 flow. Second operand 5 states and 2882 transitions. [2023-11-29 02:58:37,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 575 transitions, 1427 flow [2023-11-29 02:58:37,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 575 transitions, 1417 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:37,814 INFO L231 Difference]: Finished difference. Result has 555 places, 561 transitions, 1338 flow [2023-11-29 02:58:37,815 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1309, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1338, PETRI_PLACES=555, PETRI_TRANSITIONS=561} [2023-11-29 02:58:37,815 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, -1 predicate places. [2023-11-29 02:58:37,815 INFO L495 AbstractCegarLoop]: Abstraction has has 555 places, 561 transitions, 1338 flow [2023-11-29 02:58:37,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 571.25) internal successors, (2285), 4 states have internal predecessors, (2285), 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 02:58:37,816 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:37,816 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:37,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 02:58:37,816 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:37,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:37,817 INFO L85 PathProgramCache]: Analyzing trace with hash -746487399, now seen corresponding path program 1 times [2023-11-29 02:58:37,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:37,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159894339] [2023-11-29 02:58:37,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:37,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:37,932 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 02:58:37,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:37,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159894339] [2023-11-29 02:58:37,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159894339] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:37,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:37,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:37,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906560919] [2023-11-29 02:58:37,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:37,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:37,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:37,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:37,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:37,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 571 out of 607 [2023-11-29 02:58:37,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 555 places, 561 transitions, 1338 flow. Second operand has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 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 02:58:37,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:37,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 571 of 607 [2023-11-29 02:58:37,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:38,983 INFO L124 PetriNetUnfolderBase]: 125/3319 cut-off events. [2023-11-29 02:58:38,983 INFO L125 PetriNetUnfolderBase]: For 49/60 co-relation queries the response was YES. [2023-11-29 02:58:39,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3775 conditions, 3319 events. 125/3319 cut-off events. For 49/60 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 24354 event pairs, 15 based on Foata normal form. 1/2955 useless extension candidates. Maximal degree in co-relation 3446. Up to 118 conditions per place. [2023-11-29 02:58:39,043 INFO L140 encePairwiseOnDemand]: 603/607 looper letters, 16 selfloop transitions, 2 changer transitions 0/566 dead transitions. [2023-11-29 02:58:39,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 566 transitions, 1389 flow [2023-11-29 02:58:39,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:39,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1733 transitions. [2023-11-29 02:58:39,048 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9516749038989566 [2023-11-29 02:58:39,048 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1733 transitions. [2023-11-29 02:58:39,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1733 transitions. [2023-11-29 02:58:39,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:39,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1733 transitions. [2023-11-29 02:58:39,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 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 02:58:39,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:39,054 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:39,054 INFO L175 Difference]: Start difference. First operand has 555 places, 561 transitions, 1338 flow. Second operand 3 states and 1733 transitions. [2023-11-29 02:58:39,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 566 transitions, 1389 flow [2023-11-29 02:58:39,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 566 transitions, 1389 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:39,065 INFO L231 Difference]: Finished difference. Result has 556 places, 561 transitions, 1348 flow [2023-11-29 02:58:39,066 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1334, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1348, PETRI_PLACES=556, PETRI_TRANSITIONS=561} [2023-11-29 02:58:39,066 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 0 predicate places. [2023-11-29 02:58:39,066 INFO L495 AbstractCegarLoop]: Abstraction has has 556 places, 561 transitions, 1348 flow [2023-11-29 02:58:39,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 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 02:58:39,066 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:39,067 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:39,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 02:58:39,067 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:39,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:39,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1965999545, now seen corresponding path program 1 times [2023-11-29 02:58:39,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:39,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515413021] [2023-11-29 02:58:39,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:39,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:58:39,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:39,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515413021] [2023-11-29 02:58:39,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515413021] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:58:39,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617152096] [2023-11-29 02:58:39,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:39,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:58:39,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:58:39,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:58:39,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:58:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:39,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 02:58:39,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:58:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:58:40,128 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:58:40,312 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-29 02:58:40,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617152096] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:58:40,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:58:40,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-11-29 02:58:40,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395299033] [2023-11-29 02:58:40,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:58:40,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 02:58:40,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:40,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 02:58:40,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-11-29 02:58:41,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 607 [2023-11-29 02:58:41,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 561 transitions, 1348 flow. Second operand has 22 states, 22 states have (on average 545.0909090909091) internal successors, (11992), 22 states have internal predecessors, (11992), 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 02:58:41,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:41,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 607 [2023-11-29 02:58:41,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:42,167 INFO L124 PetriNetUnfolderBase]: 60/2176 cut-off events. [2023-11-29 02:58:42,167 INFO L125 PetriNetUnfolderBase]: For 81/96 co-relation queries the response was YES. [2023-11-29 02:58:42,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2554 conditions, 2176 events. 60/2176 cut-off events. For 81/96 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 11966 event pairs, 4 based on Foata normal form. 6/1950 useless extension candidates. Maximal degree in co-relation 2293. Up to 34 conditions per place. [2023-11-29 02:58:42,212 INFO L140 encePairwiseOnDemand]: 577/607 looper letters, 36 selfloop transitions, 57 changer transitions 0/591 dead transitions. [2023-11-29 02:58:42,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 591 transitions, 1678 flow [2023-11-29 02:58:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 02:58:42,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-29 02:58:42,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 9313 transitions. [2023-11-29 02:58:42,231 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9025099331330555 [2023-11-29 02:58:42,232 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 9313 transitions. [2023-11-29 02:58:42,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 9313 transitions. [2023-11-29 02:58:42,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:42,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 9313 transitions. [2023-11-29 02:58:42,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 547.8235294117648) internal successors, (9313), 17 states have internal predecessors, (9313), 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 02:58:42,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 607.0) internal successors, (10926), 18 states have internal predecessors, (10926), 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 02:58:42,267 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 607.0) internal successors, (10926), 18 states have internal predecessors, (10926), 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 02:58:42,267 INFO L175 Difference]: Start difference. First operand has 556 places, 561 transitions, 1348 flow. Second operand 17 states and 9313 transitions. [2023-11-29 02:58:42,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 591 transitions, 1678 flow [2023-11-29 02:58:42,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 591 transitions, 1678 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:42,280 INFO L231 Difference]: Finished difference. Result has 575 places, 582 transitions, 1624 flow [2023-11-29 02:58:42,281 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1348, PETRI_DIFFERENCE_MINUEND_PLACES=556, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1624, PETRI_PLACES=575, PETRI_TRANSITIONS=582} [2023-11-29 02:58:42,281 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 19 predicate places. [2023-11-29 02:58:42,281 INFO L495 AbstractCegarLoop]: Abstraction has has 575 places, 582 transitions, 1624 flow [2023-11-29 02:58:42,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 545.0909090909091) internal successors, (11992), 22 states have internal predecessors, (11992), 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 02:58:42,283 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:42,283 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:42,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:58:42,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:58:42,484 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:42,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:42,485 INFO L85 PathProgramCache]: Analyzing trace with hash 39886393, now seen corresponding path program 2 times [2023-11-29 02:58:42,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:42,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372882227] [2023-11-29 02:58:42,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:42,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:43,692 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:58:43,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:43,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372882227] [2023-11-29 02:58:43,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372882227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:43,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:43,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:58:43,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373919655] [2023-11-29 02:58:43,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:43,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:58:43,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:43,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:58:43,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:58:44,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 607 [2023-11-29 02:58:44,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 582 transitions, 1624 flow. Second operand has 6 states, 6 states have (on average 559.5) internal successors, (3357), 6 states have internal predecessors, (3357), 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 02:58:44,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:44,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 607 [2023-11-29 02:58:44,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:45,134 INFO L124 PetriNetUnfolderBase]: 127/3311 cut-off events. [2023-11-29 02:58:45,134 INFO L125 PetriNetUnfolderBase]: For 145/177 co-relation queries the response was YES. [2023-11-29 02:58:45,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4044 conditions, 3311 events. 127/3311 cut-off events. For 145/177 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 23169 event pairs, 11 based on Foata normal form. 16/2995 useless extension candidates. Maximal degree in co-relation 3781. Up to 116 conditions per place. [2023-11-29 02:58:45,187 INFO L140 encePairwiseOnDemand]: 601/607 looper letters, 30 selfloop transitions, 6 changer transitions 0/589 dead transitions. [2023-11-29 02:58:45,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 579 places, 589 transitions, 1718 flow [2023-11-29 02:58:45,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:58:45,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:58:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3372 transitions. [2023-11-29 02:58:45,193 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9258649093904449 [2023-11-29 02:58:45,193 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3372 transitions. [2023-11-29 02:58:45,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3372 transitions. [2023-11-29 02:58:45,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:45,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3372 transitions. [2023-11-29 02:58:45,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 562.0) internal successors, (3372), 6 states have internal predecessors, (3372), 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 02:58:45,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:58:45,203 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:58:45,203 INFO L175 Difference]: Start difference. First operand has 575 places, 582 transitions, 1624 flow. Second operand 6 states and 3372 transitions. [2023-11-29 02:58:45,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 579 places, 589 transitions, 1718 flow [2023-11-29 02:58:45,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 589 transitions, 1640 flow, removed 12 selfloop flow, removed 8 redundant places. [2023-11-29 02:58:45,218 INFO L231 Difference]: Finished difference. Result has 571 places, 581 transitions, 1556 flow [2023-11-29 02:58:45,219 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1544, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=575, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1556, PETRI_PLACES=571, PETRI_TRANSITIONS=581} [2023-11-29 02:58:45,219 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 15 predicate places. [2023-11-29 02:58:45,219 INFO L495 AbstractCegarLoop]: Abstraction has has 571 places, 581 transitions, 1556 flow [2023-11-29 02:58:45,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 559.5) internal successors, (3357), 6 states have internal predecessors, (3357), 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 02:58:45,220 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:45,220 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:45,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 02:58:45,221 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:45,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:45,221 INFO L85 PathProgramCache]: Analyzing trace with hash 920805594, now seen corresponding path program 1 times [2023-11-29 02:58:45,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:45,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014460227] [2023-11-29 02:58:45,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:45,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:58:45,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:45,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014460227] [2023-11-29 02:58:45,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014460227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:45,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:45,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:45,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590276637] [2023-11-29 02:58:45,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:45,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:45,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:45,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:45,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:45,413 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 568 out of 607 [2023-11-29 02:58:45,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 581 transitions, 1556 flow. Second operand has 3 states, 3 states have (on average 570.0) internal successors, (1710), 3 states have internal predecessors, (1710), 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 02:58:45,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:45,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 568 of 607 [2023-11-29 02:58:45,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:47,119 INFO L124 PetriNetUnfolderBase]: 229/6156 cut-off events. [2023-11-29 02:58:47,119 INFO L125 PetriNetUnfolderBase]: For 179/223 co-relation queries the response was YES. [2023-11-29 02:58:47,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7039 conditions, 6156 events. 229/6156 cut-off events. For 179/223 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 53346 event pairs, 56 based on Foata normal form. 10/5454 useless extension candidates. Maximal degree in co-relation 6530. Up to 165 conditions per place. [2023-11-29 02:58:47,215 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 17 selfloop transitions, 2 changer transitions 0/582 dead transitions. [2023-11-29 02:58:47,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 582 transitions, 1598 flow [2023-11-29 02:58:47,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1722 transitions. [2023-11-29 02:58:47,218 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9456342668863262 [2023-11-29 02:58:47,218 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1722 transitions. [2023-11-29 02:58:47,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1722 transitions. [2023-11-29 02:58:47,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:47,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1722 transitions. [2023-11-29 02:58:47,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 574.0) internal successors, (1722), 3 states have internal predecessors, (1722), 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 02:58:47,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:47,223 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:47,223 INFO L175 Difference]: Start difference. First operand has 571 places, 581 transitions, 1556 flow. Second operand 3 states and 1722 transitions. [2023-11-29 02:58:47,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 582 transitions, 1598 flow [2023-11-29 02:58:47,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 582 transitions, 1586 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:58:47,237 INFO L231 Difference]: Finished difference. Result has 567 places, 580 transitions, 1546 flow [2023-11-29 02:58:47,238 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=565, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=578, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1546, PETRI_PLACES=567, PETRI_TRANSITIONS=580} [2023-11-29 02:58:47,238 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 11 predicate places. [2023-11-29 02:58:47,238 INFO L495 AbstractCegarLoop]: Abstraction has has 567 places, 580 transitions, 1546 flow [2023-11-29 02:58:47,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.0) internal successors, (1710), 3 states have internal predecessors, (1710), 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 02:58:47,238 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:47,239 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:47,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 02:58:47,239 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:47,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:47,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1130020253, now seen corresponding path program 1 times [2023-11-29 02:58:47,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:47,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306249688] [2023-11-29 02:58:47,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:47,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:58:47,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:47,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306249688] [2023-11-29 02:58:47,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306249688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:47,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:47,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:47,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882694173] [2023-11-29 02:58:47,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:47,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:47,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:47,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:47,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:47,391 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 568 out of 607 [2023-11-29 02:58:47,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 580 transitions, 1546 flow. Second operand has 3 states, 3 states have (on average 570.0) internal successors, (1710), 3 states have internal predecessors, (1710), 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 02:58:47,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:47,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 568 of 607 [2023-11-29 02:58:47,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:48,400 INFO L124 PetriNetUnfolderBase]: 255/3644 cut-off events. [2023-11-29 02:58:48,400 INFO L125 PetriNetUnfolderBase]: For 279/307 co-relation queries the response was YES. [2023-11-29 02:58:48,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4395 conditions, 3644 events. 255/3644 cut-off events. For 279/307 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 29605 event pairs, 104 based on Foata normal form. 0/3160 useless extension candidates. Maximal degree in co-relation 3886. Up to 318 conditions per place. [2023-11-29 02:58:48,454 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 15 selfloop transitions, 2 changer transitions 0/581 dead transitions. [2023-11-29 02:58:48,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 581 transitions, 1584 flow [2023-11-29 02:58:48,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:48,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1722 transitions. [2023-11-29 02:58:48,456 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9456342668863262 [2023-11-29 02:58:48,457 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1722 transitions. [2023-11-29 02:58:48,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1722 transitions. [2023-11-29 02:58:48,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:48,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1722 transitions. [2023-11-29 02:58:48,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 574.0) internal successors, (1722), 3 states have internal predecessors, (1722), 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 02:58:48,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:48,459 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:48,460 INFO L175 Difference]: Start difference. First operand has 567 places, 580 transitions, 1546 flow. Second operand 3 states and 1722 transitions. [2023-11-29 02:58:48,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 581 transitions, 1584 flow [2023-11-29 02:58:48,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 581 transitions, 1580 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:48,469 INFO L231 Difference]: Finished difference. Result has 566 places, 579 transitions, 1544 flow [2023-11-29 02:58:48,470 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1540, PETRI_DIFFERENCE_MINUEND_PLACES=564, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1544, PETRI_PLACES=566, PETRI_TRANSITIONS=579} [2023-11-29 02:58:48,470 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 10 predicate places. [2023-11-29 02:58:48,470 INFO L495 AbstractCegarLoop]: Abstraction has has 566 places, 579 transitions, 1544 flow [2023-11-29 02:58:48,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.0) internal successors, (1710), 3 states have internal predecessors, (1710), 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 02:58:48,470 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:48,471 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:48,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 02:58:48,471 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:48,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:48,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1246206150, now seen corresponding path program 1 times [2023-11-29 02:58:48,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:48,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775737883] [2023-11-29 02:58:48,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:48,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:58:48,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:48,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775737883] [2023-11-29 02:58:48,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775737883] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:48,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:48,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:48,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90693347] [2023-11-29 02:58:48,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:48,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:48,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:48,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:48,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:48,607 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 607 [2023-11-29 02:58:48,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 579 transitions, 1544 flow. Second operand has 3 states, 3 states have (on average 567.6666666666666) internal successors, (1703), 3 states have internal predecessors, (1703), 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 02:58:48,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:48,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 607 [2023-11-29 02:58:48,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:50,111 INFO L124 PetriNetUnfolderBase]: 181/4696 cut-off events. [2023-11-29 02:58:50,112 INFO L125 PetriNetUnfolderBase]: For 157/303 co-relation queries the response was YES. [2023-11-29 02:58:50,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5344 conditions, 4696 events. 181/4696 cut-off events. For 157/303 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 36056 event pairs, 26 based on Foata normal form. 0/4161 useless extension candidates. Maximal degree in co-relation 4835. Up to 82 conditions per place. [2023-11-29 02:58:50,224 INFO L140 encePairwiseOnDemand]: 599/607 looper letters, 15 selfloop transitions, 5 changer transitions 0/581 dead transitions. [2023-11-29 02:58:50,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 581 transitions, 1590 flow [2023-11-29 02:58:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:50,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1721 transitions. [2023-11-29 02:58:50,227 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9450851180669961 [2023-11-29 02:58:50,228 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1721 transitions. [2023-11-29 02:58:50,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1721 transitions. [2023-11-29 02:58:50,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:50,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1721 transitions. [2023-11-29 02:58:50,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.6666666666666) internal successors, (1721), 3 states have internal predecessors, (1721), 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 02:58:50,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:50,233 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:50,233 INFO L175 Difference]: Start difference. First operand has 566 places, 579 transitions, 1544 flow. Second operand 3 states and 1721 transitions. [2023-11-29 02:58:50,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 581 transitions, 1590 flow [2023-11-29 02:58:50,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 581 transitions, 1586 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:50,246 INFO L231 Difference]: Finished difference. Result has 565 places, 579 transitions, 1566 flow [2023-11-29 02:58:50,246 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1534, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=571, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1566, PETRI_PLACES=565, PETRI_TRANSITIONS=579} [2023-11-29 02:58:50,247 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 9 predicate places. [2023-11-29 02:58:50,247 INFO L495 AbstractCegarLoop]: Abstraction has has 565 places, 579 transitions, 1566 flow [2023-11-29 02:58:50,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 567.6666666666666) internal successors, (1703), 3 states have internal predecessors, (1703), 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 02:58:50,247 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:50,248 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:50,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 02:58:50,248 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:50,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:50,248 INFO L85 PathProgramCache]: Analyzing trace with hash 991808, now seen corresponding path program 1 times [2023-11-29 02:58:50,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:50,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313012376] [2023-11-29 02:58:50,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:50,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:58:50,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:50,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313012376] [2023-11-29 02:58:50,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313012376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:50,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:50,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:58:50,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967348519] [2023-11-29 02:58:50,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:50,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:58:50,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:50,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:58:50,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:58:50,480 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 570 out of 607 [2023-11-29 02:58:50,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 579 transitions, 1566 flow. Second operand has 4 states, 4 states have (on average 571.5) internal successors, (2286), 4 states have internal predecessors, (2286), 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 02:58:50,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:50,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 570 of 607 [2023-11-29 02:58:50,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:52,164 INFO L124 PetriNetUnfolderBase]: 197/5438 cut-off events. [2023-11-29 02:58:52,165 INFO L125 PetriNetUnfolderBase]: For 227/386 co-relation queries the response was YES. [2023-11-29 02:58:52,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6249 conditions, 5438 events. 197/5438 cut-off events. For 227/386 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 44772 event pairs, 45 based on Foata normal form. 4/4833 useless extension candidates. Maximal degree in co-relation 5739. Up to 105 conditions per place. [2023-11-29 02:58:52,266 INFO L140 encePairwiseOnDemand]: 602/607 looper letters, 25 selfloop transitions, 4 changer transitions 0/593 dead transitions. [2023-11-29 02:58:52,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 593 transitions, 1660 flow [2023-11-29 02:58:52,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:58:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 02:58:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2880 transitions. [2023-11-29 02:58:52,269 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9489291598023064 [2023-11-29 02:58:52,269 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2880 transitions. [2023-11-29 02:58:52,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2880 transitions. [2023-11-29 02:58:52,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:52,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2880 transitions. [2023-11-29 02:58:52,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 576.0) internal successors, (2880), 5 states have internal predecessors, (2880), 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 02:58:52,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 607.0) internal successors, (3642), 6 states have internal predecessors, (3642), 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 02:58:52,276 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 607.0) internal successors, (3642), 6 states have internal predecessors, (3642), 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 02:58:52,277 INFO L175 Difference]: Start difference. First operand has 565 places, 579 transitions, 1566 flow. Second operand 5 states and 2880 transitions. [2023-11-29 02:58:52,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 593 transitions, 1660 flow [2023-11-29 02:58:52,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 593 transitions, 1650 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:52,291 INFO L231 Difference]: Finished difference. Result has 570 places, 581 transitions, 1581 flow [2023-11-29 02:58:52,292 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=563, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=578, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=574, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1581, PETRI_PLACES=570, PETRI_TRANSITIONS=581} [2023-11-29 02:58:52,292 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 14 predicate places. [2023-11-29 02:58:52,292 INFO L495 AbstractCegarLoop]: Abstraction has has 570 places, 581 transitions, 1581 flow [2023-11-29 02:58:52,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 571.5) internal successors, (2286), 4 states have internal predecessors, (2286), 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 02:58:52,292 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:52,293 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:52,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 02:58:52,293 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:52,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:52,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1707204098, now seen corresponding path program 1 times [2023-11-29 02:58:52,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:52,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223748333] [2023-11-29 02:58:52,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:52,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:58:53,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:53,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223748333] [2023-11-29 02:58:53,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223748333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:53,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:53,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:58:53,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985458530] [2023-11-29 02:58:53,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:53,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:58:53,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:53,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:58:53,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:58:53,511 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 607 [2023-11-29 02:58:53,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 581 transitions, 1581 flow. Second operand has 6 states, 6 states have (on average 559.6666666666666) internal successors, (3358), 6 states have internal predecessors, (3358), 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 02:58:53,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:53,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 607 [2023-11-29 02:58:53,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:54,875 INFO L124 PetriNetUnfolderBase]: 153/4164 cut-off events. [2023-11-29 02:58:54,876 INFO L125 PetriNetUnfolderBase]: For 221/366 co-relation queries the response was YES. [2023-11-29 02:58:54,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4908 conditions, 4164 events. 153/4164 cut-off events. For 221/366 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 30439 event pairs, 17 based on Foata normal form. 17/3749 useless extension candidates. Maximal degree in co-relation 4594. Up to 139 conditions per place. [2023-11-29 02:58:54,969 INFO L140 encePairwiseOnDemand]: 601/607 looper letters, 30 selfloop transitions, 6 changer transitions 0/588 dead transitions. [2023-11-29 02:58:54,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 588 transitions, 1675 flow [2023-11-29 02:58:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:58:54,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:58:54,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3372 transitions. [2023-11-29 02:58:54,972 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9258649093904449 [2023-11-29 02:58:54,972 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3372 transitions. [2023-11-29 02:58:54,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3372 transitions. [2023-11-29 02:58:54,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:54,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3372 transitions. [2023-11-29 02:58:54,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 562.0) internal successors, (3372), 6 states have internal predecessors, (3372), 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 02:58:54,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:58:54,977 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:58:54,977 INFO L175 Difference]: Start difference. First operand has 570 places, 581 transitions, 1581 flow. Second operand 6 states and 3372 transitions. [2023-11-29 02:58:54,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 588 transitions, 1675 flow [2023-11-29 02:58:54,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 574 places, 588 transitions, 1675 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:58:54,988 INFO L231 Difference]: Finished difference. Result has 574 places, 580 transitions, 1591 flow [2023-11-29 02:58:54,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1579, PETRI_DIFFERENCE_MINUEND_PLACES=569, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=574, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1591, PETRI_PLACES=574, PETRI_TRANSITIONS=580} [2023-11-29 02:58:54,989 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 18 predicate places. [2023-11-29 02:58:54,989 INFO L495 AbstractCegarLoop]: Abstraction has has 574 places, 580 transitions, 1591 flow [2023-11-29 02:58:54,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 559.6666666666666) internal successors, (3358), 6 states have internal predecessors, (3358), 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 02:58:54,989 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:54,989 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:54,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 02:58:54,990 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:54,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:54,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1706843997, now seen corresponding path program 1 times [2023-11-29 02:58:54,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:54,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158991500] [2023-11-29 02:58:54,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:54,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:58:55,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:55,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158991500] [2023-11-29 02:58:55,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158991500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:55,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:55,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:55,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135631852] [2023-11-29 02:58:55,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:55,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:55,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:55,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:55,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:55,135 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 568 out of 607 [2023-11-29 02:58:55,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 580 transitions, 1591 flow. Second operand has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:55,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:55,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 568 of 607 [2023-11-29 02:58:55,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:57,743 INFO L124 PetriNetUnfolderBase]: 293/7286 cut-off events. [2023-11-29 02:58:57,743 INFO L125 PetriNetUnfolderBase]: For 290/773 co-relation queries the response was YES. [2023-11-29 02:58:57,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8309 conditions, 7286 events. 293/7286 cut-off events. For 290/773 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 67718 event pairs, 86 based on Foata normal form. 17/6452 useless extension candidates. Maximal degree in co-relation 7796. Up to 213 conditions per place. [2023-11-29 02:58:57,938 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 17 selfloop transitions, 2 changer transitions 0/581 dead transitions. [2023-11-29 02:58:57,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 581 transitions, 1633 flow [2023-11-29 02:58:57,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:57,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1722 transitions. [2023-11-29 02:58:57,940 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9456342668863262 [2023-11-29 02:58:57,940 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1722 transitions. [2023-11-29 02:58:57,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1722 transitions. [2023-11-29 02:58:57,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:57,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1722 transitions. [2023-11-29 02:58:57,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 574.0) internal successors, (1722), 3 states have internal predecessors, (1722), 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 02:58:57,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:57,944 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:57,944 INFO L175 Difference]: Start difference. First operand has 574 places, 580 transitions, 1591 flow. Second operand 3 states and 1722 transitions. [2023-11-29 02:58:57,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 581 transitions, 1633 flow [2023-11-29 02:58:57,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 581 transitions, 1621 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:58:57,955 INFO L231 Difference]: Finished difference. Result has 570 places, 579 transitions, 1581 flow [2023-11-29 02:58:57,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1577, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1581, PETRI_PLACES=570, PETRI_TRANSITIONS=579} [2023-11-29 02:58:57,956 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 14 predicate places. [2023-11-29 02:58:57,956 INFO L495 AbstractCegarLoop]: Abstraction has has 570 places, 579 transitions, 1581 flow [2023-11-29 02:58:57,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:58:57,957 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:57,957 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:57,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 02:58:57,957 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:57,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:57,958 INFO L85 PathProgramCache]: Analyzing trace with hash -616544821, now seen corresponding path program 1 times [2023-11-29 02:58:57,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:57,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510089848] [2023-11-29 02:58:57,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:57,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:58:58,070 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:58:58,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:58:58,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510089848] [2023-11-29 02:58:58,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510089848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:58:58,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:58:58,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:58:58,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019908470] [2023-11-29 02:58:58,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:58:58,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:58:58,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:58:58,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:58:58,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:58:58,091 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 607 [2023-11-29 02:58:58,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 579 transitions, 1581 flow. Second operand has 3 states, 3 states have (on average 568.0) internal successors, (1704), 3 states have internal predecessors, (1704), 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 02:58:58,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:58:58,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 607 [2023-11-29 02:58:58,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:58:59,818 INFO L124 PetriNetUnfolderBase]: 344/6329 cut-off events. [2023-11-29 02:58:59,818 INFO L125 PetriNetUnfolderBase]: For 328/369 co-relation queries the response was YES. [2023-11-29 02:58:59,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7373 conditions, 6329 events. 344/6329 cut-off events. For 328/369 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 57925 event pairs, 84 based on Foata normal form. 24/5605 useless extension candidates. Maximal degree in co-relation 6860. Up to 316 conditions per place. [2023-11-29 02:58:59,919 INFO L140 encePairwiseOnDemand]: 599/607 looper letters, 13 selfloop transitions, 4 changer transitions 13/581 dead transitions. [2023-11-29 02:58:59,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 581 transitions, 1625 flow [2023-11-29 02:58:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:58:59,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:58:59,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1720 transitions. [2023-11-29 02:58:59,921 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9445359692476661 [2023-11-29 02:58:59,921 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1720 transitions. [2023-11-29 02:58:59,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1720 transitions. [2023-11-29 02:58:59,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:58:59,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1720 transitions. [2023-11-29 02:58:59,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 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 02:58:59,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:59,924 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:58:59,924 INFO L175 Difference]: Start difference. First operand has 570 places, 579 transitions, 1581 flow. Second operand 3 states and 1720 transitions. [2023-11-29 02:58:59,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 581 transitions, 1625 flow [2023-11-29 02:58:59,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 581 transitions, 1621 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:58:59,935 INFO L231 Difference]: Finished difference. Result has 569 places, 566 transitions, 1568 flow [2023-11-29 02:58:59,935 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1571, PETRI_DIFFERENCE_MINUEND_PLACES=565, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=572, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1568, PETRI_PLACES=569, PETRI_TRANSITIONS=566} [2023-11-29 02:58:59,936 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 13 predicate places. [2023-11-29 02:58:59,936 INFO L495 AbstractCegarLoop]: Abstraction has has 569 places, 566 transitions, 1568 flow [2023-11-29 02:58:59,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 568.0) internal successors, (1704), 3 states have internal predecessors, (1704), 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 02:58:59,936 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:58:59,936 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:58:59,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 02:58:59,937 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:58:59,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:58:59,937 INFO L85 PathProgramCache]: Analyzing trace with hash -54319643, now seen corresponding path program 1 times [2023-11-29 02:58:59,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:58:59,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315848987] [2023-11-29 02:58:59,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:58:59,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:58:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:00,042 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:59:00,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:00,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315848987] [2023-11-29 02:59:00,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315848987] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:00,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:00,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:59:00,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742937110] [2023-11-29 02:59:00,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:00,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:59:00,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:00,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:59:00,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:59:00,053 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 571 out of 607 [2023-11-29 02:59:00,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 569 places, 566 transitions, 1568 flow. Second operand has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 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 02:59:00,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:00,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 571 of 607 [2023-11-29 02:59:00,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:03,633 INFO L124 PetriNetUnfolderBase]: 480/10569 cut-off events. [2023-11-29 02:59:03,633 INFO L125 PetriNetUnfolderBase]: For 474/491 co-relation queries the response was YES. [2023-11-29 02:59:03,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12362 conditions, 10569 events. 480/10569 cut-off events. For 474/491 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 109853 event pairs, 141 based on Foata normal form. 1/9558 useless extension candidates. Maximal degree in co-relation 11848. Up to 573 conditions per place. [2023-11-29 02:59:03,875 INFO L140 encePairwiseOnDemand]: 603/607 looper letters, 13 selfloop transitions, 2 changer transitions 0/569 dead transitions. [2023-11-29 02:59:03,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 569 transitions, 1607 flow [2023-11-29 02:59:03,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:59:03,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:59:03,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1730 transitions. [2023-11-29 02:59:03,877 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9500274574409665 [2023-11-29 02:59:03,877 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1730 transitions. [2023-11-29 02:59:03,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1730 transitions. [2023-11-29 02:59:03,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:03,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1730 transitions. [2023-11-29 02:59:03,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 576.6666666666666) internal successors, (1730), 3 states have internal predecessors, (1730), 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 02:59:03,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:59:03,882 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:59:03,882 INFO L175 Difference]: Start difference. First operand has 569 places, 566 transitions, 1568 flow. Second operand 3 states and 1730 transitions. [2023-11-29 02:59:03,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 569 transitions, 1607 flow [2023-11-29 02:59:03,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 569 transitions, 1599 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:59:03,899 INFO L231 Difference]: Finished difference. Result has 556 places, 566 transitions, 1570 flow [2023-11-29 02:59:03,900 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1556, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1570, PETRI_PLACES=556, PETRI_TRANSITIONS=566} [2023-11-29 02:59:03,901 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 0 predicate places. [2023-11-29 02:59:03,901 INFO L495 AbstractCegarLoop]: Abstraction has has 556 places, 566 transitions, 1570 flow [2023-11-29 02:59:03,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 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 02:59:03,902 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:03,902 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:03,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 02:59:03,902 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:59:03,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:03,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1037097568, now seen corresponding path program 1 times [2023-11-29 02:59:03,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:03,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146921615] [2023-11-29 02:59:03,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:03,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:04,902 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:59:04,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:04,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146921615] [2023-11-29 02:59:04,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146921615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:04,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:04,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:59:04,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40553654] [2023-11-29 02:59:04,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:04,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:59:04,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:04,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:59:04,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:59:05,433 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 607 [2023-11-29 02:59:05,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 566 transitions, 1570 flow. Second operand has 6 states, 6 states have (on average 559.5) internal successors, (3357), 6 states have internal predecessors, (3357), 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 02:59:05,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:05,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 607 [2023-11-29 02:59:05,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:07,355 INFO L124 PetriNetUnfolderBase]: 203/6072 cut-off events. [2023-11-29 02:59:07,355 INFO L125 PetriNetUnfolderBase]: For 175/280 co-relation queries the response was YES. [2023-11-29 02:59:07,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7268 conditions, 6072 events. 203/6072 cut-off events. For 175/280 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 48923 event pairs, 33 based on Foata normal form. 24/5592 useless extension candidates. Maximal degree in co-relation 7066. Up to 135 conditions per place. [2023-11-29 02:59:07,498 INFO L140 encePairwiseOnDemand]: 601/607 looper letters, 29 selfloop transitions, 6 changer transitions 0/573 dead transitions. [2023-11-29 02:59:07,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 573 transitions, 1662 flow [2023-11-29 02:59:07,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:59:07,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:59:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3371 transitions. [2023-11-29 02:59:07,501 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9255903349807798 [2023-11-29 02:59:07,502 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3371 transitions. [2023-11-29 02:59:07,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3371 transitions. [2023-11-29 02:59:07,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:07,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3371 transitions. [2023-11-29 02:59:07,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 561.8333333333334) internal successors, (3371), 6 states have internal predecessors, (3371), 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 02:59:07,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:59:07,509 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:59:07,509 INFO L175 Difference]: Start difference. First operand has 556 places, 566 transitions, 1570 flow. Second operand 6 states and 3371 transitions. [2023-11-29 02:59:07,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 573 transitions, 1662 flow [2023-11-29 02:59:07,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 573 transitions, 1662 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:59:07,521 INFO L231 Difference]: Finished difference. Result has 560 places, 565 transitions, 1580 flow [2023-11-29 02:59:07,521 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1568, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1580, PETRI_PLACES=560, PETRI_TRANSITIONS=565} [2023-11-29 02:59:07,522 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 4 predicate places. [2023-11-29 02:59:07,522 INFO L495 AbstractCegarLoop]: Abstraction has has 560 places, 565 transitions, 1580 flow [2023-11-29 02:59:07,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 559.5) internal successors, (3357), 6 states have internal predecessors, (3357), 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 02:59:07,522 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:07,523 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:07,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 02:59:07,523 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:59:07,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:07,524 INFO L85 PathProgramCache]: Analyzing trace with hash 2119565687, now seen corresponding path program 1 times [2023-11-29 02:59:07,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:07,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114377535] [2023-11-29 02:59:07,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:07,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:07,720 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:59:07,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:07,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114377535] [2023-11-29 02:59:07,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114377535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:07,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:07,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:59:07,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409107917] [2023-11-29 02:59:07,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:07,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:59:07,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:07,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:59:07,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:59:07,769 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 570 out of 607 [2023-11-29 02:59:07,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 565 transitions, 1580 flow. Second operand has 4 states, 4 states have (on average 571.75) internal successors, (2287), 4 states have internal predecessors, (2287), 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 02:59:07,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:07,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 570 of 607 [2023-11-29 02:59:07,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:11,070 INFO L124 PetriNetUnfolderBase]: 464/9261 cut-off events. [2023-11-29 02:59:11,070 INFO L125 PetriNetUnfolderBase]: For 470/507 co-relation queries the response was YES. [2023-11-29 02:59:11,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11245 conditions, 9261 events. 464/9261 cut-off events. For 470/507 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 99553 event pairs, 188 based on Foata normal form. 0/8288 useless extension candidates. Maximal degree in co-relation 10730. Up to 519 conditions per place. [2023-11-29 02:59:11,283 INFO L140 encePairwiseOnDemand]: 602/607 looper letters, 20 selfloop transitions, 4 changer transitions 0/575 dead transitions. [2023-11-29 02:59:11,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 575 transitions, 1652 flow [2023-11-29 02:59:11,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:59:11,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 02:59:11,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2875 transitions. [2023-11-29 02:59:11,286 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9472817133443163 [2023-11-29 02:59:11,286 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2875 transitions. [2023-11-29 02:59:11,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2875 transitions. [2023-11-29 02:59:11,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:11,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2875 transitions. [2023-11-29 02:59:11,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 575.0) internal successors, (2875), 5 states have internal predecessors, (2875), 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 02:59:11,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 607.0) internal successors, (3642), 6 states have internal predecessors, (3642), 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 02:59:11,290 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 607.0) internal successors, (3642), 6 states have internal predecessors, (3642), 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 02:59:11,290 INFO L175 Difference]: Start difference. First operand has 560 places, 565 transitions, 1580 flow. Second operand 5 states and 2875 transitions. [2023-11-29 02:59:11,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 575 transitions, 1652 flow [2023-11-29 02:59:11,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 575 transitions, 1640 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:59:11,301 INFO L231 Difference]: Finished difference. Result has 562 places, 567 transitions, 1593 flow [2023-11-29 02:59:11,301 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1564, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1593, PETRI_PLACES=562, PETRI_TRANSITIONS=567} [2023-11-29 02:59:11,302 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 6 predicate places. [2023-11-29 02:59:11,302 INFO L495 AbstractCegarLoop]: Abstraction has has 562 places, 567 transitions, 1593 flow [2023-11-29 02:59:11,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 571.75) internal successors, (2287), 4 states have internal predecessors, (2287), 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 02:59:11,302 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:11,303 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:11,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 02:59:11,303 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:59:11,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:11,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1842206841, now seen corresponding path program 1 times [2023-11-29 02:59:11,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:11,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922738341] [2023-11-29 02:59:11,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:11,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:59:12,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:12,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922738341] [2023-11-29 02:59:12,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922738341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:12,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:12,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:59:12,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392293217] [2023-11-29 02:59:12,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:12,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:59:12,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:12,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:59:12,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:59:12,542 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 607 [2023-11-29 02:59:12,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 562 places, 567 transitions, 1593 flow. Second operand has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 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 02:59:12,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:12,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 607 [2023-11-29 02:59:12,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:15,384 INFO L124 PetriNetUnfolderBase]: 462/8970 cut-off events. [2023-11-29 02:59:15,385 INFO L125 PetriNetUnfolderBase]: For 713/764 co-relation queries the response was YES. [2023-11-29 02:59:15,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11429 conditions, 8970 events. 462/8970 cut-off events. For 713/764 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 95408 event pairs, 78 based on Foata normal form. 0/8234 useless extension candidates. Maximal degree in co-relation 10850. Up to 282 conditions per place. [2023-11-29 02:59:15,556 INFO L140 encePairwiseOnDemand]: 601/607 looper letters, 29 selfloop transitions, 6 changer transitions 0/574 dead transitions. [2023-11-29 02:59:15,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 574 transitions, 1685 flow [2023-11-29 02:59:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:59:15,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:59:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3371 transitions. [2023-11-29 02:59:15,559 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9255903349807798 [2023-11-29 02:59:15,559 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3371 transitions. [2023-11-29 02:59:15,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3371 transitions. [2023-11-29 02:59:15,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:15,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3371 transitions. [2023-11-29 02:59:15,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 561.8333333333334) internal successors, (3371), 6 states have internal predecessors, (3371), 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 02:59:15,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:59:15,563 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:59:15,563 INFO L175 Difference]: Start difference. First operand has 562 places, 567 transitions, 1593 flow. Second operand 6 states and 3371 transitions. [2023-11-29 02:59:15,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 574 transitions, 1685 flow [2023-11-29 02:59:15,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 574 transitions, 1685 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:59:15,573 INFO L231 Difference]: Finished difference. Result has 566 places, 566 transitions, 1603 flow [2023-11-29 02:59:15,574 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1591, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1603, PETRI_PLACES=566, PETRI_TRANSITIONS=566} [2023-11-29 02:59:15,574 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 10 predicate places. [2023-11-29 02:59:15,574 INFO L495 AbstractCegarLoop]: Abstraction has has 566 places, 566 transitions, 1603 flow [2023-11-29 02:59:15,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 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 02:59:15,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:15,575 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:15,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 02:59:15,575 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:59:15,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:15,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1571841254, now seen corresponding path program 1 times [2023-11-29 02:59:15,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:15,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858889614] [2023-11-29 02:59:15,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:15,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:15,712 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:59:15,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:15,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858889614] [2023-11-29 02:59:15,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858889614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:15,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:15,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:59:15,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232678939] [2023-11-29 02:59:15,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:15,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:59:15,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:15,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:59:15,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:59:15,741 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 568 out of 607 [2023-11-29 02:59:15,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 566 transitions, 1603 flow. Second operand has 3 states, 3 states have (on average 570.6666666666666) internal successors, (1712), 3 states have internal predecessors, (1712), 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 02:59:15,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:15,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 568 of 607 [2023-11-29 02:59:15,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:18,996 INFO L124 PetriNetUnfolderBase]: 678/9220 cut-off events. [2023-11-29 02:59:18,996 INFO L125 PetriNetUnfolderBase]: For 1142/1183 co-relation queries the response was YES. [2023-11-29 02:59:19,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12516 conditions, 9220 events. 678/9220 cut-off events. For 1142/1183 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 102314 event pairs, 366 based on Foata normal form. 0/8432 useless extension candidates. Maximal degree in co-relation 11998. Up to 936 conditions per place. [2023-11-29 02:59:19,184 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 15 selfloop transitions, 2 changer transitions 0/567 dead transitions. [2023-11-29 02:59:19,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 567 transitions, 1641 flow [2023-11-29 02:59:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:59:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:59:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1720 transitions. [2023-11-29 02:59:19,186 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9445359692476661 [2023-11-29 02:59:19,186 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1720 transitions. [2023-11-29 02:59:19,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1720 transitions. [2023-11-29 02:59:19,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:19,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1720 transitions. [2023-11-29 02:59:19,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 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 02:59:19,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:59:19,189 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:59:19,189 INFO L175 Difference]: Start difference. First operand has 566 places, 566 transitions, 1603 flow. Second operand 3 states and 1720 transitions. [2023-11-29 02:59:19,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 567 transitions, 1641 flow [2023-11-29 02:59:19,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 567 transitions, 1629 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:59:19,201 INFO L231 Difference]: Finished difference. Result has 562 places, 565 transitions, 1593 flow [2023-11-29 02:59:19,202 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1589, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1593, PETRI_PLACES=562, PETRI_TRANSITIONS=565} [2023-11-29 02:59:19,202 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 6 predicate places. [2023-11-29 02:59:19,202 INFO L495 AbstractCegarLoop]: Abstraction has has 562 places, 565 transitions, 1593 flow [2023-11-29 02:59:19,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.6666666666666) internal successors, (1712), 3 states have internal predecessors, (1712), 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 02:59:19,202 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:19,203 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:19,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 02:59:19,203 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:59:19,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:19,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1503851817, now seen corresponding path program 1 times [2023-11-29 02:59:19,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:19,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191848001] [2023-11-29 02:59:19,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:19,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:19,927 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:59:19,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:19,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191848001] [2023-11-29 02:59:19,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191848001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:19,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:19,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:59:19,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840809483] [2023-11-29 02:59:19,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:19,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:59:19,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:19,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:59:19,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:59:20,350 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 607 [2023-11-29 02:59:20,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 562 places, 565 transitions, 1593 flow. Second operand has 6 states, 6 states have (on average 559.6666666666666) internal successors, (3358), 6 states have internal predecessors, (3358), 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 02:59:20,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:20,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 607 [2023-11-29 02:59:20,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:22,954 INFO L124 PetriNetUnfolderBase]: 216/6873 cut-off events. [2023-11-29 02:59:22,955 INFO L125 PetriNetUnfolderBase]: For 362/444 co-relation queries the response was YES. [2023-11-29 02:59:23,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8501 conditions, 6873 events. 216/6873 cut-off events. For 362/444 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 60219 event pairs, 39 based on Foata normal form. 2/6435 useless extension candidates. Maximal degree in co-relation 8187. Up to 152 conditions per place. [2023-11-29 02:59:23,143 INFO L140 encePairwiseOnDemand]: 601/607 looper letters, 29 selfloop transitions, 6 changer transitions 0/572 dead transitions. [2023-11-29 02:59:23,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 572 transitions, 1685 flow [2023-11-29 02:59:23,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:59:23,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:59:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3371 transitions. [2023-11-29 02:59:23,146 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9255903349807798 [2023-11-29 02:59:23,146 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3371 transitions. [2023-11-29 02:59:23,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3371 transitions. [2023-11-29 02:59:23,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:23,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3371 transitions. [2023-11-29 02:59:23,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 561.8333333333334) internal successors, (3371), 6 states have internal predecessors, (3371), 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 02:59:23,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:59:23,150 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:59:23,151 INFO L175 Difference]: Start difference. First operand has 562 places, 565 transitions, 1593 flow. Second operand 6 states and 3371 transitions. [2023-11-29 02:59:23,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 572 transitions, 1685 flow [2023-11-29 02:59:23,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 564 places, 572 transitions, 1681 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:59:23,161 INFO L231 Difference]: Finished difference. Result has 564 places, 564 transitions, 1599 flow [2023-11-29 02:59:23,162 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1587, PETRI_DIFFERENCE_MINUEND_PLACES=559, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1599, PETRI_PLACES=564, PETRI_TRANSITIONS=564} [2023-11-29 02:59:23,162 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 8 predicate places. [2023-11-29 02:59:23,162 INFO L495 AbstractCegarLoop]: Abstraction has has 564 places, 564 transitions, 1599 flow [2023-11-29 02:59:23,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 559.6666666666666) internal successors, (3358), 6 states have internal predecessors, (3358), 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 02:59:23,163 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:23,163 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:23,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 02:59:23,163 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:59:23,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:23,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1330199712, now seen corresponding path program 1 times [2023-11-29 02:59:23,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:23,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949772007] [2023-11-29 02:59:23,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:23,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:59:23,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:23,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949772007] [2023-11-29 02:59:23,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949772007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:23,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:23,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:59:23,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702952304] [2023-11-29 02:59:23,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:23,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:59:23,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:23,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:59:23,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:59:24,281 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 607 [2023-11-29 02:59:24,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 564 transitions, 1599 flow. Second operand has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 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 02:59:24,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:24,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 607 [2023-11-29 02:59:24,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:27,634 INFO L124 PetriNetUnfolderBase]: 512/8978 cut-off events. [2023-11-29 02:59:27,634 INFO L125 PetriNetUnfolderBase]: For 782/823 co-relation queries the response was YES. [2023-11-29 02:59:27,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11617 conditions, 8978 events. 512/8978 cut-off events. For 782/823 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 95263 event pairs, 76 based on Foata normal form. 8/8423 useless extension candidates. Maximal degree in co-relation 11038. Up to 320 conditions per place. [2023-11-29 02:59:27,740 INFO L140 encePairwiseOnDemand]: 601/607 looper letters, 29 selfloop transitions, 6 changer transitions 0/571 dead transitions. [2023-11-29 02:59:27,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 571 transitions, 1691 flow [2023-11-29 02:59:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:59:27,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:59:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3371 transitions. [2023-11-29 02:59:27,743 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9255903349807798 [2023-11-29 02:59:27,743 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3371 transitions. [2023-11-29 02:59:27,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3371 transitions. [2023-11-29 02:59:27,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:27,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3371 transitions. [2023-11-29 02:59:27,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 561.8333333333334) internal successors, (3371), 6 states have internal predecessors, (3371), 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 02:59:27,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:59:27,748 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:59:27,748 INFO L175 Difference]: Start difference. First operand has 564 places, 564 transitions, 1599 flow. Second operand 6 states and 3371 transitions. [2023-11-29 02:59:27,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 571 transitions, 1691 flow [2023-11-29 02:59:27,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 571 transitions, 1679 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:59:27,757 INFO L231 Difference]: Finished difference. Result has 563 places, 563 transitions, 1597 flow [2023-11-29 02:59:27,758 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1585, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1597, PETRI_PLACES=563, PETRI_TRANSITIONS=563} [2023-11-29 02:59:27,758 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 7 predicate places. [2023-11-29 02:59:27,758 INFO L495 AbstractCegarLoop]: Abstraction has has 563 places, 563 transitions, 1597 flow [2023-11-29 02:59:27,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 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 02:59:27,758 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:27,759 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:27,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 02:59:27,759 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:59:27,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:27,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1456603235, now seen corresponding path program 1 times [2023-11-29 02:59:27,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:27,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713391984] [2023-11-29 02:59:27,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:27,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:59:28,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:28,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713391984] [2023-11-29 02:59:28,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713391984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:28,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:28,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:59:28,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897026667] [2023-11-29 02:59:28,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:28,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:59:28,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:28,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:59:28,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:59:29,109 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 607 [2023-11-29 02:59:29,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 563 transitions, 1597 flow. Second operand has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 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 02:59:29,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:29,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 607 [2023-11-29 02:59:29,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:30,669 INFO L124 PetriNetUnfolderBase]: 76/4314 cut-off events. [2023-11-29 02:59:30,670 INFO L125 PetriNetUnfolderBase]: For 186/213 co-relation queries the response was YES. [2023-11-29 02:59:30,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5459 conditions, 4314 events. 76/4314 cut-off events. For 186/213 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 30712 event pairs, 22 based on Foata normal form. 8/4128 useless extension candidates. Maximal degree in co-relation 5293. Up to 81 conditions per place. [2023-11-29 02:59:30,775 INFO L140 encePairwiseOnDemand]: 602/607 looper letters, 20 selfloop transitions, 4 changer transitions 0/562 dead transitions. [2023-11-29 02:59:30,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 562 transitions, 1643 flow [2023-11-29 02:59:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:59:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:59:30,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3361 transitions. [2023-11-29 02:59:30,778 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9228445908841296 [2023-11-29 02:59:30,778 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3361 transitions. [2023-11-29 02:59:30,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3361 transitions. [2023-11-29 02:59:30,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:30,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3361 transitions. [2023-11-29 02:59:30,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 560.1666666666666) internal successors, (3361), 6 states have internal predecessors, (3361), 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 02:59:30,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:59:30,783 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:59:30,783 INFO L175 Difference]: Start difference. First operand has 563 places, 563 transitions, 1597 flow. Second operand 6 states and 3361 transitions. [2023-11-29 02:59:30,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 562 transitions, 1643 flow [2023-11-29 02:59:30,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 562 transitions, 1631 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:59:30,792 INFO L231 Difference]: Finished difference. Result has 562 places, 562 transitions, 1591 flow [2023-11-29 02:59:30,793 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1583, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1591, PETRI_PLACES=562, PETRI_TRANSITIONS=562} [2023-11-29 02:59:30,793 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 6 predicate places. [2023-11-29 02:59:30,794 INFO L495 AbstractCegarLoop]: Abstraction has has 562 places, 562 transitions, 1591 flow [2023-11-29 02:59:30,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 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 02:59:30,794 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:30,795 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:30,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 02:59:30,795 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:59:30,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:30,795 INFO L85 PathProgramCache]: Analyzing trace with hash -245283312, now seen corresponding path program 1 times [2023-11-29 02:59:30,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:30,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160155843] [2023-11-29 02:59:30,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:30,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:59:30,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:30,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160155843] [2023-11-29 02:59:30,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160155843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:30,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:30,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:59:30,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920965970] [2023-11-29 02:59:30,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:30,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:59:30,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:30,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:59:30,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:59:30,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 568 out of 607 [2023-11-29 02:59:30,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 562 places, 562 transitions, 1591 flow. Second operand has 3 states, 3 states have (on average 569.6666666666666) internal successors, (1709), 3 states have internal predecessors, (1709), 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 02:59:30,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:30,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 568 of 607 [2023-11-29 02:59:30,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:33,942 INFO L124 PetriNetUnfolderBase]: 226/8487 cut-off events. [2023-11-29 02:59:33,942 INFO L125 PetriNetUnfolderBase]: For 305/531 co-relation queries the response was YES. [2023-11-29 02:59:34,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10540 conditions, 8487 events. 226/8487 cut-off events. For 305/531 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 79106 event pairs, 84 based on Foata normal form. 10/8129 useless extension candidates. Maximal degree in co-relation 10234. Up to 301 conditions per place. [2023-11-29 02:59:34,135 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 14 selfloop transitions, 3 changer transitions 0/563 dead transitions. [2023-11-29 02:59:34,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 563 transitions, 1629 flow [2023-11-29 02:59:34,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:59:34,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:59:34,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1720 transitions. [2023-11-29 02:59:34,137 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9445359692476661 [2023-11-29 02:59:34,137 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1720 transitions. [2023-11-29 02:59:34,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1720 transitions. [2023-11-29 02:59:34,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:34,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1720 transitions. [2023-11-29 02:59:34,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 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 02:59:34,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:59:34,141 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:59:34,141 INFO L175 Difference]: Start difference. First operand has 562 places, 562 transitions, 1591 flow. Second operand 3 states and 1720 transitions. [2023-11-29 02:59:34,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 563 transitions, 1629 flow [2023-11-29 02:59:34,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 563 transitions, 1622 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:59:34,157 INFO L231 Difference]: Finished difference. Result has 559 places, 561 transitions, 1588 flow [2023-11-29 02:59:34,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1582, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1588, PETRI_PLACES=559, PETRI_TRANSITIONS=561} [2023-11-29 02:59:34,158 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 3 predicate places. [2023-11-29 02:59:34,158 INFO L495 AbstractCegarLoop]: Abstraction has has 559 places, 561 transitions, 1588 flow [2023-11-29 02:59:34,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 569.6666666666666) internal successors, (1709), 3 states have internal predecessors, (1709), 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 02:59:34,159 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:34,159 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:34,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 02:59:34,159 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:59:34,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:34,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1773653863, now seen corresponding path program 1 times [2023-11-29 02:59:34,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:34,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599245280] [2023-11-29 02:59:34,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:34,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:59:34,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:34,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599245280] [2023-11-29 02:59:34,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599245280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:34,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:34,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:59:34,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746366707] [2023-11-29 02:59:34,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:34,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:59:34,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:34,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:59:34,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:59:34,335 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 568 out of 607 [2023-11-29 02:59:34,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 561 transitions, 1588 flow. Second operand has 3 states, 3 states have (on average 570.0) internal successors, (1710), 3 states have internal predecessors, (1710), 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 02:59:34,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:34,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 568 of 607 [2023-11-29 02:59:34,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:37,459 INFO L124 PetriNetUnfolderBase]: 324/8959 cut-off events. [2023-11-29 02:59:37,459 INFO L125 PetriNetUnfolderBase]: For 464/594 co-relation queries the response was YES. [2023-11-29 02:59:37,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11080 conditions, 8959 events. 324/8959 cut-off events. For 464/594 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 88093 event pairs, 164 based on Foata normal form. 0/8506 useless extension candidates. Maximal degree in co-relation 10562. Up to 365 conditions per place. [2023-11-29 02:59:37,686 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 14 selfloop transitions, 3 changer transitions 0/562 dead transitions. [2023-11-29 02:59:37,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 562 transitions, 1626 flow [2023-11-29 02:59:37,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:59:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:59:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1720 transitions. [2023-11-29 02:59:37,688 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9445359692476661 [2023-11-29 02:59:37,688 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1720 transitions. [2023-11-29 02:59:37,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1720 transitions. [2023-11-29 02:59:37,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:37,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1720 transitions. [2023-11-29 02:59:37,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 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 02:59:37,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:59:37,690 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:59:37,690 INFO L175 Difference]: Start difference. First operand has 559 places, 561 transitions, 1588 flow. Second operand 3 states and 1720 transitions. [2023-11-29 02:59:37,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 562 transitions, 1626 flow [2023-11-29 02:59:37,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 562 transitions, 1620 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:59:37,700 INFO L231 Difference]: Finished difference. Result has 558 places, 560 transitions, 1586 flow [2023-11-29 02:59:37,701 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1580, PETRI_DIFFERENCE_MINUEND_PLACES=556, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1586, PETRI_PLACES=558, PETRI_TRANSITIONS=560} [2023-11-29 02:59:37,701 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 2 predicate places. [2023-11-29 02:59:37,701 INFO L495 AbstractCegarLoop]: Abstraction has has 558 places, 560 transitions, 1586 flow [2023-11-29 02:59:37,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.0) internal successors, (1710), 3 states have internal predecessors, (1710), 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 02:59:37,701 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:37,702 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:37,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 02:59:37,702 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:59:37,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:37,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1744983472, now seen corresponding path program 1 times [2023-11-29 02:59:37,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:37,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130851409] [2023-11-29 02:59:37,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:37,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:37,815 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:59:37,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:37,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130851409] [2023-11-29 02:59:37,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130851409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:37,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:37,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:59:37,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852114687] [2023-11-29 02:59:37,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:37,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:59:37,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:37,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:59:37,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:59:37,838 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 568 out of 607 [2023-11-29 02:59:37,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 560 transitions, 1586 flow. Second operand has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:59:37,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:37,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 568 of 607 [2023-11-29 02:59:37,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:40,944 INFO L124 PetriNetUnfolderBase]: 620/8953 cut-off events. [2023-11-29 02:59:40,945 INFO L125 PetriNetUnfolderBase]: For 893/922 co-relation queries the response was YES. [2023-11-29 02:59:41,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11735 conditions, 8953 events. 620/8953 cut-off events. For 893/922 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 96812 event pairs, 344 based on Foata normal form. 0/8429 useless extension candidates. Maximal degree in co-relation 11217. Up to 890 conditions per place. [2023-11-29 02:59:41,131 INFO L140 encePairwiseOnDemand]: 604/607 looper letters, 14 selfloop transitions, 3 changer transitions 0/561 dead transitions. [2023-11-29 02:59:41,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 561 transitions, 1624 flow [2023-11-29 02:59:41,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:59:41,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:59:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1720 transitions. [2023-11-29 02:59:41,134 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9445359692476661 [2023-11-29 02:59:41,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1720 transitions. [2023-11-29 02:59:41,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1720 transitions. [2023-11-29 02:59:41,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:41,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1720 transitions. [2023-11-29 02:59:41,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 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 02:59:41,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:59:41,138 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 02:59:41,138 INFO L175 Difference]: Start difference. First operand has 558 places, 560 transitions, 1586 flow. Second operand 3 states and 1720 transitions. [2023-11-29 02:59:41,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 561 transitions, 1624 flow [2023-11-29 02:59:41,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 557 places, 561 transitions, 1618 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:59:41,154 INFO L231 Difference]: Finished difference. Result has 557 places, 559 transitions, 1584 flow [2023-11-29 02:59:41,154 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1578, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1584, PETRI_PLACES=557, PETRI_TRANSITIONS=559} [2023-11-29 02:59:41,155 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 1 predicate places. [2023-11-29 02:59:41,155 INFO L495 AbstractCegarLoop]: Abstraction has has 557 places, 559 transitions, 1584 flow [2023-11-29 02:59:41,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 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 02:59:41,155 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:59:41,156 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:41,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 02:59:41,156 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2023-11-29 02:59:41,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:59:41,157 INFO L85 PathProgramCache]: Analyzing trace with hash -325501006, now seen corresponding path program 1 times [2023-11-29 02:59:41,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:59:41,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122826574] [2023-11-29 02:59:41,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:59:41,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:59:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:59:42,066 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-11-29 02:59:42,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:59:42,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122826574] [2023-11-29 02:59:42,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122826574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:59:42,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:59:42,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:59:42,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763925604] [2023-11-29 02:59:42,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:59:42,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:59:42,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:59:42,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:59:42,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:59:42,449 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 607 [2023-11-29 02:59:42,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 557 places, 559 transitions, 1584 flow. Second operand has 6 states, 6 states have (on average 560.0) internal successors, (3360), 6 states have internal predecessors, (3360), 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 02:59:42,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:59:42,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 607 [2023-11-29 02:59:42,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:59:44,024 INFO L124 PetriNetUnfolderBase]: 76/4252 cut-off events. [2023-11-29 02:59:44,024 INFO L125 PetriNetUnfolderBase]: For 174/191 co-relation queries the response was YES. [2023-11-29 02:59:44,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5280 conditions, 4252 events. 76/4252 cut-off events. For 174/191 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 30114 event pairs, 22 based on Foata normal form. 0/4120 useless extension candidates. Maximal degree in co-relation 5090. Up to 87 conditions per place. [2023-11-29 02:59:44,124 INFO L140 encePairwiseOnDemand]: 602/607 looper letters, 0 selfloop transitions, 0 changer transitions 558/558 dead transitions. [2023-11-29 02:59:44,124 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 558 transitions, 1630 flow [2023-11-29 02:59:44,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:59:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:59:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3361 transitions. [2023-11-29 02:59:44,127 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9228445908841296 [2023-11-29 02:59:44,127 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3361 transitions. [2023-11-29 02:59:44,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3361 transitions. [2023-11-29 02:59:44,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:59:44,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3361 transitions. [2023-11-29 02:59:44,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 560.1666666666666) internal successors, (3361), 6 states have internal predecessors, (3361), 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 02:59:44,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:59:44,132 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 607.0) internal successors, (4249), 7 states have internal predecessors, (4249), 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 02:59:44,132 INFO L175 Difference]: Start difference. First operand has 557 places, 559 transitions, 1584 flow. Second operand 6 states and 3361 transitions. [2023-11-29 02:59:44,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 558 transitions, 1630 flow [2023-11-29 02:59:44,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 558 transitions, 1624 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:59:44,140 INFO L231 Difference]: Finished difference. Result has 559 places, 0 transitions, 0 flow [2023-11-29 02:59:44,140 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=1576, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=559, PETRI_TRANSITIONS=0} [2023-11-29 02:59:44,141 INFO L281 CegarLoopForPetriNet]: 556 programPoint places, 3 predicate places. [2023-11-29 02:59:44,141 INFO L495 AbstractCegarLoop]: Abstraction has has 559 places, 0 transitions, 0 flow [2023-11-29 02:59:44,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 560.0) internal successors, (3360), 6 states have internal predecessors, (3360), 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 02:59:44,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (83 of 84 remaining) [2023-11-29 02:59:44,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (82 of 84 remaining) [2023-11-29 02:59:44,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (81 of 84 remaining) [2023-11-29 02:59:44,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (80 of 84 remaining) [2023-11-29 02:59:44,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (79 of 84 remaining) [2023-11-29 02:59:44,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (78 of 84 remaining) [2023-11-29 02:59:44,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (77 of 84 remaining) [2023-11-29 02:59:44,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (76 of 84 remaining) [2023-11-29 02:59:44,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (75 of 84 remaining) [2023-11-29 02:59:44,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (74 of 84 remaining) [2023-11-29 02:59:44,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (73 of 84 remaining) [2023-11-29 02:59:44,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (72 of 84 remaining) [2023-11-29 02:59:44,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (71 of 84 remaining) [2023-11-29 02:59:44,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (70 of 84 remaining) [2023-11-29 02:59:44,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (69 of 84 remaining) [2023-11-29 02:59:44,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (68 of 84 remaining) [2023-11-29 02:59:44,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (67 of 84 remaining) [2023-11-29 02:59:44,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (66 of 84 remaining) [2023-11-29 02:59:44,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 84 remaining) [2023-11-29 02:59:44,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (64 of 84 remaining) [2023-11-29 02:59:44,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (63 of 84 remaining) [2023-11-29 02:59:44,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 84 remaining) [2023-11-29 02:59:44,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (61 of 84 remaining) [2023-11-29 02:59:44,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (60 of 84 remaining) [2023-11-29 02:59:44,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (59 of 84 remaining) [2023-11-29 02:59:44,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (58 of 84 remaining) [2023-11-29 02:59:44,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (57 of 84 remaining) [2023-11-29 02:59:44,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (56 of 84 remaining) [2023-11-29 02:59:44,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (55 of 84 remaining) [2023-11-29 02:59:44,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (54 of 84 remaining) [2023-11-29 02:59:44,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (53 of 84 remaining) [2023-11-29 02:59:44,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (52 of 84 remaining) [2023-11-29 02:59:44,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (51 of 84 remaining) [2023-11-29 02:59:44,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 84 remaining) [2023-11-29 02:59:44,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (49 of 84 remaining) [2023-11-29 02:59:44,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (48 of 84 remaining) [2023-11-29 02:59:44,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (47 of 84 remaining) [2023-11-29 02:59:44,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (46 of 84 remaining) [2023-11-29 02:59:44,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (45 of 84 remaining) [2023-11-29 02:59:44,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (44 of 84 remaining) [2023-11-29 02:59:44,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (43 of 84 remaining) [2023-11-29 02:59:44,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (42 of 84 remaining) [2023-11-29 02:59:44,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (41 of 84 remaining) [2023-11-29 02:59:44,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (40 of 84 remaining) [2023-11-29 02:59:44,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (39 of 84 remaining) [2023-11-29 02:59:44,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (38 of 84 remaining) [2023-11-29 02:59:44,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (37 of 84 remaining) [2023-11-29 02:59:44,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (36 of 84 remaining) [2023-11-29 02:59:44,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 84 remaining) [2023-11-29 02:59:44,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 84 remaining) [2023-11-29 02:59:44,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 84 remaining) [2023-11-29 02:59:44,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 84 remaining) [2023-11-29 02:59:44,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 84 remaining) [2023-11-29 02:59:44,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 84 remaining) [2023-11-29 02:59:44,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 84 remaining) [2023-11-29 02:59:44,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 84 remaining) [2023-11-29 02:59:44,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 84 remaining) [2023-11-29 02:59:44,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 84 remaining) [2023-11-29 02:59:44,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 84 remaining) [2023-11-29 02:59:44,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 84 remaining) [2023-11-29 02:59:44,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 84 remaining) [2023-11-29 02:59:44,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 84 remaining) [2023-11-29 02:59:44,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 84 remaining) [2023-11-29 02:59:44,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 84 remaining) [2023-11-29 02:59:44,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 84 remaining) [2023-11-29 02:59:44,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 84 remaining) [2023-11-29 02:59:44,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 84 remaining) [2023-11-29 02:59:44,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 84 remaining) [2023-11-29 02:59:44,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 84 remaining) [2023-11-29 02:59:44,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 84 remaining) [2023-11-29 02:59:44,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 84 remaining) [2023-11-29 02:59:44,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 84 remaining) [2023-11-29 02:59:44,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 84 remaining) [2023-11-29 02:59:44,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 84 remaining) [2023-11-29 02:59:44,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 84 remaining) [2023-11-29 02:59:44,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 84 remaining) [2023-11-29 02:59:44,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 84 remaining) [2023-11-29 02:59:44,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 84 remaining) [2023-11-29 02:59:44,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 84 remaining) [2023-11-29 02:59:44,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 84 remaining) [2023-11-29 02:59:44,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 84 remaining) [2023-11-29 02:59:44,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 84 remaining) [2023-11-29 02:59:44,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 84 remaining) [2023-11-29 02:59:44,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 84 remaining) [2023-11-29 02:59:44,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 02:59:44,153 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:59:44,160 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 02:59:44,160 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:59:44,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:59:44 BasicIcfg [2023-11-29 02:59:44,165 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:59:44,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:59:44,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:59:44,166 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:59:44,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:58:09" (3/4) ... [2023-11-29 02:59:44,168 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:59:44,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 02:59:44,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 02:59:44,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 02:59:44,180 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-29 02:59:44,181 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 02:59:44,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:59:44,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:59:44,273 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:59:44,274 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:59:44,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:59:44,275 INFO L158 Benchmark]: Toolchain (without parser) took 95992.81ms. Allocated memory was 169.9MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 129.6MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2023-11-29 02:59:44,275 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 169.9MB. Free memory was 114.3MB in the beginning and 114.1MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:59:44,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.76ms. Allocated memory is still 169.9MB. Free memory was 129.1MB in the beginning and 116.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:59:44,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.19ms. Allocated memory is still 169.9MB. Free memory was 115.7MB in the beginning and 111.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:59:44,276 INFO L158 Benchmark]: Boogie Preprocessor took 61.02ms. Allocated memory is still 169.9MB. Free memory was 111.9MB in the beginning and 108.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:59:44,277 INFO L158 Benchmark]: RCFGBuilder took 891.88ms. Allocated memory was 169.9MB in the beginning and 218.1MB in the end (delta: 48.2MB). Free memory was 108.2MB in the beginning and 181.1MB in the end (delta: -73.0MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2023-11-29 02:59:44,277 INFO L158 Benchmark]: TraceAbstraction took 94553.37ms. Allocated memory was 218.1MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 180.1MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2023-11-29 02:59:44,278 INFO L158 Benchmark]: Witness Printer took 109.05ms. Allocated memory is still 5.0GB. Free memory was 3.0GB in the beginning and 3.0GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 02:59:44,280 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 169.9MB. Free memory was 114.3MB in the beginning and 114.1MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.76ms. Allocated memory is still 169.9MB. Free memory was 129.1MB in the beginning and 116.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.19ms. Allocated memory is still 169.9MB. Free memory was 115.7MB in the beginning and 111.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.02ms. Allocated memory is still 169.9MB. Free memory was 111.9MB in the beginning and 108.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 891.88ms. Allocated memory was 169.9MB in the beginning and 218.1MB in the end (delta: 48.2MB). Free memory was 108.2MB in the beginning and 181.1MB in the end (delta: -73.0MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * TraceAbstraction took 94553.37ms. Allocated memory was 218.1MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 180.1MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Witness Printer took 109.05ms. Allocated memory is still 5.0GB. Free memory was 3.0GB in the beginning and 3.0GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 875 locations, 84 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: 94.3s, OverallIterations: 40, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 79.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5259 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3220 mSDsluCounter, 1732 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1260 mSDsCounter, 1406 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9288 IncrementalHoareTripleChecker+Invalid, 10694 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1406 mSolverCounterUnsat, 472 mSDtfsCounter, 9288 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1484 GetRequests, 1336 SyntacticMatches, 5 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1624occurred in iteration=20, InterpolantAutomatonStates: 181, 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: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 12749 NumberOfCodeBlocks, 12614 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 13213 ConstructedInterpolants, 0 QuantifiedInterpolants, 16323 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1615 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 45 InterpolantComputations, 38 PerfectInterpolantSequences, 10554/10749 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 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 02:59:44,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cedb9e0-3d98-430e-951d-2139c11d9538/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE