./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/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_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/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_4e773749-b6db-49df-a5fc-9240e924df2a/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 0bf2f5f336333cdf96c271b32cdeb9b70ee932e1c07acf27a63b4425ec902f3e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:20:41,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:20:41,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 03:20:41,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:20:41,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:20:41,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:20:41,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:20:41,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:20:41,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:20:41,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:20:41,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:20:41,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:20:41,435 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:20:41,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:20:41,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:20:41,437 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:20:41,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:20:41,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:20:41,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:20:41,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:20:41,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:20:41,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:20:41,441 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 03:20:41,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:20:41,442 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:20:41,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:20:41,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:20:41,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:20:41,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:20:41,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:20:41,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:20:41,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:20:41,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:20:41,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:20:41,446 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:20:41,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:20:41,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:20:41,447 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:20:41,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:20:41,448 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:20:41,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:20:41,449 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_4e773749-b6db-49df-a5fc-9240e924df2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bf2f5f336333cdf96c271b32cdeb9b70ee932e1c07acf27a63b4425ec902f3e [2023-11-29 03:20:41,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:20:41,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:20:41,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:20:41,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:20:41,699 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:20:41,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i [2023-11-29 03:20:44,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:20:44,809 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:20:44,809 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/sv-benchmarks/c/goblint-regression/04-mutex_36-trylock_nr.i [2023-11-29 03:20:44,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/data/00ab82612/f28e35519a5549499282a1f49f4613ec/FLAGbbdb9fb14 [2023-11-29 03:20:44,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/data/00ab82612/f28e35519a5549499282a1f49f4613ec [2023-11-29 03:20:44,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:20:44,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:20:44,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:20:44,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:20:44,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:20:44,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:20:44" (1/1) ... [2023-11-29 03:20:44,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e28e71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:44, skipping insertion in model container [2023-11-29 03:20:44,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:20:44" (1/1) ... [2023-11-29 03:20:44,918 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:20:45,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:20:45,728 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:20:45,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:20:45,948 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:20:45,949 WARN L675 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:20:45,949 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:20:45,949 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:20:45,957 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:20:45,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45 WrapperNode [2023-11-29 03:20:45,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:20:45,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:20:45,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:20:45,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:20:45,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45" (1/1) ... [2023-11-29 03:20:45,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45" (1/1) ... [2023-11-29 03:20:46,028 INFO L138 Inliner]: procedures = 525, calls = 71, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 159 [2023-11-29 03:20:46,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:20:46,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:20:46,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:20:46,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:20:46,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45" (1/1) ... [2023-11-29 03:20:46,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45" (1/1) ... [2023-11-29 03:20:46,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45" (1/1) ... [2023-11-29 03:20:46,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45" (1/1) ... [2023-11-29 03:20:46,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45" (1/1) ... [2023-11-29 03:20:46,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45" (1/1) ... [2023-11-29 03:20:46,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45" (1/1) ... [2023-11-29 03:20:46,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45" (1/1) ... [2023-11-29 03:20:46,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:20:46,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:20:46,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:20:46,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:20:46,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45" (1/1) ... [2023-11-29 03:20:46,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:20:46,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:20:46,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:20:46,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:20:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2023-11-29 03:20:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2023-11-29 03:20:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-11-29 03:20:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2023-11-29 03:20:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2023-11-29 03:20:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-29 03:20:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:20:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 03:20:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 03:20:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:20:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:20:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:20:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-29 03:20:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:20:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2023-11-29 03:20:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 03:20:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 03:20:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 03:20:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 03:20:46,157 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 03:20:46,421 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:20:46,423 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:20:46,767 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:20:46,795 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:20:46,796 INFO L309 CfgBuilder]: Removed 19 assume(true) statements. [2023-11-29 03:20:46,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:20:46 BoogieIcfgContainer [2023-11-29 03:20:46,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:20:46,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:20:46,801 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:20:46,805 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:20:46,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:20:44" (1/3) ... [2023-11-29 03:20:46,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705b0a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:20:46, skipping insertion in model container [2023-11-29 03:20:46,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:20:45" (2/3) ... [2023-11-29 03:20:46,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705b0a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:20:46, skipping insertion in model container [2023-11-29 03:20:46,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:20:46" (3/3) ... [2023-11-29 03:20:46,808 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr.i [2023-11-29 03:20:46,817 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 03:20:46,825 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:20:46,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-29 03:20:46,825 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 03:20:46,912 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 03:20:46,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 281 places, 306 transitions, 626 flow [2023-11-29 03:20:47,065 INFO L124 PetriNetUnfolderBase]: 32/304 cut-off events. [2023-11-29 03:20:47,065 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 03:20:47,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 304 events. 32/304 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 780 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 191. Up to 5 conditions per place. [2023-11-29 03:20:47,075 INFO L82 GeneralOperation]: Start removeDead. Operand has 281 places, 306 transitions, 626 flow [2023-11-29 03:20:47,084 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 264 places, 286 transitions, 584 flow [2023-11-29 03:20:47,095 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:20:47,102 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;@3e646093, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:20:47,102 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-11-29 03:20:47,113 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 03:20:47,113 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2023-11-29 03:20:47,113 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:20:47,113 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:20:47,114 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] [2023-11-29 03:20:47,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 03:20:47,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:47,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1214471399, now seen corresponding path program 1 times [2023-11-29 03:20:47,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:47,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953656765] [2023-11-29 03:20:47,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:47,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:20:47,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:47,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953656765] [2023-11-29 03:20:47,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953656765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:47,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:47,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:20:47,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045659462] [2023-11-29 03:20:47,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:47,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:20:47,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:47,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:20:47,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:20:47,567 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 306 [2023-11-29 03:20:47,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 286 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:47,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:20:47,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 306 [2023-11-29 03:20:47,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:20:47,707 INFO L124 PetriNetUnfolderBase]: 27/577 cut-off events. [2023-11-29 03:20:47,707 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-29 03:20:47,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 645 conditions, 577 events. 27/577 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3018 event pairs, 15 based on Foata normal form. 97/601 useless extension candidates. Maximal degree in co-relation 466. Up to 48 conditions per place. [2023-11-29 03:20:47,717 INFO L140 encePairwiseOnDemand]: 285/306 looper letters, 13 selfloop transitions, 2 changer transitions 8/252 dead transitions. [2023-11-29 03:20:47,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 252 transitions, 546 flow [2023-11-29 03:20:47,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:20:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:20:47,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 820 transitions. [2023-11-29 03:20:47,734 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8932461873638344 [2023-11-29 03:20:47,735 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 820 transitions. [2023-11-29 03:20:47,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 820 transitions. [2023-11-29 03:20:47,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:20:47,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 820 transitions. [2023-11-29 03:20:47,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 273.3333333333333) internal successors, (820), 3 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:47,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 306.0) internal successors, (1224), 4 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:47,756 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 306.0) internal successors, (1224), 4 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:47,757 INFO L175 Difference]: Start difference. First operand has 264 places, 286 transitions, 584 flow. Second operand 3 states and 820 transitions. [2023-11-29 03:20:47,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 252 transitions, 546 flow [2023-11-29 03:20:47,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 252 transitions, 538 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 03:20:47,768 INFO L231 Difference]: Finished difference. Result has 253 places, 244 transitions, 496 flow [2023-11-29 03:20:47,770 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=253, PETRI_TRANSITIONS=244} [2023-11-29 03:20:47,773 INFO L281 CegarLoopForPetriNet]: 264 programPoint places, -11 predicate places. [2023-11-29 03:20:47,773 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 244 transitions, 496 flow [2023-11-29 03:20:47,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:47,774 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:20:47,775 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:20:47,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:20:47,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 03:20:47,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:47,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1603342850, now seen corresponding path program 1 times [2023-11-29 03:20:47,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:47,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409358756] [2023-11-29 03:20:47,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:47,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:20:47,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:47,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409358756] [2023-11-29 03:20:47,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409358756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:47,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:47,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:20:47,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318644119] [2023-11-29 03:20:47,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:47,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:20:47,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:47,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:20:47,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:20:47,906 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 306 [2023-11-29 03:20:47,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 244 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:47,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:20:47,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 306 [2023-11-29 03:20:47,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:20:48,201 INFO L124 PetriNetUnfolderBase]: 248/1458 cut-off events. [2023-11-29 03:20:48,201 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-29 03:20:48,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1902 conditions, 1458 events. 248/1458 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 11561 event pairs, 96 based on Foata normal form. 1/1397 useless extension candidates. Maximal degree in co-relation 1845. Up to 407 conditions per place. [2023-11-29 03:20:48,213 INFO L140 encePairwiseOnDemand]: 290/306 looper letters, 25 selfloop transitions, 7 changer transitions 7/249 dead transitions. [2023-11-29 03:20:48,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 249 transitions, 580 flow [2023-11-29 03:20:48,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:20:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:20:48,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 785 transitions. [2023-11-29 03:20:48,217 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.855119825708061 [2023-11-29 03:20:48,217 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 785 transitions. [2023-11-29 03:20:48,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 785 transitions. [2023-11-29 03:20:48,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:20:48,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 785 transitions. [2023-11-29 03:20:48,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:48,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 306.0) internal successors, (1224), 4 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:48,225 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 306.0) internal successors, (1224), 4 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:48,226 INFO L175 Difference]: Start difference. First operand has 253 places, 244 transitions, 496 flow. Second operand 3 states and 785 transitions. [2023-11-29 03:20:48,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 249 transitions, 580 flow [2023-11-29 03:20:48,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 249 transitions, 576 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:20:48,233 INFO L231 Difference]: Finished difference. Result has 238 places, 236 transitions, 506 flow [2023-11-29 03:20:48,234 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=238, PETRI_TRANSITIONS=236} [2023-11-29 03:20:48,235 INFO L281 CegarLoopForPetriNet]: 264 programPoint places, -26 predicate places. [2023-11-29 03:20:48,235 INFO L495 AbstractCegarLoop]: Abstraction has has 238 places, 236 transitions, 506 flow [2023-11-29 03:20:48,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:48,236 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:20:48,236 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] [2023-11-29 03:20:48,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:20:48,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting counter_threadErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 03:20:48,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:48,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1902895317, now seen corresponding path program 1 times [2023-11-29 03:20:48,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:48,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004704136] [2023-11-29 03:20:48,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:48,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:48,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:20:48,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:48,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004704136] [2023-11-29 03:20:48,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004704136] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:48,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:48,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:20:48,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868634973] [2023-11-29 03:20:48,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:48,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:20:48,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:48,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:20:48,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:20:48,359 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 306 [2023-11-29 03:20:48,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 236 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:48,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:20:48,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 306 [2023-11-29 03:20:48,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:20:48,531 INFO L124 PetriNetUnfolderBase]: 71/909 cut-off events. [2023-11-29 03:20:48,531 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 03:20:48,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 909 events. 71/909 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6136 event pairs, 20 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 529. Up to 74 conditions per place. [2023-11-29 03:20:48,540 INFO L140 encePairwiseOnDemand]: 302/306 looper letters, 13 selfloop transitions, 2 changer transitions 0/237 dead transitions. [2023-11-29 03:20:48,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 237 transitions, 539 flow [2023-11-29 03:20:48,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:20:48,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:20:48,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2023-11-29 03:20:48,544 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8812636165577342 [2023-11-29 03:20:48,545 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2023-11-29 03:20:48,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2023-11-29 03:20:48,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:20:48,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2023-11-29 03:20:48,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:48,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 306.0) internal successors, (1224), 4 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:48,553 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 306.0) internal successors, (1224), 4 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:48,553 INFO L175 Difference]: Start difference. First operand has 238 places, 236 transitions, 506 flow. Second operand 3 states and 809 transitions. [2023-11-29 03:20:48,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 237 transitions, 539 flow [2023-11-29 03:20:48,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 237 transitions, 539 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:20:48,560 INFO L231 Difference]: Finished difference. Result has 234 places, 236 transitions, 516 flow [2023-11-29 03:20:48,561 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=234, PETRI_TRANSITIONS=236} [2023-11-29 03:20:48,562 INFO L281 CegarLoopForPetriNet]: 264 programPoint places, -30 predicate places. [2023-11-29 03:20:48,562 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 236 transitions, 516 flow [2023-11-29 03:20:48,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:48,563 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:20:48,563 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] [2023-11-29 03:20:48,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:20:48,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 03:20:48,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:48,564 INFO L85 PathProgramCache]: Analyzing trace with hash -280168991, now seen corresponding path program 1 times [2023-11-29 03:20:48,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:48,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359625587] [2023-11-29 03:20:48,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:48,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:48,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:20:48,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:48,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359625587] [2023-11-29 03:20:48,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359625587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:48,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:48,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:20:48,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326260966] [2023-11-29 03:20:48,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:48,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:20:48,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:48,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:20:48,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:20:48,701 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 306 [2023-11-29 03:20:48,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 236 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:48,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:20:48,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 306 [2023-11-29 03:20:48,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:20:49,030 INFO L124 PetriNetUnfolderBase]: 126/1569 cut-off events. [2023-11-29 03:20:49,030 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-29 03:20:49,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1902 conditions, 1569 events. 126/1569 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 11661 event pairs, 21 based on Foata normal form. 0/1458 useless extension candidates. Maximal degree in co-relation 1692. Up to 133 conditions per place. [2023-11-29 03:20:49,046 INFO L140 encePairwiseOnDemand]: 300/306 looper letters, 18 selfloop transitions, 4 changer transitions 0/244 dead transitions. [2023-11-29 03:20:49,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 244 transitions, 578 flow [2023-11-29 03:20:49,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:20:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:20:49,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 816 transitions. [2023-11-29 03:20:49,050 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2023-11-29 03:20:49,050 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 816 transitions. [2023-11-29 03:20:49,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 816 transitions. [2023-11-29 03:20:49,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:20:49,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 816 transitions. [2023-11-29 03:20:49,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 272.0) internal successors, (816), 3 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:49,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 306.0) internal successors, (1224), 4 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:49,058 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 306.0) internal successors, (1224), 4 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:49,058 INFO L175 Difference]: Start difference. First operand has 234 places, 236 transitions, 516 flow. Second operand 3 states and 816 transitions. [2023-11-29 03:20:49,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 244 transitions, 578 flow [2023-11-29 03:20:49,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 244 transitions, 578 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:20:49,065 INFO L231 Difference]: Finished difference. Result has 237 places, 238 transitions, 544 flow [2023-11-29 03:20:49,066 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=237, PETRI_TRANSITIONS=238} [2023-11-29 03:20:49,067 INFO L281 CegarLoopForPetriNet]: 264 programPoint places, -27 predicate places. [2023-11-29 03:20:49,067 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 238 transitions, 544 flow [2023-11-29 03:20:49,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:49,068 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:20:49,068 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] [2023-11-29 03:20:49,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:20:49,068 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 03:20:49,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:49,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1188805829, now seen corresponding path program 1 times [2023-11-29 03:20:49,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:49,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249845918] [2023-11-29 03:20:49,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:49,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:49,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:20:49,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:49,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249845918] [2023-11-29 03:20:49,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249845918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:49,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:49,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:20:49,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825027080] [2023-11-29 03:20:49,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:49,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:20:49,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:49,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:20:49,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:20:49,756 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 306 [2023-11-29 03:20:49,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 238 transitions, 544 flow. Second operand has 6 states, 6 states have (on average 261.5) internal successors, (1569), 6 states have internal predecessors, (1569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:49,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:20:49,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 306 [2023-11-29 03:20:49,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:20:50,082 INFO L124 PetriNetUnfolderBase]: 303/2215 cut-off events. [2023-11-29 03:20:50,082 INFO L125 PetriNetUnfolderBase]: For 29/60 co-relation queries the response was YES. [2023-11-29 03:20:50,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2912 conditions, 2215 events. 303/2215 cut-off events. For 29/60 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 18709 event pairs, 18 based on Foata normal form. 8/2055 useless extension candidates. Maximal degree in co-relation 2535. Up to 157 conditions per place. [2023-11-29 03:20:50,097 INFO L140 encePairwiseOnDemand]: 301/306 looper letters, 26 selfloop transitions, 4 changer transitions 0/253 dead transitions. [2023-11-29 03:20:50,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 253 transitions, 634 flow [2023-11-29 03:20:50,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:20:50,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:20:50,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1591 transitions. [2023-11-29 03:20:50,102 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.866557734204793 [2023-11-29 03:20:50,102 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1591 transitions. [2023-11-29 03:20:50,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1591 transitions. [2023-11-29 03:20:50,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:20:50,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1591 transitions. [2023-11-29 03:20:50,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 265.1666666666667) internal successors, (1591), 6 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:50,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 306.0) internal successors, (2142), 7 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:50,112 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 306.0) internal successors, (2142), 7 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:50,112 INFO L175 Difference]: Start difference. First operand has 237 places, 238 transitions, 544 flow. Second operand 6 states and 1591 transitions. [2023-11-29 03:20:50,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 253 transitions, 634 flow [2023-11-29 03:20:50,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 253 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:20:50,118 INFO L231 Difference]: Finished difference. Result has 239 places, 237 transitions, 542 flow [2023-11-29 03:20:50,118 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=542, PETRI_PLACES=239, PETRI_TRANSITIONS=237} [2023-11-29 03:20:50,119 INFO L281 CegarLoopForPetriNet]: 264 programPoint places, -25 predicate places. [2023-11-29 03:20:50,119 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 237 transitions, 542 flow [2023-11-29 03:20:50,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 261.5) internal successors, (1569), 6 states have internal predecessors, (1569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:50,120 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:20:50,121 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] [2023-11-29 03:20:50,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:20:50,121 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 03:20:50,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:50,121 INFO L85 PathProgramCache]: Analyzing trace with hash -2048123552, now seen corresponding path program 1 times [2023-11-29 03:20:50,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:50,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131789231] [2023-11-29 03:20:50,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:50,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:20:50,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:50,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131789231] [2023-11-29 03:20:50,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131789231] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:50,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:50,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:20:50,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147087579] [2023-11-29 03:20:50,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:50,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:20:50,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:50,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:20:50,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:20:50,203 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 306 [2023-11-29 03:20:50,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 237 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:50,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:20:50,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 306 [2023-11-29 03:20:50,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:20:50,448 INFO L124 PetriNetUnfolderBase]: 165/1882 cut-off events. [2023-11-29 03:20:50,449 INFO L125 PetriNetUnfolderBase]: For 49/53 co-relation queries the response was YES. [2023-11-29 03:20:50,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2373 conditions, 1882 events. 165/1882 cut-off events. For 49/53 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 14847 event pairs, 37 based on Foata normal form. 1/1760 useless extension candidates. Maximal degree in co-relation 2159. Up to 159 conditions per place. [2023-11-29 03:20:50,464 INFO L140 encePairwiseOnDemand]: 301/306 looper letters, 18 selfloop transitions, 5 changer transitions 0/244 dead transitions. [2023-11-29 03:20:50,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 244 transitions, 607 flow [2023-11-29 03:20:50,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:20:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:20:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 813 transitions. [2023-11-29 03:20:50,468 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8856209150326797 [2023-11-29 03:20:50,468 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 813 transitions. [2023-11-29 03:20:50,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 813 transitions. [2023-11-29 03:20:50,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:20:50,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 813 transitions. [2023-11-29 03:20:50,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:50,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 306.0) internal successors, (1224), 4 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:50,474 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 306.0) internal successors, (1224), 4 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:50,475 INFO L175 Difference]: Start difference. First operand has 239 places, 237 transitions, 542 flow. Second operand 3 states and 813 transitions. [2023-11-29 03:20:50,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 244 transitions, 607 flow [2023-11-29 03:20:50,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 244 transitions, 600 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 03:20:50,481 INFO L231 Difference]: Finished difference. Result has 239 places, 241 transitions, 577 flow [2023-11-29 03:20:50,482 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=239, PETRI_TRANSITIONS=241} [2023-11-29 03:20:50,483 INFO L281 CegarLoopForPetriNet]: 264 programPoint places, -25 predicate places. [2023-11-29 03:20:50,483 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 241 transitions, 577 flow [2023-11-29 03:20:50,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:50,484 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:20:50,484 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] [2023-11-29 03:20:50,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:20:50,484 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 03:20:50,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:50,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1775928575, now seen corresponding path program 1 times [2023-11-29 03:20:50,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:50,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247458562] [2023-11-29 03:20:50,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:50,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:20:51,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:51,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247458562] [2023-11-29 03:20:51,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247458562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:51,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:51,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:20:51,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052553733] [2023-11-29 03:20:51,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:51,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:20:51,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:51,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:20:51,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:20:51,290 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 306 [2023-11-29 03:20:51,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 241 transitions, 577 flow. Second operand has 6 states, 6 states have (on average 261.6666666666667) internal successors, (1570), 6 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:51,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:20:51,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 306 [2023-11-29 03:20:51,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:20:51,584 INFO L124 PetriNetUnfolderBase]: 152/1672 cut-off events. [2023-11-29 03:20:51,585 INFO L125 PetriNetUnfolderBase]: For 56/64 co-relation queries the response was YES. [2023-11-29 03:20:51,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2128 conditions, 1672 events. 152/1672 cut-off events. For 56/64 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12794 event pairs, 22 based on Foata normal form. 2/1572 useless extension candidates. Maximal degree in co-relation 1911. Up to 147 conditions per place. [2023-11-29 03:20:51,602 INFO L140 encePairwiseOnDemand]: 301/306 looper letters, 18 selfloop transitions, 4 changer transitions 0/248 dead transitions. [2023-11-29 03:20:51,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 248 transitions, 635 flow [2023-11-29 03:20:51,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:20:51,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:20:51,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1583 transitions. [2023-11-29 03:20:51,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8622004357298475 [2023-11-29 03:20:51,609 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1583 transitions. [2023-11-29 03:20:51,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1583 transitions. [2023-11-29 03:20:51,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:20:51,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1583 transitions. [2023-11-29 03:20:51,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 263.8333333333333) internal successors, (1583), 6 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:51,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 306.0) internal successors, (2142), 7 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:51,622 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 306.0) internal successors, (2142), 7 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:51,622 INFO L175 Difference]: Start difference. First operand has 239 places, 241 transitions, 577 flow. Second operand 6 states and 1583 transitions. [2023-11-29 03:20:51,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 248 transitions, 635 flow [2023-11-29 03:20:51,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 248 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:20:51,630 INFO L231 Difference]: Finished difference. Result has 241 places, 240 transitions, 573 flow [2023-11-29 03:20:51,631 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=573, PETRI_PLACES=241, PETRI_TRANSITIONS=240} [2023-11-29 03:20:51,631 INFO L281 CegarLoopForPetriNet]: 264 programPoint places, -23 predicate places. [2023-11-29 03:20:51,632 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 240 transitions, 573 flow [2023-11-29 03:20:51,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 261.6666666666667) internal successors, (1570), 6 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:51,633 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:20:51,633 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] [2023-11-29 03:20:51,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:20:51,634 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 03:20:51,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:51,634 INFO L85 PathProgramCache]: Analyzing trace with hash 749780478, now seen corresponding path program 1 times [2023-11-29 03:20:51,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:51,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765352504] [2023-11-29 03:20:51,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:51,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:20:51,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:51,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765352504] [2023-11-29 03:20:51,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765352504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:51,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:51,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:20:51,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383470001] [2023-11-29 03:20:51,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:51,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:20:51,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:51,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:20:51,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:20:52,030 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 306 [2023-11-29 03:20:52,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 240 transitions, 573 flow. Second operand has 5 states, 5 states have (on average 262.8) internal successors, (1314), 5 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:52,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:20:52,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 306 [2023-11-29 03:20:52,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:20:52,654 INFO L124 PetriNetUnfolderBase]: 316/3263 cut-off events. [2023-11-29 03:20:52,654 INFO L125 PetriNetUnfolderBase]: For 74/82 co-relation queries the response was YES. [2023-11-29 03:20:52,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4266 conditions, 3263 events. 316/3263 cut-off events. For 74/82 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 31097 event pairs, 43 based on Foata normal form. 2/3084 useless extension candidates. Maximal degree in co-relation 4160. Up to 259 conditions per place. [2023-11-29 03:20:52,683 INFO L140 encePairwiseOnDemand]: 296/306 looper letters, 28 selfloop transitions, 23 changer transitions 3/277 dead transitions. [2023-11-29 03:20:52,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 277 transitions, 759 flow [2023-11-29 03:20:52,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:20:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-29 03:20:52,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2405 transitions. [2023-11-29 03:20:52,691 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8732752360203341 [2023-11-29 03:20:52,691 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2405 transitions. [2023-11-29 03:20:52,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2405 transitions. [2023-11-29 03:20:52,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:20:52,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2405 transitions. [2023-11-29 03:20:52,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 267.22222222222223) internal successors, (2405), 9 states have internal predecessors, (2405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:52,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 306.0) internal successors, (3060), 10 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:52,709 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 306.0) internal successors, (3060), 10 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:52,709 INFO L175 Difference]: Start difference. First operand has 241 places, 240 transitions, 573 flow. Second operand 9 states and 2405 transitions. [2023-11-29 03:20:52,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 277 transitions, 759 flow [2023-11-29 03:20:52,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 277 transitions, 752 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 03:20:52,717 INFO L231 Difference]: Finished difference. Result has 253 places, 262 transitions, 736 flow [2023-11-29 03:20:52,718 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=736, PETRI_PLACES=253, PETRI_TRANSITIONS=262} [2023-11-29 03:20:52,718 INFO L281 CegarLoopForPetriNet]: 264 programPoint places, -11 predicate places. [2023-11-29 03:20:52,719 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 262 transitions, 736 flow [2023-11-29 03:20:52,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 262.8) internal successors, (1314), 5 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:52,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:20:52,720 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] [2023-11-29 03:20:52,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:20:52,720 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 03:20:52,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:52,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1513418163, now seen corresponding path program 1 times [2023-11-29 03:20:52,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:52,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108822542] [2023-11-29 03:20:52,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:52,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:52,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:20:52,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:52,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108822542] [2023-11-29 03:20:52,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108822542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:52,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:52,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:20:52,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370341978] [2023-11-29 03:20:52,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:52,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:20:52,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:52,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:20:52,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:20:53,003 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 306 [2023-11-29 03:20:53,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 262 transitions, 736 flow. Second operand has 5 states, 5 states have (on average 262.8) internal successors, (1314), 5 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:53,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:20:53,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 306 [2023-11-29 03:20:53,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:20:53,733 INFO L124 PetriNetUnfolderBase]: 377/4128 cut-off events. [2023-11-29 03:20:53,733 INFO L125 PetriNetUnfolderBase]: For 963/1055 co-relation queries the response was YES. [2023-11-29 03:20:53,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6042 conditions, 4128 events. 377/4128 cut-off events. For 963/1055 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 42359 event pairs, 37 based on Foata normal form. 26/3952 useless extension candidates. Maximal degree in co-relation 5731. Up to 329 conditions per place. [2023-11-29 03:20:53,776 INFO L140 encePairwiseOnDemand]: 296/306 looper letters, 36 selfloop transitions, 33 changer transitions 3/295 dead transitions. [2023-11-29 03:20:53,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 295 transitions, 1047 flow [2023-11-29 03:20:53,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:20:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 03:20:53,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1614 transitions. [2023-11-29 03:20:53,781 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8790849673202614 [2023-11-29 03:20:53,782 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1614 transitions. [2023-11-29 03:20:53,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1614 transitions. [2023-11-29 03:20:53,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:20:53,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1614 transitions. [2023-11-29 03:20:53,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 269.0) internal successors, (1614), 6 states have internal predecessors, (1614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:53,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 306.0) internal successors, (2142), 7 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:53,794 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 306.0) internal successors, (2142), 7 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:53,794 INFO L175 Difference]: Start difference. First operand has 253 places, 262 transitions, 736 flow. Second operand 6 states and 1614 transitions. [2023-11-29 03:20:53,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 295 transitions, 1047 flow [2023-11-29 03:20:53,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 295 transitions, 1047 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:20:53,806 INFO L231 Difference]: Finished difference. Result has 263 places, 283 transitions, 1006 flow [2023-11-29 03:20:53,806 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1006, PETRI_PLACES=263, PETRI_TRANSITIONS=283} [2023-11-29 03:20:53,807 INFO L281 CegarLoopForPetriNet]: 264 programPoint places, -1 predicate places. [2023-11-29 03:20:53,807 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 283 transitions, 1006 flow [2023-11-29 03:20:53,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 262.8) internal successors, (1314), 5 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:53,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:20:53,809 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] [2023-11-29 03:20:53,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:20:53,809 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 03:20:53,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:53,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1892850897, now seen corresponding path program 2 times [2023-11-29 03:20:53,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:53,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778413111] [2023-11-29 03:20:53,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:53,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:53,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:20:53,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:53,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778413111] [2023-11-29 03:20:53,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778413111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:53,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:53,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:20:53,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613331272] [2023-11-29 03:20:53,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:53,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:20:53,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:53,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:20:53,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:20:54,035 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 306 [2023-11-29 03:20:54,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 283 transitions, 1006 flow. Second operand has 5 states, 5 states have (on average 262.8) internal successors, (1314), 5 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:54,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:20:54,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 306 [2023-11-29 03:20:54,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:20:54,874 INFO L124 PetriNetUnfolderBase]: 452/4908 cut-off events. [2023-11-29 03:20:54,874 INFO L125 PetriNetUnfolderBase]: For 3027/3175 co-relation queries the response was YES. [2023-11-29 03:20:54,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7841 conditions, 4908 events. 452/4908 cut-off events. For 3027/3175 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 52416 event pairs, 37 based on Foata normal form. 60/4721 useless extension candidates. Maximal degree in co-relation 7495. Up to 390 conditions per place. [2023-11-29 03:20:54,925 INFO L140 encePairwiseOnDemand]: 293/306 looper letters, 37 selfloop transitions, 68 changer transitions 3/331 dead transitions. [2023-11-29 03:20:54,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 331 transitions, 1574 flow [2023-11-29 03:20:54,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:20:54,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-29 03:20:54,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1890 transitions. [2023-11-29 03:20:54,932 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8823529411764706 [2023-11-29 03:20:54,932 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1890 transitions. [2023-11-29 03:20:54,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1890 transitions. [2023-11-29 03:20:54,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:20:54,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1890 transitions. [2023-11-29 03:20:54,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 270.0) internal successors, (1890), 7 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:54,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 306.0) internal successors, (2448), 8 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:54,946 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 306.0) internal successors, (2448), 8 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:54,947 INFO L175 Difference]: Start difference. First operand has 263 places, 283 transitions, 1006 flow. Second operand 7 states and 1890 transitions. [2023-11-29 03:20:54,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 331 transitions, 1574 flow [2023-11-29 03:20:54,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 331 transitions, 1558 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-11-29 03:20:54,966 INFO L231 Difference]: Finished difference. Result has 275 places, 318 transitions, 1593 flow [2023-11-29 03:20:54,966 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=990, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1593, PETRI_PLACES=275, PETRI_TRANSITIONS=318} [2023-11-29 03:20:54,967 INFO L281 CegarLoopForPetriNet]: 264 programPoint places, 11 predicate places. [2023-11-29 03:20:54,967 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 318 transitions, 1593 flow [2023-11-29 03:20:54,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 262.8) internal successors, (1314), 5 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:54,969 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:20:54,969 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] [2023-11-29 03:20:54,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:20:54,969 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-11-29 03:20:54,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:54,970 INFO L85 PathProgramCache]: Analyzing trace with hash 344259927, now seen corresponding path program 3 times [2023-11-29 03:20:54,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:20:54,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023201146] [2023-11-29 03:20:54,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:54,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:20:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:20:55,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:20:55,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023201146] [2023-11-29 03:20:55,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023201146] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:20:55,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:20:55,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:20:55,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180698070] [2023-11-29 03:20:55,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:20:55,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:20:55,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:20:55,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:20:55,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:20:55,221 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 306 [2023-11-29 03:20:55,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 318 transitions, 1593 flow. Second operand has 5 states, 5 states have (on average 262.8) internal successors, (1314), 5 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:55,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:20:55,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 306 [2023-11-29 03:20:55,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:20:55,837 INFO L124 PetriNetUnfolderBase]: 327/3706 cut-off events. [2023-11-29 03:20:55,838 INFO L125 PetriNetUnfolderBase]: For 4508/4724 co-relation queries the response was YES. [2023-11-29 03:20:55,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6305 conditions, 3706 events. 327/3706 cut-off events. For 4508/4724 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 36823 event pairs, 33 based on Foata normal form. 75/3598 useless extension candidates. Maximal degree in co-relation 5932. Up to 298 conditions per place. [2023-11-29 03:20:55,863 INFO L140 encePairwiseOnDemand]: 296/306 looper letters, 0 selfloop transitions, 0 changer transitions 319/319 dead transitions. [2023-11-29 03:20:55,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 319 transitions, 1836 flow [2023-11-29 03:20:55,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:20:55,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-29 03:20:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1883 transitions. [2023-11-29 03:20:55,870 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8790849673202614 [2023-11-29 03:20:55,870 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1883 transitions. [2023-11-29 03:20:55,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1883 transitions. [2023-11-29 03:20:55,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:20:55,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1883 transitions. [2023-11-29 03:20:55,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 269.0) internal successors, (1883), 7 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:55,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 306.0) internal successors, (2448), 8 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:55,883 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 306.0) internal successors, (2448), 8 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:55,883 INFO L175 Difference]: Start difference. First operand has 275 places, 318 transitions, 1593 flow. Second operand 7 states and 1883 transitions. [2023-11-29 03:20:55,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 319 transitions, 1836 flow [2023-11-29 03:20:55,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 319 transitions, 1692 flow, removed 25 selfloop flow, removed 5 redundant places. [2023-11-29 03:20:55,915 INFO L231 Difference]: Finished difference. Result has 274 places, 0 transitions, 0 flow [2023-11-29 03:20:55,915 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=1317, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=274, PETRI_TRANSITIONS=0} [2023-11-29 03:20:55,916 INFO L281 CegarLoopForPetriNet]: 264 programPoint places, 10 predicate places. [2023-11-29 03:20:55,916 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 0 transitions, 0 flow [2023-11-29 03:20:55,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 262.8) internal successors, (1314), 5 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:20:55,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2023-11-29 03:20:55,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2023-11-29 03:20:55,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2023-11-29 03:20:55,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2023-11-29 03:20:55,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2023-11-29 03:20:55,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2023-11-29 03:20:55,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2023-11-29 03:20:55,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2023-11-29 03:20:55,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2023-11-29 03:20:55,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2023-11-29 03:20:55,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2023-11-29 03:20:55,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2023-11-29 03:20:55,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2023-11-29 03:20:55,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2023-11-29 03:20:55,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2023-11-29 03:20:55,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2023-11-29 03:20:55,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2023-11-29 03:20:55,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2023-11-29 03:20:55,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2023-11-29 03:20:55,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2023-11-29 03:20:55,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2023-11-29 03:20:55,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2023-11-29 03:20:55,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2023-11-29 03:20:55,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2023-11-29 03:20:55,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2023-11-29 03:20:55,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2023-11-29 03:20:55,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2023-11-29 03:20:55,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:20:55,925 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:20:55,931 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 03:20:55,931 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:20:55,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:20:55 BasicIcfg [2023-11-29 03:20:55,937 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:20:55,937 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:20:55,937 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:20:55,938 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:20:55,938 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:20:46" (3/4) ... [2023-11-29 03:20:55,940 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:20:55,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure monitor_thread [2023-11-29 03:20:55,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure counter_thread [2023-11-29 03:20:55,949 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-29 03:20:55,950 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 03:20:55,950 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-29 03:20:55,951 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 03:20:55,951 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 03:20:56,044 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:20:56,045 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:20:56,045 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:20:56,046 INFO L158 Benchmark]: Toolchain (without parser) took 11192.34ms. Allocated memory was 180.4MB in the beginning and 343.9MB in the end (delta: 163.6MB). Free memory was 136.0MB in the beginning and 159.2MB in the end (delta: -23.2MB). Peak memory consumption was 141.5MB. Max. memory is 16.1GB. [2023-11-29 03:20:56,046 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 180.4MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:20:56,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1103.16ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 135.4MB in the beginning and 194.4MB in the end (delta: -59.0MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2023-11-29 03:20:56,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.48ms. Allocated memory is still 237.0MB. Free memory was 194.4MB in the beginning and 190.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:20:56,048 INFO L158 Benchmark]: Boogie Preprocessor took 45.76ms. Allocated memory is still 237.0MB. Free memory was 190.2MB in the beginning and 187.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:20:56,048 INFO L158 Benchmark]: RCFGBuilder took 722.27ms. Allocated memory is still 237.0MB. Free memory was 187.0MB in the beginning and 154.5MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-29 03:20:56,048 INFO L158 Benchmark]: TraceAbstraction took 9135.96ms. Allocated memory was 237.0MB in the beginning and 343.9MB in the end (delta: 107.0MB). Free memory was 154.5MB in the beginning and 164.4MB in the end (delta: -9.9MB). Peak memory consumption was 188.0MB. Max. memory is 16.1GB. [2023-11-29 03:20:56,049 INFO L158 Benchmark]: Witness Printer took 108.01ms. Allocated memory is still 343.9MB. Free memory was 164.4MB in the beginning and 159.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:20:56,051 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 180.4MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1103.16ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 135.4MB in the beginning and 194.4MB in the end (delta: -59.0MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.48ms. Allocated memory is still 237.0MB. Free memory was 194.4MB in the beginning and 190.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.76ms. Allocated memory is still 237.0MB. Free memory was 190.2MB in the beginning and 187.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 722.27ms. Allocated memory is still 237.0MB. Free memory was 187.0MB in the beginning and 154.5MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9135.96ms. Allocated memory was 237.0MB in the beginning and 343.9MB in the end (delta: 107.0MB). Free memory was 154.5MB in the beginning and 164.4MB in the end (delta: -9.9MB). Peak memory consumption was 188.0MB. Max. memory is 16.1GB. * Witness Printer took 108.01ms. Allocated memory is still 343.9MB. Free memory was 164.4MB in the beginning and 159.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1819]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1824]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1828]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1811]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1843]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1849]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1850]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1853]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1855]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 398 locations, 27 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: 9.0s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 460 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 271 mSDsluCounter, 188 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 877 IncrementalHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 91 mSDtfsCounter, 877 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1593occurred in iteration=10, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 912 NumberOfCodeBlocks, 912 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 901 ConstructedInterpolants, 0 QuantifiedInterpolants, 1467 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 03:20:56,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e773749-b6db-49df-a5fc-9240e924df2a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE