./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --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 bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:55:41,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:55:41,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:55:41,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:55:41,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:55:41,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:55:41,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:55:41,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:55:41,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:55:41,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:55:41,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:55:41,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:55:41,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:55:41,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:55:41,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:55:41,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:55:41,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:55:41,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:55:41,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:55:41,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:55:41,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:55:41,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:55:41,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:55:41,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:55:41,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:55:41,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:55:41,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:55:41,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:55:41,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:55:41,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:55:41,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:55:41,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:55:41,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:55:41,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:55:41,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:55:41,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:55:41,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:55:41,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:55:41,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:55:41,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:55:41,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:55:41,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-23 13:55:41,565 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:55:41,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:55:41,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:55:41,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:55:41,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 13:55:41,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 13:55:41,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:55:41,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:55:41,570 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:55:41,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:55:41,572 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:55:41,572 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:55:41,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:55:41,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:55:41,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:55:41,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:55:41,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:55:41,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:55:41,574 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-23 13:55:41,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:55:41,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:55:41,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:55:41,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:55:41,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:55:41,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:55:41,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:55:41,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:55:41,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:55:41,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:55:41,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:55:41,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:55:41,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:55:41,578 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:55:41,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:55:41,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:55:41,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:55:41,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11 [2021-11-23 13:55:41,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:55:41,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:55:41,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:55:41,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:55:41,954 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:55:41,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i [2021-11-23 13:55:42,039 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/data/575cd6bf8/e827e57db33845c989a2120ee94dd970/FLAGdd36ba742 [2021-11-23 13:55:42,874 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:55:42,875 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i [2021-11-23 13:55:42,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/data/575cd6bf8/e827e57db33845c989a2120ee94dd970/FLAGdd36ba742 [2021-11-23 13:55:43,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/data/575cd6bf8/e827e57db33845c989a2120ee94dd970 [2021-11-23 13:55:43,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:55:43,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:55:43,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:55:43,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:55:43,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:55:43,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:55:43" (1/1) ... [2021-11-23 13:55:43,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e630c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:43, skipping insertion in model container [2021-11-23 13:55:43,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:55:43" (1/1) ... [2021-11-23 13:55:43,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:55:43,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:55:44,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:55:44,219 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:55:44,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:55:44,432 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:55:44,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44 WrapperNode [2021-11-23 13:55:44,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:55:44,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:55:44,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:55:44,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:55:44,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44" (1/1) ... [2021-11-23 13:55:44,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44" (1/1) ... [2021-11-23 13:55:44,551 INFO L137 Inliner]: procedures = 524, calls = 61, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 139 [2021-11-23 13:55:44,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:55:44,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:55:44,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:55:44,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:55:44,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44" (1/1) ... [2021-11-23 13:55:44,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44" (1/1) ... [2021-11-23 13:55:44,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44" (1/1) ... [2021-11-23 13:55:44,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44" (1/1) ... [2021-11-23 13:55:44,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44" (1/1) ... [2021-11-23 13:55:44,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44" (1/1) ... [2021-11-23 13:55:44,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44" (1/1) ... [2021-11-23 13:55:44,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:55:44,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:55:44,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:55:44,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:55:44,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44" (1/1) ... [2021-11-23 13:55:44,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:55:44,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:55:44,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:55:44,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:55:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2021-11-23 13:55:44,731 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2021-11-23 13:55:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-11-23 13:55:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2021-11-23 13:55:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2021-11-23 13:55:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2021-11-23 13:55:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 13:55:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 13:55:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 13:55:44,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:55:44,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:55:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:55:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 13:55:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2021-11-23 13:55:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure time [2021-11-23 13:55:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 13:55:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:55:44,736 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 13:55:45,138 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:55:45,141 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:55:45,610 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:55:45,622 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:55:45,627 INFO L301 CfgBuilder]: Removed 19 assume(true) statements. [2021-11-23 13:55:45,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:45 BoogieIcfgContainer [2021-11-23 13:55:45,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:55:45,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:55:45,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:55:45,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:55:45,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:55:43" (1/3) ... [2021-11-23 13:55:45,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2976defc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:45, skipping insertion in model container [2021-11-23 13:55:45,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44" (2/3) ... [2021-11-23 13:55:45,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2976defc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:45, skipping insertion in model container [2021-11-23 13:55:45,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:45" (3/3) ... [2021-11-23 13:55:45,662 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_35-trylock_rc.i [2021-11-23 13:55:45,667 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 13:55:45,668 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:55:45,668 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-23 13:55:45,668 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 13:55:45,735 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,735 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,735 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,736 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,736 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,736 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,737 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,737 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,737 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,737 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,738 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~misses~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,738 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~misses~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,738 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,738 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,738 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,739 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,740 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,740 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,740 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,741 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,741 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,741 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,742 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,742 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,743 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,743 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,743 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,743 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,743 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,744 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,744 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,744 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,744 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,745 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,745 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,745 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,745 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,745 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,746 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,746 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,746 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,746 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,747 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,747 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,747 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,748 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,748 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,748 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,748 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,749 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,749 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,749 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,749 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,750 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,750 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,750 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,750 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,751 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,751 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,751 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,751 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,752 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,752 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,752 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,752 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,753 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,753 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,753 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,753 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,754 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,754 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,754 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,754 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,755 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,755 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,755 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,756 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,757 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,760 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,760 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,761 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,761 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,762 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,763 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,763 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,763 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,764 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,770 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,771 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,771 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,771 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,771 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,771 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,772 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,773 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,773 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,773 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,773 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,774 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,774 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,774 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,774 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,774 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,775 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,775 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,775 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,775 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,775 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,776 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,776 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,776 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,776 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,776 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,776 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,777 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,778 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,778 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,779 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,779 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,779 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,779 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,779 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,780 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,780 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,780 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,780 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,780 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,781 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,781 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,781 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,781 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,781 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,782 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,782 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,782 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,782 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,782 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,783 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,783 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,783 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,783 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,784 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,784 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,784 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,784 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,784 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,785 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,786 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,786 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,786 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,786 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,789 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,789 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,789 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,789 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,789 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,790 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,790 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,790 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,790 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,790 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,791 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,791 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,791 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,792 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,792 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,793 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,793 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,793 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,794 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,794 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,794 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,794 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,794 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,795 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,795 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,795 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,795 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,795 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,796 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,796 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,796 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,796 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,796 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,796 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,797 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,797 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,797 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,797 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,797 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,798 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,798 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,798 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,798 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,798 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,806 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,811 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,812 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,812 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,812 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~misses~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,812 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,813 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,813 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,813 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,814 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,819 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,819 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,819 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,819 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,820 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,820 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,820 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,820 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,820 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,821 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,826 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,827 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,827 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,827 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,827 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,828 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,828 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,828 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,828 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,828 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,828 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,829 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,829 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,829 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,829 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,829 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,830 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,830 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:55:45,832 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-23 13:55:45,881 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:55:45,888 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 13:55:45,888 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-11-23 13:55:45,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 254 places, 278 transitions, 572 flow [2021-11-23 13:55:46,027 INFO L129 PetriNetUnfolder]: 31/276 cut-off events. [2021-11-23 13:55:46,028 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-23 13:55:46,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 276 events. 31/276 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 653 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 173. Up to 5 conditions per place. [2021-11-23 13:55:46,043 INFO L82 GeneralOperation]: Start removeDead. Operand has 254 places, 278 transitions, 572 flow [2021-11-23 13:55:46,059 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 243 places, 265 transitions, 542 flow [2021-11-23 13:55:46,093 INFO L129 PetriNetUnfolder]: 0/55 cut-off events. [2021-11-23 13:55:46,093 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 13:55:46,094 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:55:46,094 INFO L254 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] [2021-11-23 13:55:46,095 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-23 13:55:46,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:46,103 INFO L85 PathProgramCache]: Analyzing trace with hash -330155688, now seen corresponding path program 1 times [2021-11-23 13:55:46,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:46,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599206716] [2021-11-23 13:55:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:46,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:55:46,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:46,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599206716] [2021-11-23 13:55:46,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599206716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:46,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:55:46,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:55:46,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598387271] [2021-11-23 13:55:46,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:46,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:55:46,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:46,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:55:46,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:55:46,573 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 278 [2021-11-23 13:55:46,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 265 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:46,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:55:46,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 278 [2021-11-23 13:55:46,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:55:46,792 INFO L129 PetriNetUnfolder]: 33/578 cut-off events. [2021-11-23 13:55:46,792 INFO L130 PetriNetUnfolder]: For 22/24 co-relation queries the response was YES. [2021-11-23 13:55:46,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 578 events. 33/578 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3137 event pairs, 15 based on Foata normal form. 87/567 useless extension candidates. Maximal degree in co-relation 483. Up to 52 conditions per place. [2021-11-23 13:55:46,806 INFO L132 encePairwiseOnDemand]: 257/278 looper letters, 13 selfloop transitions, 2 changer transitions 3/231 dead transitions. [2021-11-23 13:55:46,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 231 transitions, 504 flow [2021-11-23 13:55:46,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:55:46,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-23 13:55:46,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2021-11-23 13:55:46,836 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8860911270983214 [2021-11-23 13:55:46,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 739 transitions. [2021-11-23 13:55:46,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 739 transitions. [2021-11-23 13:55:46,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:55:46,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 739 transitions. [2021-11-23 13:55:46,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:46,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:46,876 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:46,878 INFO L186 Difference]: Start difference. First operand has 243 places, 265 transitions, 542 flow. Second operand 3 states and 739 transitions. [2021-11-23 13:55:46,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 231 transitions, 504 flow [2021-11-23 13:55:46,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 231 transitions, 496 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-23 13:55:46,897 INFO L242 Difference]: Finished difference. Result has 232 places, 228 transitions, 464 flow [2021-11-23 13:55:46,900 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=464, PETRI_PLACES=232, PETRI_TRANSITIONS=228} [2021-11-23 13:55:46,906 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -11 predicate places. [2021-11-23 13:55:46,906 INFO L470 AbstractCegarLoop]: Abstraction has has 232 places, 228 transitions, 464 flow [2021-11-23 13:55:46,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:46,908 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:55:46,909 INFO L254 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] [2021-11-23 13:55:46,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:55:46,910 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting counter_threadErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-23 13:55:46,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:46,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1172432305, now seen corresponding path program 1 times [2021-11-23 13:55:46,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:46,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852637880] [2021-11-23 13:55:46,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:46,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:55:47,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:47,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852637880] [2021-11-23 13:55:47,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852637880] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:47,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:55:47,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:55:47,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225321224] [2021-11-23 13:55:47,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:47,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:55:47,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:47,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:55:47,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:55:47,053 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 278 [2021-11-23 13:55:47,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 228 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:47,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:55:47,054 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 278 [2021-11-23 13:55:47,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:55:47,207 INFO L129 PetriNetUnfolder]: 23/534 cut-off events. [2021-11-23 13:55:47,207 INFO L130 PetriNetUnfolder]: For 5/11 co-relation queries the response was YES. [2021-11-23 13:55:47,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 534 events. 23/534 cut-off events. For 5/11 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2687 event pairs, 5 based on Foata normal form. 0/456 useless extension candidates. Maximal degree in co-relation 512. Up to 29 conditions per place. [2021-11-23 13:55:47,214 INFO L132 encePairwiseOnDemand]: 274/278 looper letters, 11 selfloop transitions, 2 changer transitions 0/229 dead transitions. [2021-11-23 13:55:47,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 229 transitions, 493 flow [2021-11-23 13:55:47,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:55:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-23 13:55:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2021-11-23 13:55:47,218 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8741007194244604 [2021-11-23 13:55:47,218 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 729 transitions. [2021-11-23 13:55:47,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 729 transitions. [2021-11-23 13:55:47,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:55:47,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 729 transitions. [2021-11-23 13:55:47,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:47,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:47,226 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:47,226 INFO L186 Difference]: Start difference. First operand has 232 places, 228 transitions, 464 flow. Second operand 3 states and 729 transitions. [2021-11-23 13:55:47,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 229 transitions, 493 flow [2021-11-23 13:55:47,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 229 transitions, 489 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-23 13:55:47,242 INFO L242 Difference]: Finished difference. Result has 228 places, 228 transitions, 470 flow [2021-11-23 13:55:47,243 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=228, PETRI_TRANSITIONS=228} [2021-11-23 13:55:47,244 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -15 predicate places. [2021-11-23 13:55:47,244 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 228 transitions, 470 flow [2021-11-23 13:55:47,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:47,245 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:55:47,245 INFO L254 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] [2021-11-23 13:55:47,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:55:47,246 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-23 13:55:47,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:47,247 INFO L85 PathProgramCache]: Analyzing trace with hash -887398033, now seen corresponding path program 1 times [2021-11-23 13:55:47,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:47,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424593183] [2021-11-23 13:55:47,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:47,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:55:47,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:47,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424593183] [2021-11-23 13:55:47,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424593183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:47,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:55:47,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:55:47,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488987385] [2021-11-23 13:55:47,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:47,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:55:47,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:47,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:55:47,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:55:47,415 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 278 [2021-11-23 13:55:47,417 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 228 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:47,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:55:47,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 278 [2021-11-23 13:55:47,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:55:47,644 INFO L129 PetriNetUnfolder]: 136/644 cut-off events. [2021-11-23 13:55:47,644 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-23 13:55:47,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 644 events. 136/644 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3819 event pairs, 76 based on Foata normal form. 1/585 useless extension candidates. Maximal degree in co-relation 733. Up to 243 conditions per place. [2021-11-23 13:55:47,655 INFO L132 encePairwiseOnDemand]: 262/278 looper letters, 17 selfloop transitions, 7 changer transitions 8/229 dead transitions. [2021-11-23 13:55:47,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 229 transitions, 530 flow [2021-11-23 13:55:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:55:47,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-23 13:55:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 705 transitions. [2021-11-23 13:55:47,659 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8453237410071942 [2021-11-23 13:55:47,659 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 705 transitions. [2021-11-23 13:55:47,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 705 transitions. [2021-11-23 13:55:47,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:55:47,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 705 transitions. [2021-11-23 13:55:47,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:47,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:47,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:47,667 INFO L186 Difference]: Start difference. First operand has 228 places, 228 transitions, 470 flow. Second operand 3 states and 705 transitions. [2021-11-23 13:55:47,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 229 transitions, 530 flow [2021-11-23 13:55:47,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 229 transitions, 530 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-23 13:55:47,676 INFO L242 Difference]: Finished difference. Result has 223 places, 219 transitions, 482 flow [2021-11-23 13:55:47,676 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=223, PETRI_TRANSITIONS=219} [2021-11-23 13:55:47,679 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -20 predicate places. [2021-11-23 13:55:47,679 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 219 transitions, 482 flow [2021-11-23 13:55:47,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:47,680 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:55:47,681 INFO L254 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] [2021-11-23 13:55:47,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 13:55:47,682 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-23 13:55:47,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:47,685 INFO L85 PathProgramCache]: Analyzing trace with hash 339946526, now seen corresponding path program 1 times [2021-11-23 13:55:47,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:47,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172556713] [2021-11-23 13:55:47,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:47,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:55:47,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:47,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172556713] [2021-11-23 13:55:47,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172556713] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:47,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:55:47,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:55:47,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627675366] [2021-11-23 13:55:47,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:47,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:55:47,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:47,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:55:47,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:55:47,875 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 278 [2021-11-23 13:55:47,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 219 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:47,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:55:47,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 278 [2021-11-23 13:55:47,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:55:48,214 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [51#L1803-3true, 34#L1843-3true, 271#true, 78#L1819-3true, Black: 261#true, 266#true, 263#(= |#race~end_time~0| 0)]) [2021-11-23 13:55:48,214 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-11-23 13:55:48,214 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-23 13:55:48,214 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-11-23 13:55:48,214 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-23 13:55:48,222 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([689] L1819-2-->L1819-3: Formula: (= |v_#race~end_time~0_1| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_1|} AuxVars[] AssignedVars[#race~end_time~0][109], [51#L1803-3true, 34#L1843-3true, 271#true, 78#L1819-3true, Black: 261#true, 266#true, 263#(= |#race~end_time~0| 0)]) [2021-11-23 13:55:48,222 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-11-23 13:55:48,222 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-11-23 13:55:48,222 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-11-23 13:55:48,223 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-23 13:55:48,230 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [34#L1843-3true, 51#L1803-3true, 271#true, 78#L1819-3true, Black: 261#true, 266#true, 263#(= |#race~end_time~0| 0)]) [2021-11-23 13:55:48,230 INFO L384 tUnfolder$Statistics]: this new event has 132 ancestors and is cut-off event [2021-11-23 13:55:48,230 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-23 13:55:48,230 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-11-23 13:55:48,230 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-23 13:55:48,230 INFO L387 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2021-11-23 13:55:48,261 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([712] L1824-1-->L1824-2: Formula: (= |v_#race~stderr~0_1| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_1|} AuxVars[] AssignedVars[#race~stderr~0][175], [34#L1843-3true, 17#L1811-2true, 271#true, 268#(= |#race~stderr~0| 0), Black: 261#true, 123#L1824-2true, 263#(= |#race~end_time~0| 0), Black: 266#true]) [2021-11-23 13:55:48,261 INFO L384 tUnfolder$Statistics]: this new event has 141 ancestors and is cut-off event [2021-11-23 13:55:48,262 INFO L387 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2021-11-23 13:55:48,262 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-11-23 13:55:48,262 INFO L387 tUnfolder$Statistics]: existing Event has 139 ancestors and is cut-off event [2021-11-23 13:55:48,270 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1811-1-->L1811-2: Formula: (= |v_#race~stderr~0_10| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_10|} AuxVars[] AssignedVars[#race~stderr~0][151], [17#L1811-2true, 34#L1843-3true, 271#true, 268#(= |#race~stderr~0| 0), Black: 261#true, 123#L1824-2true, 263#(= |#race~end_time~0| 0), Black: 266#true]) [2021-11-23 13:55:48,270 INFO L384 tUnfolder$Statistics]: this new event has 141 ancestors and is cut-off event [2021-11-23 13:55:48,270 INFO L387 tUnfolder$Statistics]: existing Event has 139 ancestors and is cut-off event [2021-11-23 13:55:48,271 INFO L387 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2021-11-23 13:55:48,271 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-11-23 13:55:48,288 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1811-1-->L1811-2: Formula: (= |v_#race~stderr~0_10| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_10|} AuxVars[] AssignedVars[#race~stderr~0][151], [17#L1811-2true, 271#true, 268#(= |#race~stderr~0| 0), Black: 261#true, 123#L1824-2true, 263#(= |#race~end_time~0| 0), Black: 266#true, 178#L1845-5true]) [2021-11-23 13:55:48,288 INFO L384 tUnfolder$Statistics]: this new event has 147 ancestors and is cut-off event [2021-11-23 13:55:48,288 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-11-23 13:55:48,288 INFO L387 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2021-11-23 13:55:48,289 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-11-23 13:55:48,316 INFO L129 PetriNetUnfolder]: 218/1608 cut-off events. [2021-11-23 13:55:48,316 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-11-23 13:55:48,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2117 conditions, 1608 events. 218/1608 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 12073 event pairs, 35 based on Foata normal form. 0/1420 useless extension candidates. Maximal degree in co-relation 1922. Up to 184 conditions per place. [2021-11-23 13:55:48,342 INFO L132 encePairwiseOnDemand]: 267/278 looper letters, 24 selfloop transitions, 8 changer transitions 0/233 dead transitions. [2021-11-23 13:55:48,342 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 233 transitions, 576 flow [2021-11-23 13:55:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:55:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-23 13:55:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 731 transitions. [2021-11-23 13:55:48,345 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8764988009592326 [2021-11-23 13:55:48,345 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 731 transitions. [2021-11-23 13:55:48,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 731 transitions. [2021-11-23 13:55:48,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:55:48,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 731 transitions. [2021-11-23 13:55:48,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:48,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:48,353 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:48,353 INFO L186 Difference]: Start difference. First operand has 223 places, 219 transitions, 482 flow. Second operand 3 states and 731 transitions. [2021-11-23 13:55:48,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 233 transitions, 576 flow [2021-11-23 13:55:48,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 233 transitions, 576 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-23 13:55:48,362 INFO L242 Difference]: Finished difference. Result has 221 places, 227 transitions, 552 flow [2021-11-23 13:55:48,363 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=221, PETRI_TRANSITIONS=227} [2021-11-23 13:55:48,365 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -22 predicate places. [2021-11-23 13:55:48,365 INFO L470 AbstractCegarLoop]: Abstraction has has 221 places, 227 transitions, 552 flow [2021-11-23 13:55:48,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:48,366 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:55:48,366 INFO L254 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] [2021-11-23 13:55:48,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 13:55:48,368 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-23 13:55:48,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:48,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1605012978, now seen corresponding path program 1 times [2021-11-23 13:55:48,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:48,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528780235] [2021-11-23 13:55:48,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:48,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:48,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:55:48,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:48,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528780235] [2021-11-23 13:55:48,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528780235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:48,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:55:48,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 13:55:48,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475919453] [2021-11-23 13:55:48,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:48,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 13:55:48,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:48,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 13:55:48,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 13:55:48,685 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 278 [2021-11-23 13:55:48,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 227 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:48,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:55:48,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 278 [2021-11-23 13:55:48,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:55:49,007 INFO L129 PetriNetUnfolder]: 110/1125 cut-off events. [2021-11-23 13:55:49,007 INFO L130 PetriNetUnfolder]: For 40/68 co-relation queries the response was YES. [2021-11-23 13:55:49,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1503 conditions, 1125 events. 110/1125 cut-off events. For 40/68 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 7484 event pairs, 13 based on Foata normal form. 16/1030 useless extension candidates. Maximal degree in co-relation 1302. Up to 138 conditions per place. [2021-11-23 13:55:49,027 INFO L132 encePairwiseOnDemand]: 273/278 looper letters, 14 selfloop transitions, 4 changer transitions 0/226 dead transitions. [2021-11-23 13:55:49,027 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 226 transitions, 586 flow [2021-11-23 13:55:49,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 13:55:49,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-23 13:55:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1393 transitions. [2021-11-23 13:55:49,033 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8351318944844125 [2021-11-23 13:55:49,034 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1393 transitions. [2021-11-23 13:55:49,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1393 transitions. [2021-11-23 13:55:49,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:55:49,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1393 transitions. [2021-11-23 13:55:49,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 232.16666666666666) internal successors, (1393), 6 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:49,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 278.0) internal successors, (1946), 7 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:49,049 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 278.0) internal successors, (1946), 7 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:49,049 INFO L186 Difference]: Start difference. First operand has 221 places, 227 transitions, 552 flow. Second operand 6 states and 1393 transitions. [2021-11-23 13:55:49,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 226 transitions, 586 flow [2021-11-23 13:55:49,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 226 transitions, 570 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-23 13:55:49,061 INFO L242 Difference]: Finished difference. Result has 223 places, 226 transitions, 542 flow [2021-11-23 13:55:49,061 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=542, PETRI_PLACES=223, PETRI_TRANSITIONS=226} [2021-11-23 13:55:49,064 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -20 predicate places. [2021-11-23 13:55:49,065 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 226 transitions, 542 flow [2021-11-23 13:55:49,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:49,067 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:55:49,067 INFO L254 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] [2021-11-23 13:55:49,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 13:55:49,068 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-23 13:55:49,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:49,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1807045737, now seen corresponding path program 1 times [2021-11-23 13:55:49,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:49,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360721649] [2021-11-23 13:55:49,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:49,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:49,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:55:49,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:49,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360721649] [2021-11-23 13:55:49,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360721649] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:49,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:55:49,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:55:49,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667368555] [2021-11-23 13:55:49,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:49,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:55:49,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:49,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:55:49,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:55:49,173 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 278 [2021-11-23 13:55:49,175 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 226 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:49,175 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:55:49,175 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 278 [2021-11-23 13:55:49,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:55:49,448 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [34#L1843-3true, 51#L1803-3true, 277#true, Black: 273#(= |#race~counter~0| 0), 78#L1819-3true, Black: 261#true, 266#true, 284#true, 263#(= |#race~end_time~0| 0)]) [2021-11-23 13:55:49,449 INFO L384 tUnfolder$Statistics]: this new event has 132 ancestors and is cut-off event [2021-11-23 13:55:49,449 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-23 13:55:49,449 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-23 13:55:49,449 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-11-23 13:55:49,472 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [34#L1843-3true, 51#L1803-3true, 277#true, Black: 273#(= |#race~counter~0| 0), 78#L1819-3true, Black: 261#true, 266#true, 284#true, 263#(= |#race~end_time~0| 0)]) [2021-11-23 13:55:49,472 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-11-23 13:55:49,472 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-23 13:55:49,472 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-23 13:55:49,472 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-11-23 13:55:49,473 INFO L387 tUnfolder$Statistics]: existing Event has 132 ancestors and is cut-off event [2021-11-23 13:55:49,482 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([689] L1819-2-->L1819-3: Formula: (= |v_#race~end_time~0_1| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_1|} AuxVars[] AssignedVars[#race~end_time~0][109], [34#L1843-3true, 51#L1803-3true, 277#true, Black: 273#(= |#race~counter~0| 0), 78#L1819-3true, Black: 261#true, 266#true, 284#true, 263#(= |#race~end_time~0| 0)]) [2021-11-23 13:55:49,482 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-11-23 13:55:49,482 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-11-23 13:55:49,482 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-11-23 13:55:49,483 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-23 13:55:49,579 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([712] L1824-1-->L1824-2: Formula: (= |v_#race~stderr~0_1| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_1|} AuxVars[] AssignedVars[#race~stderr~0][173], [34#L1843-3true, 17#L1811-2true, 277#true, Black: 273#(= |#race~counter~0| 0), 268#(= |#race~stderr~0| 0), 123#L1824-2true, Black: 261#true, 284#true, 263#(= |#race~end_time~0| 0), Black: 266#true]) [2021-11-23 13:55:49,580 INFO L384 tUnfolder$Statistics]: this new event has 141 ancestors and is cut-off event [2021-11-23 13:55:49,580 INFO L387 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2021-11-23 13:55:49,580 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-11-23 13:55:49,580 INFO L387 tUnfolder$Statistics]: existing Event has 139 ancestors and is cut-off event [2021-11-23 13:55:49,585 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1811-1-->L1811-2: Formula: (= |v_#race~stderr~0_10| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_10|} AuxVars[] AssignedVars[#race~stderr~0][149], [34#L1843-3true, 17#L1811-2true, 277#true, 268#(= |#race~stderr~0| 0), Black: 273#(= |#race~counter~0| 0), 123#L1824-2true, Black: 261#true, 284#true, 263#(= |#race~end_time~0| 0), Black: 266#true]) [2021-11-23 13:55:49,586 INFO L384 tUnfolder$Statistics]: this new event has 141 ancestors and is cut-off event [2021-11-23 13:55:49,586 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-11-23 13:55:49,586 INFO L387 tUnfolder$Statistics]: existing Event has 139 ancestors and is cut-off event [2021-11-23 13:55:49,586 INFO L387 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2021-11-23 13:55:49,602 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1811-1-->L1811-2: Formula: (= |v_#race~stderr~0_10| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_10|} AuxVars[] AssignedVars[#race~stderr~0][149], [17#L1811-2true, 277#true, Black: 273#(= |#race~counter~0| 0), 268#(= |#race~stderr~0| 0), Black: 261#true, 123#L1824-2true, 284#true, 263#(= |#race~end_time~0| 0), Black: 266#true, 178#L1845-5true]) [2021-11-23 13:55:49,602 INFO L384 tUnfolder$Statistics]: this new event has 147 ancestors and is cut-off event [2021-11-23 13:55:49,602 INFO L387 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2021-11-23 13:55:49,603 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-11-23 13:55:49,603 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-11-23 13:55:49,631 INFO L129 PetriNetUnfolder]: 266/1958 cut-off events. [2021-11-23 13:55:49,631 INFO L130 PetriNetUnfolder]: For 134/173 co-relation queries the response was YES. [2021-11-23 13:55:49,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2773 conditions, 1958 events. 266/1958 cut-off events. For 134/173 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 15801 event pairs, 50 based on Foata normal form. 6/1757 useless extension candidates. Maximal degree in co-relation 2569. Up to 246 conditions per place. [2021-11-23 13:55:49,659 INFO L132 encePairwiseOnDemand]: 271/278 looper letters, 35 selfloop transitions, 10 changer transitions 0/243 dead transitions. [2021-11-23 13:55:49,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 243 transitions, 691 flow [2021-11-23 13:55:49,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:55:49,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-23 13:55:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 723 transitions. [2021-11-23 13:55:49,663 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8669064748201439 [2021-11-23 13:55:49,664 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 723 transitions. [2021-11-23 13:55:49,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 723 transitions. [2021-11-23 13:55:49,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:55:49,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 723 transitions. [2021-11-23 13:55:49,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:49,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:49,671 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:49,671 INFO L186 Difference]: Start difference. First operand has 223 places, 226 transitions, 542 flow. Second operand 3 states and 723 transitions. [2021-11-23 13:55:49,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 243 transitions, 691 flow [2021-11-23 13:55:49,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 243 transitions, 684 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-23 13:55:49,680 INFO L242 Difference]: Finished difference. Result has 223 places, 234 transitions, 621 flow [2021-11-23 13:55:49,681 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=621, PETRI_PLACES=223, PETRI_TRANSITIONS=234} [2021-11-23 13:55:49,682 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -20 predicate places. [2021-11-23 13:55:49,682 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 234 transitions, 621 flow [2021-11-23 13:55:49,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:49,683 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:55:49,683 INFO L254 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] [2021-11-23 13:55:49,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 13:55:49,684 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting monitor_threadErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-23 13:55:49,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:49,684 INFO L85 PathProgramCache]: Analyzing trace with hash -391105120, now seen corresponding path program 1 times [2021-11-23 13:55:49,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:49,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107329641] [2021-11-23 13:55:49,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:49,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:49,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:55:49,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:49,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107329641] [2021-11-23 13:55:49,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107329641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:49,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:55:49,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:55:49,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742452531] [2021-11-23 13:55:49,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:49,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:55:49,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:49,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:55:49,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:55:49,770 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 278 [2021-11-23 13:55:49,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 234 transitions, 621 flow. Second operand has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:49,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:55:49,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 278 [2021-11-23 13:55:49,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:55:50,047 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 51#L1803-3true, Black: 273#(= |#race~counter~0| 0), 78#L1819-3true, Black: 261#true, 266#true, 284#true, 290#true, 263#(= |#race~end_time~0| 0)]) [2021-11-23 13:55:50,048 INFO L384 tUnfolder$Statistics]: this new event has 132 ancestors and is cut-off event [2021-11-23 13:55:50,048 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-23 13:55:50,048 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-11-23 13:55:50,048 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-23 13:55:50,061 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 51#L1803-3true, Black: 271#true, 78#L1819-3true, Black: 261#true, 266#true, 284#true, 290#true, 263#(= |#race~end_time~0| 0)]) [2021-11-23 13:55:50,061 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-11-23 13:55:50,062 INFO L387 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2021-11-23 13:55:50,062 INFO L387 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2021-11-23 13:55:50,062 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-11-23 13:55:50,072 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([753] L1803-2-->L1803-3: Formula: (= |v_#race~end_time~0_4| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_4|} AuxVars[] AssignedVars[#race~end_time~0][117], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 51#L1803-3true, Black: 273#(= |#race~counter~0| 0), 78#L1819-3true, Black: 261#true, 266#true, 290#true, 284#true, 263#(= |#race~end_time~0| 0)]) [2021-11-23 13:55:50,072 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-11-23 13:55:50,072 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-11-23 13:55:50,072 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-11-23 13:55:50,072 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-23 13:55:50,073 INFO L387 tUnfolder$Statistics]: existing Event has 132 ancestors and is cut-off event [2021-11-23 13:55:50,081 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([689] L1819-2-->L1819-3: Formula: (= |v_#race~end_time~0_1| 0) InVars {} OutVars{#race~end_time~0=|v_#race~end_time~0_1|} AuxVars[] AssignedVars[#race~end_time~0][109], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 51#L1803-3true, Black: 273#(= |#race~counter~0| 0), 78#L1819-3true, Black: 261#true, 266#true, 290#true, 284#true, 263#(= |#race~end_time~0| 0)]) [2021-11-23 13:55:50,081 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-11-23 13:55:50,082 INFO L387 tUnfolder$Statistics]: existing Event has 111 ancestors and is cut-off event [2021-11-23 13:55:50,082 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-11-23 13:55:50,082 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-11-23 13:55:50,141 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([712] L1824-1-->L1824-2: Formula: (= |v_#race~stderr~0_1| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_1|} AuxVars[] AssignedVars[#race~stderr~0][172], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 17#L1811-2true, 268#(= |#race~stderr~0| 0), Black: 273#(= |#race~counter~0| 0), Black: 261#true, 123#L1824-2true, 284#true, 290#true, 263#(= |#race~end_time~0| 0), Black: 266#true]) [2021-11-23 13:55:50,142 INFO L384 tUnfolder$Statistics]: this new event has 141 ancestors and is cut-off event [2021-11-23 13:55:50,142 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-11-23 13:55:50,142 INFO L387 tUnfolder$Statistics]: existing Event has 139 ancestors and is cut-off event [2021-11-23 13:55:50,142 INFO L387 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2021-11-23 13:55:50,148 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1811-1-->L1811-2: Formula: (= |v_#race~stderr~0_10| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_10|} AuxVars[] AssignedVars[#race~stderr~0][149], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 17#L1811-2true, 268#(= |#race~stderr~0| 0), Black: 273#(= |#race~counter~0| 0), Black: 261#true, 123#L1824-2true, 284#true, 290#true, 263#(= |#race~end_time~0| 0), Black: 266#true]) [2021-11-23 13:55:50,148 INFO L384 tUnfolder$Statistics]: this new event has 141 ancestors and is cut-off event [2021-11-23 13:55:50,149 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-11-23 13:55:50,149 INFO L387 tUnfolder$Statistics]: existing Event has 120 ancestors and is cut-off event [2021-11-23 13:55:50,149 INFO L387 tUnfolder$Statistics]: existing Event has 139 ancestors and is cut-off event [2021-11-23 13:55:50,167 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1811-1-->L1811-2: Formula: (= |v_#race~stderr~0_10| 0) InVars {} OutVars{#race~stderr~0=|v_#race~stderr~0_10|} AuxVars[] AssignedVars[#race~stderr~0][149], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 17#L1811-2true, Black: 273#(= |#race~counter~0| 0), 268#(= |#race~stderr~0| 0), Black: 261#true, 123#L1824-2true, 284#true, 290#true, 263#(= |#race~end_time~0| 0), Black: 266#true, 178#L1845-5true]) [2021-11-23 13:55:50,167 INFO L384 tUnfolder$Statistics]: this new event has 147 ancestors and is cut-off event [2021-11-23 13:55:50,167 INFO L387 tUnfolder$Statistics]: existing Event has 113 ancestors and is cut-off event [2021-11-23 13:55:50,167 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-11-23 13:55:50,167 INFO L387 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2021-11-23 13:55:50,194 INFO L129 PetriNetUnfolder]: 287/1942 cut-off events. [2021-11-23 13:55:50,194 INFO L130 PetriNetUnfolder]: For 487/603 co-relation queries the response was YES. [2021-11-23 13:55:50,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2978 conditions, 1942 events. 287/1942 cut-off events. For 487/603 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 15298 event pairs, 43 based on Foata normal form. 4/1751 useless extension candidates. Maximal degree in co-relation 2768. Up to 258 conditions per place. [2021-11-23 13:55:50,228 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 38 selfloop transitions, 9 changer transitions 0/246 dead transitions. [2021-11-23 13:55:50,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 246 transitions, 768 flow [2021-11-23 13:55:50,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:55:50,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-23 13:55:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 720 transitions. [2021-11-23 13:55:50,232 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8633093525179856 [2021-11-23 13:55:50,232 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 720 transitions. [2021-11-23 13:55:50,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 720 transitions. [2021-11-23 13:55:50,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:55:50,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 720 transitions. [2021-11-23 13:55:50,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 240.0) internal successors, (720), 3 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:50,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:50,239 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:50,239 INFO L186 Difference]: Start difference. First operand has 223 places, 234 transitions, 621 flow. Second operand 3 states and 720 transitions. [2021-11-23 13:55:50,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 246 transitions, 768 flow [2021-11-23 13:55:50,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 246 transitions, 742 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-23 13:55:50,250 INFO L242 Difference]: Finished difference. Result has 225 places, 239 transitions, 669 flow [2021-11-23 13:55:50,251 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=225, PETRI_TRANSITIONS=239} [2021-11-23 13:55:50,252 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -18 predicate places. [2021-11-23 13:55:50,252 INFO L470 AbstractCegarLoop]: Abstraction has has 225 places, 239 transitions, 669 flow [2021-11-23 13:55:50,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:50,253 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:55:50,254 INFO L254 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] [2021-11-23 13:55:50,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 13:55:50,254 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-23 13:55:50,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:50,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1477232528, now seen corresponding path program 1 times [2021-11-23 13:55:50,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:50,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247084865] [2021-11-23 13:55:50,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:50,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:55:50,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:50,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247084865] [2021-11-23 13:55:50,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247084865] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:50,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:55:50,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 13:55:50,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410415717] [2021-11-23 13:55:50,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:50,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 13:55:50,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:50,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 13:55:50,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 13:55:50,470 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 278 [2021-11-23 13:55:50,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 239 transitions, 669 flow. Second operand has 6 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:50,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:55:50,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 278 [2021-11-23 13:55:50,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:55:50,732 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([706] L1830-->L1830-1: Formula: (= |v_#race~counter~0_4| 0) InVars {} OutVars{#race~counter~0=|v_#race~counter~0_4|} AuxVars[] AssignedVars[#race~counter~0][187], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 24#L1808-7true, Black: 271#true, Black: 292#(= |#race~counter~0| |monitor_threadThread1of1ForFork0_#t~nondet49|), Black: 261#true, 11#L1830-1true, 266#true, 296#true, 290#true, 263#(= |#race~end_time~0| 0)]) [2021-11-23 13:55:50,732 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-11-23 13:55:50,732 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-11-23 13:55:50,732 INFO L387 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2021-11-23 13:55:50,732 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-11-23 13:55:50,749 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([713] L1825-->L1825-1: Formula: (= |v_#race~counter~0_1| 0) InVars {} OutVars{#race~counter~0=|v_#race~counter~0_1|} AuxVars[] AssignedVars[#race~counter~0][197], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 24#L1808-7true, Black: 271#true, Black: 292#(= |#race~counter~0| |monitor_threadThread1of1ForFork0_#t~nondet49|), 16#L1825-1true, Black: 261#true, 266#true, 296#true, 290#true, 263#(= |#race~end_time~0| 0)]) [2021-11-23 13:55:50,749 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-11-23 13:55:50,749 INFO L387 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2021-11-23 13:55:50,750 INFO L387 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2021-11-23 13:55:50,750 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-11-23 13:55:50,857 INFO L129 PetriNetUnfolder]: 198/1577 cut-off events. [2021-11-23 13:55:50,858 INFO L130 PetriNetUnfolder]: For 245/309 co-relation queries the response was YES. [2021-11-23 13:55:50,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2305 conditions, 1577 events. 198/1577 cut-off events. For 245/309 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 11878 event pairs, 13 based on Foata normal form. 4/1427 useless extension candidates. Maximal degree in co-relation 2097. Up to 189 conditions per place. [2021-11-23 13:55:50,879 INFO L132 encePairwiseOnDemand]: 273/278 looper letters, 13 selfloop transitions, 4 changer transitions 0/238 dead transitions. [2021-11-23 13:55:50,879 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 238 transitions, 701 flow [2021-11-23 13:55:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 13:55:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-23 13:55:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1392 transitions. [2021-11-23 13:55:50,884 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8345323741007195 [2021-11-23 13:55:50,885 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1392 transitions. [2021-11-23 13:55:50,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1392 transitions. [2021-11-23 13:55:50,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:55:50,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1392 transitions. [2021-11-23 13:55:50,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:50,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 278.0) internal successors, (1946), 7 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:50,896 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 278.0) internal successors, (1946), 7 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:50,896 INFO L186 Difference]: Start difference. First operand has 225 places, 239 transitions, 669 flow. Second operand 6 states and 1392 transitions. [2021-11-23 13:55:50,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 238 transitions, 701 flow [2021-11-23 13:55:50,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 238 transitions, 683 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-23 13:55:50,905 INFO L242 Difference]: Finished difference. Result has 227 places, 238 transitions, 657 flow [2021-11-23 13:55:50,906 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=657, PETRI_PLACES=227, PETRI_TRANSITIONS=238} [2021-11-23 13:55:50,906 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -16 predicate places. [2021-11-23 13:55:50,907 INFO L470 AbstractCegarLoop]: Abstraction has has 227 places, 238 transitions, 657 flow [2021-11-23 13:55:50,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:50,908 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:55:50,908 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:55:50,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 13:55:50,909 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting monitor_threadErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-23 13:55:50,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:50,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1206236163, now seen corresponding path program 1 times [2021-11-23 13:55:50,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:50,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368243314] [2021-11-23 13:55:50,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:50,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:55:51,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:51,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368243314] [2021-11-23 13:55:51,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368243314] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:51,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:55:51,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 13:55:51,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728324113] [2021-11-23 13:55:51,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:51,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:55:51,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:51,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:55:51,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:55:51,053 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 278 [2021-11-23 13:55:51,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 238 transitions, 657 flow. Second operand has 5 states, 5 states have (on average 229.8) internal successors, (1149), 5 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:51,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:55:51,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 278 [2021-11-23 13:55:51,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:55:51,484 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([706] L1830-->L1830-1: Formula: (= |v_#race~counter~0_4| 0) InVars {} OutVars{#race~counter~0=|v_#race~counter~0_4|} AuxVars[] AssignedVars[#race~counter~0][203], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, Black: 271#true, 83#L1808-2true, Black: 292#(= |#race~counter~0| |monitor_threadThread1of1ForFork0_#t~nondet49|), Black: 261#true, 11#L1830-1true, 266#true, 296#true, 263#(= |#race~end_time~0| 0), 307#(not (= (select (select |#pthreadsMutex| |~#mutex~0.base|) |~#mutex~0.offset|) 0))]) [2021-11-23 13:55:51,485 INFO L384 tUnfolder$Statistics]: this new event has 123 ancestors and is cut-off event [2021-11-23 13:55:51,485 INFO L387 tUnfolder$Statistics]: existing Event has 121 ancestors and is cut-off event [2021-11-23 13:55:51,485 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-11-23 13:55:51,485 INFO L387 tUnfolder$Statistics]: existing Event has 121 ancestors and is cut-off event [2021-11-23 13:55:51,520 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([713] L1825-->L1825-1: Formula: (= |v_#race~counter~0_1| 0) InVars {} OutVars{#race~counter~0=|v_#race~counter~0_1|} AuxVars[] AssignedVars[#race~counter~0][212], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, Black: 271#true, 83#L1808-2true, Black: 292#(= |#race~counter~0| |monitor_threadThread1of1ForFork0_#t~nondet49|), 16#L1825-1true, Black: 261#true, 266#true, 296#true, 263#(= |#race~end_time~0| 0), 307#(not (= (select (select |#pthreadsMutex| |~#mutex~0.base|) |~#mutex~0.offset|) 0))]) [2021-11-23 13:55:51,520 INFO L384 tUnfolder$Statistics]: this new event has 125 ancestors and is cut-off event [2021-11-23 13:55:51,521 INFO L387 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2021-11-23 13:55:51,521 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-11-23 13:55:51,521 INFO L387 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2021-11-23 13:55:51,572 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([706] L1830-->L1830-1: Formula: (= |v_#race~counter~0_4| 0) InVars {} OutVars{#race~counter~0=|v_#race~counter~0_4|} AuxVars[] AssignedVars[#race~counter~0][204], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 24#L1808-7true, Black: 271#true, Black: 292#(= |#race~counter~0| |monitor_threadThread1of1ForFork0_#t~nondet49|), Black: 261#true, 11#L1830-1true, 266#true, 296#true, 263#(= |#race~end_time~0| 0), 307#(not (= (select (select |#pthreadsMutex| |~#mutex~0.base|) |~#mutex~0.offset|) 0))]) [2021-11-23 13:55:51,573 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-11-23 13:55:51,573 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-11-23 13:55:51,573 INFO L387 tUnfolder$Statistics]: existing Event has 107 ancestors and is cut-off event [2021-11-23 13:55:51,573 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-11-23 13:55:51,605 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([713] L1825-->L1825-1: Formula: (= |v_#race~counter~0_1| 0) InVars {} OutVars{#race~counter~0=|v_#race~counter~0_1|} AuxVars[] AssignedVars[#race~counter~0][213], [Black: 286#(= |#race~counter~0| |counter_threadThread1of1ForFork1_#t~nondet36|), 34#L1843-3true, 24#L1808-7true, Black: 271#true, Black: 292#(= |#race~counter~0| |monitor_threadThread1of1ForFork0_#t~nondet49|), 16#L1825-1true, Black: 261#true, 266#true, 296#true, 263#(= |#race~end_time~0| 0), 307#(not (= (select (select |#pthreadsMutex| |~#mutex~0.base|) |~#mutex~0.offset|) 0))]) [2021-11-23 13:55:51,605 INFO L384 tUnfolder$Statistics]: this new event has 130 ancestors and is cut-off event [2021-11-23 13:55:51,605 INFO L387 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2021-11-23 13:55:51,606 INFO L387 tUnfolder$Statistics]: existing Event has 109 ancestors and is cut-off event [2021-11-23 13:55:51,606 INFO L387 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2021-11-23 13:55:51,749 INFO L129 PetriNetUnfolder]: 381/3098 cut-off events. [2021-11-23 13:55:51,749 INFO L130 PetriNetUnfolder]: For 268/314 co-relation queries the response was YES. [2021-11-23 13:55:51,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4571 conditions, 3098 events. 381/3098 cut-off events. For 268/314 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 29596 event pairs, 27 based on Foata normal form. 23/2834 useless extension candidates. Maximal degree in co-relation 4329. Up to 308 conditions per place. [2021-11-23 13:55:51,801 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 33 selfloop transitions, 12 changer transitions 0/260 dead transitions. [2021-11-23 13:55:51,801 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 260 transitions, 794 flow [2021-11-23 13:55:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 13:55:51,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-23 13:55:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 954 transitions. [2021-11-23 13:55:51,805 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8579136690647482 [2021-11-23 13:55:51,805 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 954 transitions. [2021-11-23 13:55:51,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 954 transitions. [2021-11-23 13:55:51,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:55:51,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 954 transitions. [2021-11-23 13:55:51,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 238.5) internal successors, (954), 4 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:51,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:51,815 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:51,815 INFO L186 Difference]: Start difference. First operand has 227 places, 238 transitions, 657 flow. Second operand 4 states and 954 transitions. [2021-11-23 13:55:51,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 260 transitions, 794 flow [2021-11-23 13:55:51,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 260 transitions, 787 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-23 13:55:51,826 INFO L242 Difference]: Finished difference. Result has 228 places, 249 transitions, 727 flow [2021-11-23 13:55:51,827 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=727, PETRI_PLACES=228, PETRI_TRANSITIONS=249} [2021-11-23 13:55:51,827 INFO L334 CegarLoopForPetriNet]: 243 programPoint places, -15 predicate places. [2021-11-23 13:55:51,828 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 249 transitions, 727 flow [2021-11-23 13:55:51,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 229.8) internal successors, (1149), 5 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:55:51,829 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:55:51,829 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:55:51,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 13:55:51,830 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting monitor_threadErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-23 13:55:51,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:51,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1679470663, now seen corresponding path program 2 times [2021-11-23 13:55:51,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:51,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514053297] [2021-11-23 13:55:51,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:51,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:55:51,867 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:55:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:55:51,943 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:55:51,943 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 13:55:51,945 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2021-11-23 13:55:51,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2021-11-23 13:55:51,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2021-11-23 13:55:51,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2021-11-23 13:55:51,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2021-11-23 13:55:51,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2021-11-23 13:55:51,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2021-11-23 13:55:51,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2021-11-23 13:55:51,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2021-11-23 13:55:51,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2021-11-23 13:55:51,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2021-11-23 13:55:51,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2021-11-23 13:55:51,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2021-11-23 13:55:51,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2021-11-23 13:55:51,950 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2021-11-23 13:55:51,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2021-11-23 13:55:51,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2021-11-23 13:55:51,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2021-11-23 13:55:51,951 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2021-11-23 13:55:51,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (11 of 31 remaining) [2021-11-23 13:55:51,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (10 of 31 remaining) [2021-11-23 13:55:51,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2021-11-23 13:55:51,952 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2021-11-23 13:55:51,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2021-11-23 13:55:51,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2021-11-23 13:55:51,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2021-11-23 13:55:51,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2021-11-23 13:55:51,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2021-11-23 13:55:51,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2021-11-23 13:55:51,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2021-11-23 13:55:51,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2021-11-23 13:55:51,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 13:55:51,959 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:55:51,966 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 13:55:51,966 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:55:52,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:55:52 BasicIcfg [2021-11-23 13:55:52,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:55:52,115 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:55:52,115 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:55:52,115 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:55:52,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:45" (3/4) ... [2021-11-23 13:55:52,119 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:55:52,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:55:52,120 INFO L158 Benchmark]: Toolchain (without parser) took 9106.43ms. Allocated memory was 88.1MB in the beginning and 268.4MB in the end (delta: 180.4MB). Free memory was 47.3MB in the beginning and 226.8MB in the end (delta: -179.5MB). Peak memory consumption was 59.3kB. Max. memory is 16.1GB. [2021-11-23 13:55:52,121 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:55:52,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1416.32ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 47.1MB in the beginning and 75.6MB in the end (delta: -28.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2021-11-23 13:55:52,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.72ms. Allocated memory is still 111.1MB. Free memory was 75.6MB in the beginning and 72.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:55:52,123 INFO L158 Benchmark]: Boogie Preprocessor took 71.53ms. Allocated memory is still 111.1MB. Free memory was 72.0MB in the beginning and 68.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:55:52,123 INFO L158 Benchmark]: RCFGBuilder took 1007.02ms. Allocated memory is still 111.1MB. Free memory was 68.8MB in the beginning and 46.3MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 13:55:52,125 INFO L158 Benchmark]: TraceAbstraction took 6460.73ms. Allocated memory was 111.1MB in the beginning and 268.4MB in the end (delta: 157.3MB). Free memory was 79.6MB in the beginning and 226.8MB in the end (delta: -147.2MB). Peak memory consumption was 161.7MB. Max. memory is 16.1GB. [2021-11-23 13:55:52,126 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 268.4MB. Free memory is still 226.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:55:52,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1416.32ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 47.1MB in the beginning and 75.6MB in the end (delta: -28.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.72ms. Allocated memory is still 111.1MB. Free memory was 75.6MB in the beginning and 72.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.53ms. Allocated memory is still 111.1MB. Free memory was 72.0MB in the beginning and 68.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1007.02ms. Allocated memory is still 111.1MB. Free memory was 68.8MB in the beginning and 46.3MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6460.73ms. Allocated memory was 111.1MB in the beginning and 268.4MB in the end (delta: 157.3MB). Free memory was 79.6MB in the beginning and 226.8MB in the end (delta: -147.2MB). Peak memory consumption was 161.7MB. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 268.4MB. Free memory is still 226.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1830]: Data race detected Data race detected The following path leads to a data race: [L1797] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex={27:0}] [L1798] 0 long counter; VAL [counter=0, mutex={27:0}] [L1799] 0 time_t end_time; VAL [counter=0, end_time=0, mutex={27:0}] [L1836] 0 int status; VAL [\old(argc)=1153, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, end_time=0, mutex={27:0}] [L1837] 0 pthread_t counter_thread_id; VAL [\old(argc)=1153, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=0, mutex={27:0}] [L1838] 0 pthread_t monitor_thread_id; VAL [\old(argc)=1153, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=0, monitor_thread_id={28:0}, mutex={27:0}] [L1839] 0 end_time = time (((void *)0)) + 60 VAL [\old(argc)=1153, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=60, end_time = time (((void *)0)) + 60=1151, monitor_thread_id={28:0}, mutex={27:0}, time (((void *)0))=0] [L1840] EXPR, FCALL, FORK 0 pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0)) VAL [\old(argc)=1153, arg={0:0}, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=60, monitor_thread_id={28:0}, mutex={27:0}, pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0))=-1] [L1840] 0 status = pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0)) VAL [\old(argc)=1153, arg={0:0}, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=60, monitor_thread_id={28:0}, mutex={27:0}, pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0))=0, pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0))=-1, status=0] [L1841] COND FALSE 0 !(status != 0) VAL [\old(argc)=1153, arg={0:0}, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=60, monitor_thread_id={28:0}, mutex={27:0}, status=0] [L1843] FCALL, FORK 0 pthread_create (&monitor_thread_id, ((void *)0), monitor_thread, ((void *)0)) VAL [\old(argc)=1153, arg={0:0}, arg={0:0}, argc=1153, argv={1154:1152}, argv={1154:1152}, counter=0, counter_thread_id={29:0}, end_time=60, monitor_thread_id={28:0}, mutex={27:0}, pthread_create (&monitor_thread_id, ((void *)0), monitor_thread, ((void *)0))=0, status=0] [L1817] 2 int status; VAL [arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}] [L1801] 1 int status; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}] [L1802] 1 int spin; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}] [L1803] 1 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, time (((void *)0))=0] [L1803] COND TRUE 1 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, time (((void *)0))=0] [L1804] 1 status = pthread_mutex_lock (&mutex) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, pthread_mutex_lock (&mutex)=0, status=0] [L1805] COND FALSE 1 !(status != 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, status=0] [L1807] 1 spin = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, spin=0, status=0] [L1807] COND TRUE 1 spin < 10000000 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, spin=0, status=0] [L1808] 1 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={27:0}, spin=0, status=0] [L1818] 2 int misses = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={27:0}, spin=0, status=0] [L1819] 2 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={27:0}, spin=0, status=0, time (((void *)0))=0] [L1819] COND TRUE 2 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={27:0}, spin=0, status=0, time (((void *)0))=0] [L1821] 2 status = pthread_mutex_trylock (&mutex) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={27:0}, pthread_mutex_trylock (&mutex)=16, spin=0, status=16, status=0] [L1822] COND FALSE 2 !(status != 16) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={27:0}, spin=0, status=16, status=0] [L1830] 2 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={27:0}, spin=0, status=0, status=16] [L1808] 1 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, counter++=1150, counter++=0, end_time=60, misses=0, mutex={27:0}, spin=0, status=16, status=0] [L1830] 2 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, counter++=1150, counter++=0, end_time=60, misses=0, mutex={27:0}, spin=0, status=0, status=16] Now there is a data race on ~counter~0 between C: counter++ [1808] and C: counter++ [1830] - UnprovableResult [Line: 1819]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1824]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1830]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1828]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1803]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1806]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1811]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1839]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1842]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1845]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1846]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1848]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1849]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1851]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1840]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1843]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 361 locations, 31 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: 6.1s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 111 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=727occurred in iteration=9, InterpolantAutomatonStates: 34, 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, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 836 NumberOfCodeBlocks, 836 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 720 ConstructedInterpolants, 0 QuantifiedInterpolants, 1015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 13:55:52,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef6724af-4f4d-43b9-82ee-f9252113ff93/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE