./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc --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 a1dca423de1ee0965d72c4be0ada5e821e4dbfc023ab1c498b90df0e18b4c1f3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:59:48,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:59:48,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:59:48,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:59:48,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:59:48,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:59:48,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:59:48,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:59:48,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:59:48,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:59:48,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:59:48,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:59:48,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:59:48,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:59:48,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:59:48,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:59:48,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:59:48,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:59:48,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:59:48,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:59:48,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:59:48,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:59:48,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:59:48,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:59:48,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:59:48,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:59:48,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:59:48,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:59:48,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:59:48,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:59:48,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:59:48,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:59:48,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:59:48,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:59:48,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:59:48,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:59:48,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:59:48,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:59:48,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:59:48,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:59:48,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:59:48,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:59:48,702 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:59:48,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:59:48,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:59:48,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:59:48,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:59:48,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:59:48,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:59:48,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:59:48,705 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:59:48,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:59:48,706 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:59:48,707 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:59:48,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:59:48,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:59:48,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:59:48,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:59:48,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:59:48,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:59:48,708 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:59:48,708 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:59:48,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:59:48,709 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:59:48,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:59:48,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:59:48,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:59:48,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:59:48,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:59:48,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:59:48,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:59:48,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:59:48,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:59:48,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:59:48,711 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:59:48,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:59:48,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:59:48,712 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_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1dca423de1ee0965d72c4be0ada5e821e4dbfc023ab1c498b90df0e18b4c1f3 [2022-11-02 20:59:49,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:59:49,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:59:49,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:59:49,084 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:59:49,085 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:59:49,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i [2022-11-02 20:59:49,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/data/e47648a9f/028b0300f19b4c7ea47631ead00aafdf/FLAGc121638a3 [2022-11-02 20:59:49,810 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:59:49,811 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i [2022-11-02 20:59:49,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/data/e47648a9f/028b0300f19b4c7ea47631ead00aafdf/FLAGc121638a3 [2022-11-02 20:59:50,078 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/data/e47648a9f/028b0300f19b4c7ea47631ead00aafdf [2022-11-02 20:59:50,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:59:50,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:59:50,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:59:50,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:59:50,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:59:50,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:50,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e792e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50, skipping insertion in model container [2022-11-02 20:59:50,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:50,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:59:50,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:59:50,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30454,30467] [2022-11-02 20:59:50,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30634,30647] [2022-11-02 20:59:50,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:59:50,709 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:59:50,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30454,30467] [2022-11-02 20:59:50,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30634,30647] [2022-11-02 20:59:50,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:59:50,829 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:59:50,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50 WrapperNode [2022-11-02 20:59:50,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:59:50,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:59:50,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:59:50,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:59:50,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:50,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:50,921 INFO L138 Inliner]: procedures = 172, calls = 24, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 219 [2022-11-02 20:59:50,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:59:50,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:59:50,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:59:50,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:59:50,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:50,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:50,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:50,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:50,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:50,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:50,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:50,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:50,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:59:50,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:59:50,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:59:50,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:59:50,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50" (1/1) ... [2022-11-02 20:59:51,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:59:51,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:59:51,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:59:51,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71d4bb44-cc2e-4c2c-aec3-048baca2aebb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:59:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-02 20:59:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-02 20:59:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2022-11-02 20:59:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2022-11-02 20:59:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-02 20:59:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-02 20:59:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:59:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:59:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:59:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:59:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:59:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:59:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:59:51,093 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:59:51,289 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:59:51,291 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:59:51,657 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:59:51,892 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:59:51,893 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:59:51,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:51 BoogieIcfgContainer [2022-11-02 20:59:51,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:59:51,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:59:51,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:59:51,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:59:51,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:59:50" (1/3) ... [2022-11-02 20:59:51,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3248c133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:59:51, skipping insertion in model container [2022-11-02 20:59:51,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:50" (2/3) ... [2022-11-02 20:59:51,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3248c133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:59:51, skipping insertion in model container [2022-11-02 20:59:51,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:51" (3/3) ... [2022-11-02 20:59:51,908 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2022-11-02 20:59:51,923 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:59:51,934 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:59:51,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-02 20:59:51,935 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:59:52,064 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 20:59:52,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 162 places, 161 transitions, 337 flow [2022-11-02 20:59:52,231 INFO L130 PetriNetUnfolder]: 9/170 cut-off events. [2022-11-02 20:59:52,232 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:59:52,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 170 events. 9/170 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 439 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 153. Up to 4 conditions per place. [2022-11-02 20:59:52,241 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 161 transitions, 337 flow [2022-11-02 20:59:52,252 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 160 places, 159 transitions, 329 flow [2022-11-02 20:59:52,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:59:52,285 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1cedd5f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:59:52,286 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2022-11-02 20:59:52,296 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2022-11-02 20:59:52,296 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:59:52,297 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:59:52,297 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:52,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-02 20:59:52,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:52,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1783386939, now seen corresponding path program 1 times [2022-11-02 20:59:52,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:52,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967267720] [2022-11-02 20:59:52,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:52,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:52,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:59:52,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:59:52,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967267720] [2022-11-02 20:59:52,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967267720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:59:52,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:59:52,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:59:52,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133010024] [2022-11-02 20:59:52,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:59:52,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:59:52,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:59:52,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:59:52,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:59:52,651 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 161 [2022-11-02 20:59:52,657 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 159 transitions, 329 flow. Second operand has 2 states, 2 states have (on average 127.0) internal successors, (254), 2 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:52,657 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:59:52,658 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 161 [2022-11-02 20:59:52,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:59:52,958 INFO L130 PetriNetUnfolder]: 101/658 cut-off events. [2022-11-02 20:59:52,958 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-11-02 20:59:52,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 826 conditions, 658 events. 101/658 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3985 event pairs, 64 based on Foata normal form. 109/630 useless extension candidates. Maximal degree in co-relation 796. Up to 139 conditions per place. [2022-11-02 20:59:52,975 INFO L137 encePairwiseOnDemand]: 139/161 looper letters, 11 selfloop transitions, 0 changer transitions 0/128 dead transitions. [2022-11-02 20:59:52,975 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 128 transitions, 289 flow [2022-11-02 20:59:52,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:59:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-02 20:59:52,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 285 transitions. [2022-11-02 20:59:52,999 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8850931677018633 [2022-11-02 20:59:53,000 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 285 transitions. [2022-11-02 20:59:53,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 285 transitions. [2022-11-02 20:59:53,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:59:53,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 285 transitions. [2022-11-02 20:59:53,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 142.5) internal successors, (285), 2 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:53,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:53,020 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:53,023 INFO L175 Difference]: Start difference. First operand has 160 places, 159 transitions, 329 flow. Second operand 2 states and 285 transitions. [2022-11-02 20:59:53,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 128 transitions, 289 flow [2022-11-02 20:59:53,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 128 transitions, 287 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:59:53,037 INFO L231 Difference]: Finished difference. Result has 132 places, 128 transitions, 265 flow [2022-11-02 20:59:53,039 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=265, PETRI_PLACES=132, PETRI_TRANSITIONS=128} [2022-11-02 20:59:53,044 INFO L287 CegarLoopForPetriNet]: 160 programPoint places, -28 predicate places. [2022-11-02 20:59:53,044 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 128 transitions, 265 flow [2022-11-02 20:59:53,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 127.0) internal successors, (254), 2 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:53,045 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:59:53,046 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:53,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:59:53,048 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-02 20:59:53,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:53,049 INFO L85 PathProgramCache]: Analyzing trace with hash 140531785, now seen corresponding path program 1 times [2022-11-02 20:59:53,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:53,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562839612] [2022-11-02 20:59:53,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:53,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:53,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:59:53,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:59:53,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562839612] [2022-11-02 20:59:53,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562839612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:59:53,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:59:53,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:59:53,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015698006] [2022-11-02 20:59:53,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:59:53,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:59:53,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:59:53,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:59:53,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:59:53,173 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2022-11-02 20:59:53,174 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 128 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:53,174 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:59:53,174 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2022-11-02 20:59:53,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:59:54,045 INFO L130 PetriNetUnfolder]: 1448/4585 cut-off events. [2022-11-02 20:59:54,045 INFO L131 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2022-11-02 20:59:54,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6775 conditions, 4585 events. 1448/4585 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 43959 event pairs, 712 based on Foata normal form. 0/3672 useless extension candidates. Maximal degree in co-relation 6771. Up to 1590 conditions per place. [2022-11-02 20:59:54,101 INFO L137 encePairwiseOnDemand]: 154/161 looper letters, 38 selfloop transitions, 6 changer transitions 0/147 dead transitions. [2022-11-02 20:59:54,102 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 147 transitions, 396 flow [2022-11-02 20:59:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:59:54,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:59:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 381 transitions. [2022-11-02 20:59:54,106 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7888198757763976 [2022-11-02 20:59:54,107 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 381 transitions. [2022-11-02 20:59:54,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 381 transitions. [2022-11-02 20:59:54,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:59:54,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 381 transitions. [2022-11-02 20:59:54,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:54,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:54,114 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:54,114 INFO L175 Difference]: Start difference. First operand has 132 places, 128 transitions, 265 flow. Second operand 3 states and 381 transitions. [2022-11-02 20:59:54,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 147 transitions, 396 flow [2022-11-02 20:59:54,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 147 transitions, 396 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:59:54,122 INFO L231 Difference]: Finished difference. Result has 136 places, 133 transitions, 311 flow [2022-11-02 20:59:54,123 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=136, PETRI_TRANSITIONS=133} [2022-11-02 20:59:54,124 INFO L287 CegarLoopForPetriNet]: 160 programPoint places, -24 predicate places. [2022-11-02 20:59:54,124 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 133 transitions, 311 flow [2022-11-02 20:59:54,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:54,126 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:59:54,126 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:54,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:59:54,128 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-02 20:59:54,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:54,129 INFO L85 PathProgramCache]: Analyzing trace with hash -2019383162, now seen corresponding path program 1 times [2022-11-02 20:59:54,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:54,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569679484] [2022-11-02 20:59:54,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:54,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:59:54,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:59:54,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569679484] [2022-11-02 20:59:54,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569679484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:59:54,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:59:54,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:59:54,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621005014] [2022-11-02 20:59:54,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:59:54,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:59:54,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:59:54,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:59:54,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:59:54,234 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2022-11-02 20:59:54,234 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 133 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:54,235 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:59:54,235 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2022-11-02 20:59:54,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:59:55,215 INFO L130 PetriNetUnfolder]: 1624/5847 cut-off events. [2022-11-02 20:59:55,215 INFO L131 PetriNetUnfolder]: For 1082/1117 co-relation queries the response was YES. [2022-11-02 20:59:55,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9521 conditions, 5847 events. 1624/5847 cut-off events. For 1082/1117 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 60281 event pairs, 544 based on Foata normal form. 0/4868 useless extension candidates. Maximal degree in co-relation 9515. Up to 1321 conditions per place. [2022-11-02 20:59:55,294 INFO L137 encePairwiseOnDemand]: 153/161 looper letters, 41 selfloop transitions, 9 changer transitions 0/156 dead transitions. [2022-11-02 20:59:55,294 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 156 transitions, 490 flow [2022-11-02 20:59:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:59:55,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:59:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2022-11-02 20:59:55,298 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7991718426501035 [2022-11-02 20:59:55,298 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 386 transitions. [2022-11-02 20:59:55,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 386 transitions. [2022-11-02 20:59:55,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:59:55,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 386 transitions. [2022-11-02 20:59:55,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:55,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:55,302 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:55,302 INFO L175 Difference]: Start difference. First operand has 136 places, 133 transitions, 311 flow. Second operand 3 states and 386 transitions. [2022-11-02 20:59:55,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 156 transitions, 490 flow [2022-11-02 20:59:55,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 156 transitions, 468 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:59:55,318 INFO L231 Difference]: Finished difference. Result has 138 places, 142 transitions, 389 flow [2022-11-02 20:59:55,319 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=138, PETRI_TRANSITIONS=142} [2022-11-02 20:59:55,321 INFO L287 CegarLoopForPetriNet]: 160 programPoint places, -22 predicate places. [2022-11-02 20:59:55,322 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 142 transitions, 389 flow [2022-11-02 20:59:55,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:55,322 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:59:55,323 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:55,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:59:55,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-02 20:59:55,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:55,324 INFO L85 PathProgramCache]: Analyzing trace with hash 151294217, now seen corresponding path program 1 times [2022-11-02 20:59:55,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:55,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912377878] [2022-11-02 20:59:55,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:55,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:59:55,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:59:55,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912377878] [2022-11-02 20:59:55,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912377878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:59:55,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:59:55,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:59:55,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134879181] [2022-11-02 20:59:55,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:59:55,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:59:55,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:59:55,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:59:55,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:59:55,379 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2022-11-02 20:59:55,380 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 142 transitions, 389 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:55,380 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:59:55,381 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2022-11-02 20:59:55,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:59:57,233 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([755] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][148], [thr3Thread1of1ForFork1InUse, 24#L740-4true, 140#L729-3true, Black: 174#true, thr2Thread1of1ForFork2InUse, 88#L723-6true, 165#true, 180#true, 98#L716-1true, 176#(= |#race~g0~0| 0), Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), thr1Thread1of1ForFork0InUse]) [2022-11-02 20:59:57,233 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-02 20:59:57,233 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-02 20:59:57,234 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-02 20:59:57,234 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 20:59:57,280 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([701] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][51], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 174#true, 165#true, 180#true, 64#L723-7true, 82#L718-1true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 176#(= |#race~g0~0| 0), 89#L730true, thr1Thread1of1ForFork0InUse]) [2022-11-02 20:59:57,280 INFO L383 tUnfolder$Statistics]: this new event has 75 ancestors and is cut-off event [2022-11-02 20:59:57,280 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-02 20:59:57,280 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-02 20:59:57,281 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-02 20:59:57,338 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([701] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][51], [thr3Thread1of1ForFork1InUse, 24#L740-4true, 42#L730-2true, thr2Thread1of1ForFork2InUse, Black: 174#true, 165#true, 180#true, 64#L723-7true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 176#(= |#race~g0~0| 0), 82#L718-1true, thr1Thread1of1ForFork0InUse]) [2022-11-02 20:59:57,339 INFO L383 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2022-11-02 20:59:57,339 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-02 20:59:57,339 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-02 20:59:57,340 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-02 20:59:57,459 INFO L130 PetriNetUnfolder]: 4331/12400 cut-off events. [2022-11-02 20:59:57,460 INFO L131 PetriNetUnfolder]: For 1164/1489 co-relation queries the response was YES. [2022-11-02 20:59:57,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20589 conditions, 12400 events. 4331/12400 cut-off events. For 1164/1489 co-relation queries the response was YES. Maximal size of possible extension queue 537. Compared 136329 event pairs, 2087 based on Foata normal form. 14/10006 useless extension candidates. Maximal degree in co-relation 20582. Up to 4916 conditions per place. [2022-11-02 20:59:57,637 INFO L137 encePairwiseOnDemand]: 154/161 looper letters, 38 selfloop transitions, 6 changer transitions 0/161 dead transitions. [2022-11-02 20:59:57,638 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 161 transitions, 520 flow [2022-11-02 20:59:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:59:57,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:59:57,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 381 transitions. [2022-11-02 20:59:57,644 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7888198757763976 [2022-11-02 20:59:57,645 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 381 transitions. [2022-11-02 20:59:57,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 381 transitions. [2022-11-02 20:59:57,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:59:57,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 381 transitions. [2022-11-02 20:59:57,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:57,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:57,650 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:57,650 INFO L175 Difference]: Start difference. First operand has 138 places, 142 transitions, 389 flow. Second operand 3 states and 381 transitions. [2022-11-02 20:59:57,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 161 transitions, 520 flow [2022-11-02 20:59:57,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 161 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:59:57,658 INFO L231 Difference]: Finished difference. Result has 140 places, 147 transitions, 417 flow [2022-11-02 20:59:57,658 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=417, PETRI_PLACES=140, PETRI_TRANSITIONS=147} [2022-11-02 20:59:57,659 INFO L287 CegarLoopForPetriNet]: 160 programPoint places, -20 predicate places. [2022-11-02 20:59:57,660 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 147 transitions, 417 flow [2022-11-02 20:59:57,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:57,660 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:59:57,661 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:57,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:59:57,661 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-02 20:59:57,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:57,662 INFO L85 PathProgramCache]: Analyzing trace with hash 698022504, now seen corresponding path program 1 times [2022-11-02 20:59:57,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:57,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023388241] [2022-11-02 20:59:57,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:57,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:57,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:59:57,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:59:57,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023388241] [2022-11-02 20:59:57,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023388241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:59:57,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:59:57,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:59:57,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525450315] [2022-11-02 20:59:57,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:59:57,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:59:57,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:59:57,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:59:57,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:59:57,763 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2022-11-02 20:59:57,764 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 147 transitions, 417 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:59:57,764 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:59:57,764 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2022-11-02 20:59:57,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:59:59,632 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [130#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 64#L723-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 20:59:59,633 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-02 20:59:59,633 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-02 20:59:59,633 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-02 20:59:59,634 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-02 20:59:59,643 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 103#L729-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 20:59:59,643 INFO L383 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-11-02 20:59:59,643 INFO L386 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-11-02 20:59:59,643 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-02 20:59:59,644 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-02 20:59:59,866 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [130#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 20:59:59,866 INFO L383 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-11-02 20:59:59,867 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 20:59:59,867 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-02 20:59:59,867 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-02 20:59:59,878 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([755] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][155], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 88#L723-6true, 186#true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 140#L729-3true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 98#L716-1true, thr1Thread1of1ForFork0InUse]) [2022-11-02 20:59:59,878 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-02 20:59:59,878 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-02 20:59:59,878 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-02 20:59:59,879 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 20:59:59,880 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 7#L729-8true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 20:59:59,881 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-02 20:59:59,881 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-02 20:59:59,881 INFO L386 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-11-02 20:59:59,881 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 20:59:59,882 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, 96#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 20:59:59,882 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-02 20:59:59,883 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 20:59:59,883 INFO L386 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-11-02 20:59:59,883 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-02 20:59:59,884 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), Black: 174#true, 165#true, Black: 180#true, 7#L729-8true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 20:59:59,884 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-02 20:59:59,884 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-02 20:59:59,884 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 20:59:59,884 INFO L386 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-11-02 20:59:59,965 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 82#L718-1true, 89#L730true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 20:59:59,966 INFO L383 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-11-02 20:59:59,966 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-02 20:59:59,966 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-02 20:59:59,966 INFO L386 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2022-11-02 21:00:00,010 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 103#L729-7true, 64#L723-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,010 INFO L383 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2022-11-02 21:00:00,010 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-02 21:00:00,011 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-02 21:00:00,011 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-02 21:00:00,036 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [130#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, thr3Thread1of1ForFork1InUse, 24#L740-4true, 8#L723-14true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,036 INFO L383 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-11-02 21:00:00,037 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-02 21:00:00,037 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-02 21:00:00,037 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-02 21:00:00,045 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 42#L730-2true, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 165#true, 180#true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,046 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-02 21:00:00,046 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-02 21:00:00,046 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-02 21:00:00,046 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-02 21:00:00,080 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 7#L729-8true, 64#L723-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,081 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,081 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-02 21:00:00,081 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 21:00:00,081 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 21:00:00,085 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 103#L729-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,086 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,086 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-02 21:00:00,086 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 21:00:00,086 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 21:00:00,087 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 96#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 165#true, 180#true, 64#L723-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,088 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,088 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 21:00:00,088 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 21:00:00,088 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-02 21:00:00,089 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), Black: 174#true, 165#true, Black: 180#true, 7#L729-8true, 64#L723-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,089 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,091 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-02 21:00:00,092 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 21:00:00,092 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 21:00:00,141 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 64#L723-7true, 82#L718-1true, 89#L730true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,141 INFO L383 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-11-02 21:00:00,141 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-02 21:00:00,142 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-02 21:00:00,142 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-02 21:00:00,144 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 7#L729-8true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,147 INFO L383 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-11-02 21:00:00,147 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-02 21:00:00,147 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-02 21:00:00,147 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-02 21:00:00,151 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, 96#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,151 INFO L383 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-11-02 21:00:00,151 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-02 21:00:00,152 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-02 21:00:00,152 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-02 21:00:00,152 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), Black: 174#true, 165#true, Black: 180#true, 7#L729-8true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,153 INFO L383 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-11-02 21:00:00,153 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-02 21:00:00,153 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-02 21:00:00,153 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-02 21:00:00,169 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [130#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,169 INFO L383 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2022-11-02 21:00:00,169 INFO L386 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-11-02 21:00:00,169 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,170 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-02 21:00:00,196 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), 89#L730true, thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,196 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-02 21:00:00,196 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-02 21:00:00,197 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-02 21:00:00,197 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-02 21:00:00,197 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 42#L730-2true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 64#L723-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,198 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-02 21:00:00,198 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-02 21:00:00,198 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-02 21:00:00,198 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-02 21:00:00,202 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 8#L723-14true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 103#L729-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,202 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-02 21:00:00,202 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-02 21:00:00,202 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-02 21:00:00,203 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-02 21:00:00,237 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 42#L730-2true, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,237 INFO L383 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-11-02 21:00:00,237 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,237 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,238 INFO L386 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-11-02 21:00:00,239 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 8#L723-14true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 7#L729-8true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,239 INFO L383 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-11-02 21:00:00,239 INFO L386 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-11-02 21:00:00,239 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,240 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,242 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 8#L723-14true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, 96#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,243 INFO L383 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-11-02 21:00:00,243 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,243 INFO L386 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-11-02 21:00:00,247 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,248 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 8#L723-14true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), Black: 174#true, 165#true, Black: 180#true, 7#L729-8true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,248 INFO L383 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-11-02 21:00:00,249 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,249 INFO L386 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-11-02 21:00:00,249 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 21:00:00,275 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 8#L723-14true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), 89#L730true, thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,275 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-02 21:00:00,275 INFO L386 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-11-02 21:00:00,275 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-02 21:00:00,275 INFO L386 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-11-02 21:00:00,297 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 8#L723-14true, 42#L730-2true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-02 21:00:00,298 INFO L383 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2022-11-02 21:00:00,298 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-02 21:00:00,298 INFO L386 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-11-02 21:00:00,298 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-02 21:00:00,382 INFO L130 PetriNetUnfolder]: 5040/15833 cut-off events. [2022-11-02 21:00:00,383 INFO L131 PetriNetUnfolder]: For 4082/5475 co-relation queries the response was YES. [2022-11-02 21:00:00,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29087 conditions, 15833 events. 5040/15833 cut-off events. For 4082/5475 co-relation queries the response was YES. Maximal size of possible extension queue 663. Compared 184854 event pairs, 1178 based on Foata normal form. 17/13297 useless extension candidates. Maximal degree in co-relation 29079. Up to 3977 conditions per place. [2022-11-02 21:00:00,589 INFO L137 encePairwiseOnDemand]: 153/161 looper letters, 41 selfloop transitions, 9 changer transitions 0/170 dead transitions. [2022-11-02 21:00:00,590 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 170 transitions, 596 flow [2022-11-02 21:00:00,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:00:00,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:00:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2022-11-02 21:00:00,592 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7991718426501035 [2022-11-02 21:00:00,592 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 386 transitions. [2022-11-02 21:00:00,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 386 transitions. [2022-11-02 21:00:00,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:00:00,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 386 transitions. [2022-11-02 21:00:00,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:00,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:00,596 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:00,596 INFO L175 Difference]: Start difference. First operand has 140 places, 147 transitions, 417 flow. Second operand 3 states and 386 transitions. [2022-11-02 21:00:00,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 170 transitions, 596 flow [2022-11-02 21:00:00,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 170 transitions, 574 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:00:00,736 INFO L231 Difference]: Finished difference. Result has 142 places, 156 transitions, 495 flow [2022-11-02 21:00:00,737 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=495, PETRI_PLACES=142, PETRI_TRANSITIONS=156} [2022-11-02 21:00:00,740 INFO L287 CegarLoopForPetriNet]: 160 programPoint places, -18 predicate places. [2022-11-02 21:00:00,741 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 156 transitions, 495 flow [2022-11-02 21:00:00,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:00,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:00:00,742 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:00,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:00:00,742 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-02 21:00:00,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:00,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1194902172, now seen corresponding path program 1 times [2022-11-02 21:00:00,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:00,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657061265] [2022-11-02 21:00:00,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:00,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:00:00,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:00,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657061265] [2022-11-02 21:00:00,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657061265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:00,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:00,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:00:00,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849583025] [2022-11-02 21:00:00,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:00,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:00:00,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:00,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:00:00,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:00:00,907 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 161 [2022-11-02 21:00:00,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 156 transitions, 495 flow. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:00,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:00:00,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 161 [2022-11-02 21:00:00,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:00:01,044 INFO L130 PetriNetUnfolder]: 54/657 cut-off events. [2022-11-02 21:00:01,044 INFO L131 PetriNetUnfolder]: For 117/117 co-relation queries the response was YES. [2022-11-02 21:00:01,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1027 conditions, 657 events. 54/657 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3817 event pairs, 8 based on Foata normal form. 51/644 useless extension candidates. Maximal degree in co-relation 1018. Up to 60 conditions per place. [2022-11-02 21:00:01,049 INFO L137 encePairwiseOnDemand]: 153/161 looper letters, 6 selfloop transitions, 8 changer transitions 0/132 dead transitions. [2022-11-02 21:00:01,050 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 132 transitions, 394 flow [2022-11-02 21:00:01,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:00:01,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:00:01,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2022-11-02 21:00:01,052 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8136645962732919 [2022-11-02 21:00:01,052 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 393 transitions. [2022-11-02 21:00:01,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 393 transitions. [2022-11-02 21:00:01,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:00:01,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 393 transitions. [2022-11-02 21:00:01,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:01,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:01,056 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:01,056 INFO L175 Difference]: Start difference. First operand has 142 places, 156 transitions, 495 flow. Second operand 3 states and 393 transitions. [2022-11-02 21:00:01,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 132 transitions, 394 flow [2022-11-02 21:00:01,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 132 transitions, 338 flow, removed 18 selfloop flow, removed 6 redundant places. [2022-11-02 21:00:01,062 INFO L231 Difference]: Finished difference. Result has 132 places, 130 transitions, 317 flow [2022-11-02 21:00:01,063 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=317, PETRI_PLACES=132, PETRI_TRANSITIONS=130} [2022-11-02 21:00:01,063 INFO L287 CegarLoopForPetriNet]: 160 programPoint places, -28 predicate places. [2022-11-02 21:00:01,063 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 130 transitions, 317 flow [2022-11-02 21:00:01,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:01,064 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:00:01,064 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:01,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:00:01,065 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-02 21:00:01,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:01,065 INFO L85 PathProgramCache]: Analyzing trace with hash 562417071, now seen corresponding path program 1 times [2022-11-02 21:00:01,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:01,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746524089] [2022-11-02 21:00:01,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:01,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:01,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:00:01,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:01,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746524089] [2022-11-02 21:00:01,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746524089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:01,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:01,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:00:01,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143179998] [2022-11-02 21:00:01,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:01,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:00:01,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:01,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:00:01,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:00:01,106 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 161 [2022-11-02 21:00:01,107 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 130 transitions, 317 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:01,107 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:00:01,107 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 161 [2022-11-02 21:00:01,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:00:01,461 INFO L130 PetriNetUnfolder]: 410/1720 cut-off events. [2022-11-02 21:00:01,461 INFO L131 PetriNetUnfolder]: For 246/247 co-relation queries the response was YES. [2022-11-02 21:00:01,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2990 conditions, 1720 events. 410/1720 cut-off events. For 246/247 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 12891 event pairs, 148 based on Foata normal form. 0/1501 useless extension candidates. Maximal degree in co-relation 2983. Up to 517 conditions per place. [2022-11-02 21:00:01,479 INFO L137 encePairwiseOnDemand]: 155/161 looper letters, 33 selfloop transitions, 5 changer transitions 0/146 dead transitions. [2022-11-02 21:00:01,479 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 146 transitions, 442 flow [2022-11-02 21:00:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:00:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:00:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2022-11-02 21:00:01,481 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7950310559006211 [2022-11-02 21:00:01,481 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 384 transitions. [2022-11-02 21:00:01,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 384 transitions. [2022-11-02 21:00:01,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:00:01,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 384 transitions. [2022-11-02 21:00:01,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:01,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:01,485 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:01,485 INFO L175 Difference]: Start difference. First operand has 132 places, 130 transitions, 317 flow. Second operand 3 states and 384 transitions. [2022-11-02 21:00:01,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 146 transitions, 442 flow [2022-11-02 21:00:01,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 146 transitions, 428 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:00:01,490 INFO L231 Difference]: Finished difference. Result has 135 places, 134 transitions, 347 flow [2022-11-02 21:00:01,491 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=309, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=347, PETRI_PLACES=135, PETRI_TRANSITIONS=134} [2022-11-02 21:00:01,491 INFO L287 CegarLoopForPetriNet]: 160 programPoint places, -25 predicate places. [2022-11-02 21:00:01,492 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 134 transitions, 347 flow [2022-11-02 21:00:01,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:01,492 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:00:01,493 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:01,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:00:01,493 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-02 21:00:01,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:01,494 INFO L85 PathProgramCache]: Analyzing trace with hash 420158866, now seen corresponding path program 1 times [2022-11-02 21:00:01,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:01,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559251120] [2022-11-02 21:00:01,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:01,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:00:01,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:00:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:00:01,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:00:01,546 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 21:00:01,547 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 59 remaining) [2022-11-02 21:00:01,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2022-11-02 21:00:01,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2022-11-02 21:00:01,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2022-11-02 21:00:01,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2022-11-02 21:00:01,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2022-11-02 21:00:01,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2022-11-02 21:00:01,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err0ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2022-11-02 21:00:01,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err1ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2022-11-02 21:00:01,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err5ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2022-11-02 21:00:01,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err6ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2022-11-02 21:00:01,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err7ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2022-11-02 21:00:01,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err8ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2022-11-02 21:00:01,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err2ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2022-11-02 21:00:01,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err9ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2022-11-02 21:00:01,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err13ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2022-11-02 21:00:01,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err14ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2022-11-02 21:00:01,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err3ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2022-11-02 21:00:01,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err10ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2022-11-02 21:00:01,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err11ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2022-11-02 21:00:01,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err4ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2022-11-02 21:00:01,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err12ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2022-11-02 21:00:01,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2022-11-02 21:00:01,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2022-11-02 21:00:01,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2022-11-02 21:00:01,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2022-11-02 21:00:01,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2022-11-02 21:00:01,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2022-11-02 21:00:01,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2022-11-02 21:00:01,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 59 remaining) [2022-11-02 21:00:01,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 59 remaining) [2022-11-02 21:00:01,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2022-11-02 21:00:01,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2022-11-02 21:00:01,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2022-11-02 21:00:01,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining) [2022-11-02 21:00:01,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (23 of 59 remaining) [2022-11-02 21:00:01,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2022-11-02 21:00:01,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err0ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2022-11-02 21:00:01,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err1ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2022-11-02 21:00:01,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err5ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2022-11-02 21:00:01,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err6ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2022-11-02 21:00:01,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err7ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2022-11-02 21:00:01,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err8ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2022-11-02 21:00:01,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err2ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2022-11-02 21:00:01,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err9ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2022-11-02 21:00:01,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err13ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2022-11-02 21:00:01,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err14ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2022-11-02 21:00:01,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err3ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2022-11-02 21:00:01,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err10ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2022-11-02 21:00:01,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err11ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2022-11-02 21:00:01,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err4ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2022-11-02 21:00:01,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err12ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2022-11-02 21:00:01,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2022-11-02 21:00:01,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2022-11-02 21:00:01,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2022-11-02 21:00:01,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2022-11-02 21:00:01,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2022-11-02 21:00:01,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2022-11-02 21:00:01,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2022-11-02 21:00:01,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:00:01,563 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:01,574 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-02 21:00:01,574 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-02 21:00:01,668 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 21:00:01,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 278 places, 278 transitions, 592 flow [2022-11-02 21:00:01,752 INFO L130 PetriNetUnfolder]: 14/249 cut-off events. [2022-11-02 21:00:01,753 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 21:00:01,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 249 events. 14/249 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 836 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 260. Up to 6 conditions per place. [2022-11-02 21:00:01,756 INFO L82 GeneralOperation]: Start removeDead. Operand has 278 places, 278 transitions, 592 flow [2022-11-02 21:00:01,764 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 225 transitions, 468 flow [2022-11-02 21:00:01,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:00:01,771 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1cedd5f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:00:01,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2022-11-02 21:00:01,774 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2022-11-02 21:00:01,774 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 21:00:01,775 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:00:01,775 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:01,775 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 21:00:01,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:01,776 INFO L85 PathProgramCache]: Analyzing trace with hash -702568457, now seen corresponding path program 1 times [2022-11-02 21:00:01,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:01,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467898231] [2022-11-02 21:00:01,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:01,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:01,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:00:01,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:01,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467898231] [2022-11-02 21:00:01,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467898231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:01,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:01,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 21:00:01,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680170540] [2022-11-02 21:00:01,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:01,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 21:00:01,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:01,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 21:00:01,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:00:01,809 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 278 [2022-11-02 21:00:01,810 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 225 transitions, 468 flow. Second operand has 2 states, 2 states have (on average 211.0) internal successors, (422), 2 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:01,811 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:00:01,811 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 278 [2022-11-02 21:00:01,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:00:02,619 INFO L130 PetriNetUnfolder]: 828/4174 cut-off events. [2022-11-02 21:00:02,619 INFO L131 PetriNetUnfolder]: For 148/148 co-relation queries the response was YES. [2022-11-02 21:00:02,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5259 conditions, 4174 events. 828/4174 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 42398 event pairs, 544 based on Foata normal form. 615/3928 useless extension candidates. Maximal degree in co-relation 5228. Up to 919 conditions per place. [2022-11-02 21:00:02,688 INFO L137 encePairwiseOnDemand]: 247/278 looper letters, 16 selfloop transitions, 0 changer transitions 0/184 dead transitions. [2022-11-02 21:00:02,688 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 184 transitions, 418 flow [2022-11-02 21:00:02,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 21:00:02,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-02 21:00:02,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 467 transitions. [2022-11-02 21:00:02,690 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8399280575539568 [2022-11-02 21:00:02,690 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 467 transitions. [2022-11-02 21:00:02,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 467 transitions. [2022-11-02 21:00:02,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:00:02,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 467 transitions. [2022-11-02 21:00:02,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 233.5) internal successors, (467), 2 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:02,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:02,694 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:02,694 INFO L175 Difference]: Start difference. First operand has 224 places, 225 transitions, 468 flow. Second operand 2 states and 467 transitions. [2022-11-02 21:00:02,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 184 transitions, 418 flow [2022-11-02 21:00:02,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 184 transitions, 414 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-02 21:00:02,698 INFO L231 Difference]: Finished difference. Result has 187 places, 184 transitions, 382 flow [2022-11-02 21:00:02,699 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=382, PETRI_PLACES=187, PETRI_TRANSITIONS=184} [2022-11-02 21:00:02,699 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -37 predicate places. [2022-11-02 21:00:02,699 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 184 transitions, 382 flow [2022-11-02 21:00:02,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 211.0) internal successors, (422), 2 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:02,700 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:00:02,700 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:02,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 21:00:02,701 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 21:00:02,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:02,701 INFO L85 PathProgramCache]: Analyzing trace with hash -271610757, now seen corresponding path program 1 times [2022-11-02 21:00:02,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:02,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596046022] [2022-11-02 21:00:02,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:02,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:02,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:00:02,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:02,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596046022] [2022-11-02 21:00:02,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596046022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:02,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:02,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:00:02,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302930641] [2022-11-02 21:00:02,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:02,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:00:02,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:02,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:00:02,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:00:02,746 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 278 [2022-11-02 21:00:02,747 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 184 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:02,747 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:00:02,747 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 278 [2022-11-02 21:00:02,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:00:12,190 INFO L130 PetriNetUnfolder]: 24792/64396 cut-off events. [2022-11-02 21:00:12,190 INFO L131 PetriNetUnfolder]: For 2018/2018 co-relation queries the response was YES. [2022-11-02 21:00:12,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97394 conditions, 64396 events. 24792/64396 cut-off events. For 2018/2018 co-relation queries the response was YES. Maximal size of possible extension queue 2456. Compared 844171 event pairs, 13489 based on Foata normal form. 0/50259 useless extension candidates. Maximal degree in co-relation 97389. Up to 24503 conditions per place. [2022-11-02 21:00:12,974 INFO L137 encePairwiseOnDemand]: 269/278 looper letters, 58 selfloop transitions, 8 changer transitions 0/214 dead transitions. [2022-11-02 21:00:12,974 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 214 transitions, 584 flow [2022-11-02 21:00:12,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:00:12,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:00:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 619 transitions. [2022-11-02 21:00:12,977 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7422062350119905 [2022-11-02 21:00:12,978 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 619 transitions. [2022-11-02 21:00:12,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 619 transitions. [2022-11-02 21:00:12,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:00:12,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 619 transitions. [2022-11-02 21:00:12,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:12,982 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) [2022-11-02 21:00:12,982 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) [2022-11-02 21:00:12,983 INFO L175 Difference]: Start difference. First operand has 187 places, 184 transitions, 382 flow. Second operand 3 states and 619 transitions. [2022-11-02 21:00:12,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 214 transitions, 584 flow [2022-11-02 21:00:12,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 214 transitions, 584 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 21:00:12,988 INFO L231 Difference]: Finished difference. Result has 191 places, 191 transitions, 444 flow [2022-11-02 21:00:12,989 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=191, PETRI_TRANSITIONS=191} [2022-11-02 21:00:12,990 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -33 predicate places. [2022-11-02 21:00:12,990 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 191 transitions, 444 flow [2022-11-02 21:00:12,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:12,991 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:00:12,991 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:12,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:00:12,991 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 21:00:12,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:12,993 INFO L85 PathProgramCache]: Analyzing trace with hash 630105228, now seen corresponding path program 1 times [2022-11-02 21:00:12,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:12,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479737389] [2022-11-02 21:00:12,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:12,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:00:13,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:13,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479737389] [2022-11-02 21:00:13,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479737389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:13,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:13,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:00:13,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689132839] [2022-11-02 21:00:13,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:13,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:00:13,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:13,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:00:13,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:00:13,041 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 278 [2022-11-02 21:00:13,041 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 191 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:13,042 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:00:13,042 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 278 [2022-11-02 21:00:13,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:00:28,424 INFO L130 PetriNetUnfolder]: 32310/90454 cut-off events. [2022-11-02 21:00:28,424 INFO L131 PetriNetUnfolder]: For 19151/20691 co-relation queries the response was YES. [2022-11-02 21:00:28,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151595 conditions, 90454 events. 32310/90454 cut-off events. For 19151/20691 co-relation queries the response was YES. Maximal size of possible extension queue 3400. Compared 1280636 event pairs, 11055 based on Foata normal form. 11/73346 useless extension candidates. Maximal degree in co-relation 151588. Up to 22123 conditions per place. [2022-11-02 21:00:29,535 INFO L137 encePairwiseOnDemand]: 266/278 looper letters, 61 selfloop transitions, 14 changer transitions 0/226 dead transitions. [2022-11-02 21:00:29,535 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 226 transitions, 714 flow [2022-11-02 21:00:29,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:00:29,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:00:29,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2022-11-02 21:00:29,538 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7482014388489209 [2022-11-02 21:00:29,538 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 624 transitions. [2022-11-02 21:00:29,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 624 transitions. [2022-11-02 21:00:29,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:00:29,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 624 transitions. [2022-11-02 21:00:29,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:29,542 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) [2022-11-02 21:00:29,543 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) [2022-11-02 21:00:29,543 INFO L175 Difference]: Start difference. First operand has 191 places, 191 transitions, 444 flow. Second operand 3 states and 624 transitions. [2022-11-02 21:00:29,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 226 transitions, 714 flow [2022-11-02 21:00:29,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 226 transitions, 684 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:00:29,937 INFO L231 Difference]: Finished difference. Result has 193 places, 205 transitions, 568 flow [2022-11-02 21:00:29,937 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=568, PETRI_PLACES=193, PETRI_TRANSITIONS=205} [2022-11-02 21:00:29,938 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -31 predicate places. [2022-11-02 21:00:29,938 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 205 transitions, 568 flow [2022-11-02 21:00:29,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:29,939 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:00:29,939 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:29,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 21:00:29,940 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-02 21:00:29,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:29,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1768666209, now seen corresponding path program 1 times [2022-11-02 21:00:29,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:29,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885190279] [2022-11-02 21:00:29,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:29,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:29,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:00:29,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:29,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885190279] [2022-11-02 21:00:29,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885190279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:29,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:29,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:00:29,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830715170] [2022-11-02 21:00:29,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:29,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:00:29,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:29,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:00:29,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:00:29,974 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 278 [2022-11-02 21:00:29,975 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 205 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:29,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:00:29,976 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 278 [2022-11-02 21:00:29,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:00:40,309 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1120] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][184], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1NotInUse, 165#L716-1true, 296#true, 89#L723-6true]) [2022-11-02 21:00:40,309 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-02 21:00:40,309 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 21:00:40,309 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-02 21:00:40,309 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-02 21:00:41,903 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, 100#L723-7true, thr2Thread1of2ForFork2InUse, 217#L718-1true, 211#L730true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1NotInUse, 296#true]) [2022-11-02 21:00:41,904 INFO L383 tUnfolder$Statistics]: this new event has 75 ancestors and is cut-off event [2022-11-02 21:00:41,904 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-02 21:00:41,904 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-02 21:00:41,904 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-02 21:00:43,589 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 100#L723-7true, thr2Thread1of2ForFork2InUse, 217#L718-1true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1NotInUse, 257#L730-2true, 296#true]) [2022-11-02 21:00:43,589 INFO L383 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2022-11-02 21:00:43,589 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-02 21:00:43,589 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-02 21:00:43,590 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-02 21:00:56,784 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1120] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][184], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 165#L716-1true, 296#true, 121#thr3ENTRYtrue, 89#L723-6true]) [2022-11-02 21:00:56,785 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-02 21:00:56,785 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-02 21:00:56,785 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-02 21:00:56,785 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-02 21:00:56,802 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1055] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][220], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 43#L716-1true, 215#thr3ENTRYtrue, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true, 89#L723-6true]) [2022-11-02 21:00:56,802 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-02 21:00:56,802 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-02 21:00:56,802 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-02 21:00:56,802 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-02 21:00:58,384 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, 100#L723-7true, thr2Thread1of2ForFork2InUse, 217#L718-1true, 211#L730true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true, 121#thr3ENTRYtrue]) [2022-11-02 21:00:58,384 INFO L383 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2022-11-02 21:00:58,384 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-02 21:00:58,384 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-02 21:00:58,384 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-02 21:00:58,391 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 100#L723-7true, 36#L718-1true, 215#thr3ENTRYtrue, thr2Thread1of2ForFork2InUse, 211#L730true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true]) [2022-11-02 21:00:58,391 INFO L383 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2022-11-02 21:00:58,391 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-02 21:00:58,391 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-02 21:00:58,392 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-02 21:01:00,928 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15|) (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0)) (= v_~mutex~0_250 0)) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15|, #race~mutex~0=|v_#race~mutex~0_321|, thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1, #race~mutex~0, thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1, ~mutex~0][120], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 36#L718-1true, thr2Thread1of2ForFork2InUse, 217#L718-1true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 199#thr2ENTRYtrue, 296#true, 212#thr1ENTRYtrue]) [2022-11-02 21:01:00,928 INFO L383 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2022-11-02 21:01:00,929 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-02 21:01:00,929 INFO L386 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-11-02 21:01:00,929 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-02 21:01:01,274 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 100#L723-7true, thr2Thread1of2ForFork2InUse, 217#L718-1true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 257#L730-2true, 296#true, 121#thr3ENTRYtrue]) [2022-11-02 21:01:01,274 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-02 21:01:01,274 INFO L386 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2022-11-02 21:01:01,274 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-02 21:01:01,275 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-02 21:01:01,279 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 100#L723-7true, 36#L718-1true, 215#thr3ENTRYtrue, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 257#L730-2true, 296#true]) [2022-11-02 21:01:01,279 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-02 21:01:01,280 INFO L386 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2022-11-02 21:01:01,280 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-02 21:01:01,280 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-02 21:01:02,462 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1120] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][184], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, thr2Thread1of2ForFork2InUse, 197#L704-2true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 165#L716-1true, 296#true, 89#L723-6true]) [2022-11-02 21:01:02,462 INFO L383 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2022-11-02 21:01:02,462 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-02 21:01:02,462 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-02 21:01:02,462 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-02 21:01:02,473 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1055] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][220], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 43#L716-1true, 71#L707-3true, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true, 89#L723-6true]) [2022-11-02 21:01:02,473 INFO L383 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2022-11-02 21:01:02,474 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 21:01:02,474 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-02 21:01:02,474 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-02 21:01:02,474 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1055] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][220], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 43#L716-1true, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true, 93#L704-2true, 89#L723-6true]) [2022-11-02 21:01:02,474 INFO L383 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2022-11-02 21:01:02,474 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-02 21:01:02,474 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-02 21:01:02,475 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-02 21:01:04,292 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 100#L723-7true, thr2Thread1of2ForFork2InUse, 197#L704-2true, 217#L718-1true, 211#L730true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true]) [2022-11-02 21:01:04,293 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-02 21:01:04,293 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-02 21:01:04,293 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-02 21:01:04,293 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-02 21:01:04,296 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, 100#L723-7true, 36#L718-1true, thr2Thread1of2ForFork2InUse, 211#L730true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true, 93#L704-2true]) [2022-11-02 21:01:04,297 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-02 21:01:04,297 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-02 21:01:04,297 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-02 21:01:04,297 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event