./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/07_rand.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/07_rand.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8 --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 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 --- 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-2329fc7 [2022-12-13 12:23:50,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:23:50,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:23:50,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:23:50,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:23:50,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:23:50,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:23:50,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:23:50,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:23:50,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:23:50,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:23:50,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:23:50,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:23:50,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:23:50,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:23:50,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:23:50,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:23:50,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:23:50,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:23:50,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:23:50,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:23:50,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:23:50,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:23:50,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:23:50,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:23:50,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:23:50,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:23:50,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:23:50,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:23:50,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:23:50,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:23:50,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:23:50,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:23:50,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:23:50,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:23:50,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:23:50,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:23:50,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:23:50,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:23:50,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:23:50,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:23:50,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 12:23:50,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:23:50,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:23:50,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:23:50,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:23:50,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:23:50,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:23:50,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:23:50,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:23:50,295 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:23:50,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:23:50,295 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:23:50,296 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:23:50,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:23:50,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:23:50,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:23:50,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:23:50,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:23:50,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:23:50,296 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 12:23:50,297 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:23:50,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:23:50,297 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:23:50,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:23:50,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:23:50,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:23:50,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:23:50,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:23:50,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:23:50,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:23:50,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:23:50,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:23:50,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:23:50,298 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:23:50,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:23:50,304 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:23:50,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:23:50,304 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:23:50,304 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 [2022-12-13 12:23:50,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:23:50,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:23:50,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:23:50,482 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:23:50,482 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:23:50,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-ext/07_rand.i [2022-12-13 12:23:52,988 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:23:53,149 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:23:53,149 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/sv-benchmarks/c/pthread-ext/07_rand.i [2022-12-13 12:23:53,157 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/data/f939be6a3/04a844b4c99f490cb3bd2fdca9f35418/FLAG1299474db [2022-12-13 12:23:53,570 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/data/f939be6a3/04a844b4c99f490cb3bd2fdca9f35418 [2022-12-13 12:23:53,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:23:53,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:23:53,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:23:53,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:23:53,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:23:53,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f75753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53, skipping insertion in model container [2022-12-13 12:23:53,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:23:53,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:23:53,813 WARN L237 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_9b17d68d-9892-481d-b9f6-f7a85956aa31/sv-benchmarks/c/pthread-ext/07_rand.i[30402,30415] [2022-12-13 12:23:53,815 WARN L237 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_9b17d68d-9892-481d-b9f6-f7a85956aa31/sv-benchmarks/c/pthread-ext/07_rand.i[30630,30643] [2022-12-13 12:23:53,817 WARN L237 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_9b17d68d-9892-481d-b9f6-f7a85956aa31/sv-benchmarks/c/pthread-ext/07_rand.i[30891,30904] [2022-12-13 12:23:53,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:23:53,829 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:23:53,853 WARN L237 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_9b17d68d-9892-481d-b9f6-f7a85956aa31/sv-benchmarks/c/pthread-ext/07_rand.i[30402,30415] [2022-12-13 12:23:53,854 WARN L237 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_9b17d68d-9892-481d-b9f6-f7a85956aa31/sv-benchmarks/c/pthread-ext/07_rand.i[30630,30643] [2022-12-13 12:23:53,855 WARN L237 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_9b17d68d-9892-481d-b9f6-f7a85956aa31/sv-benchmarks/c/pthread-ext/07_rand.i[30891,30904] [2022-12-13 12:23:53,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:23:53,879 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:23:53,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53 WrapperNode [2022-12-13 12:23:53,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:23:53,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:23:53,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:23:53,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:23:53,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,911 INFO L138 Inliner]: procedures = 174, calls = 21, calls flagged for inlining = 13, calls inlined = 16, statements flattened = 162 [2022-12-13 12:23:53,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:23:53,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:23:53,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:23:53,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:23:53,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:23:53,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:23:53,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:23:53,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:23:53,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53" (1/1) ... [2022-12-13 12:23:53,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:23:53,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:23:53,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:23:53,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b17d68d-9892-481d-b9f6-f7a85956aa31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:23:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-13 12:23:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-13 12:23:53,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:23:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:23:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:23:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:23:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:23:53,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:23:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:23:53,993 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 12:23:54,082 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:23:54,084 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:23:54,276 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:23:54,350 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:23:54,350 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 12:23:54,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:23:54 BoogieIcfgContainer [2022-12-13 12:23:54,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:23:54,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:23:54,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:23:54,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:23:54,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:23:53" (1/3) ... [2022-12-13 12:23:54,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7494a156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:23:54, skipping insertion in model container [2022-12-13 12:23:54,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:23:53" (2/3) ... [2022-12-13 12:23:54,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7494a156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:23:54, skipping insertion in model container [2022-12-13 12:23:54,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:23:54" (3/3) ... [2022-12-13 12:23:54,358 INFO L112 eAbstractionObserver]: Analyzing ICFG 07_rand.i [2022-12-13 12:23:54,364 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 12:23:54,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:23:54,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-12-13 12:23:54,372 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:23:54,421 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 12:23:54,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 131 transitions, 267 flow [2022-12-13 12:23:54,500 INFO L130 PetriNetUnfolder]: 11/142 cut-off events. [2022-12-13 12:23:54,500 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:23:54,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 142 events. 11/142 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 215 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 113. Up to 4 conditions per place. [2022-12-13 12:23:54,504 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 131 transitions, 267 flow [2022-12-13 12:23:54,508 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 131 transitions, 267 flow [2022-12-13 12:23:54,510 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:23:54,518 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 131 transitions, 267 flow [2022-12-13 12:23:54,520 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 131 transitions, 267 flow [2022-12-13 12:23:54,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 131 transitions, 267 flow [2022-12-13 12:23:54,539 INFO L130 PetriNetUnfolder]: 11/142 cut-off events. [2022-12-13 12:23:54,539 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:23:54,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 142 events. 11/142 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 215 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 113. Up to 4 conditions per place. [2022-12-13 12:23:54,541 INFO L119 LiptonReduction]: Number of co-enabled transitions 2800 [2022-12-13 12:23:57,478 INFO L134 LiptonReduction]: Checked pairs total: 2797 [2022-12-13 12:23:57,478 INFO L136 LiptonReduction]: Total number of compositions: 167 [2022-12-13 12:23:57,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:23:57,493 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;@7cb0f277, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:23:57,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-12-13 12:23:57,495 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-12-13 12:23:57,495 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:23:57,496 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:23:57,496 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 12:23:57,496 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2022-12-13 12:23:57,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:23:57,500 INFO L85 PathProgramCache]: Analyzing trace with hash 24512916, now seen corresponding path program 1 times [2022-12-13 12:23:57,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:23:57,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244933383] [2022-12-13 12:23:57,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:23:57,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:23:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:23:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:23:57,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:23:57,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244933383] [2022-12-13 12:23:57,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244933383] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:23:57,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:23:57,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 12:23:57,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092395328] [2022-12-13 12:23:57,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:23:57,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 12:23:57,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:23:57,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 12:23:57,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 12:23:57,637 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 298 [2022-12-13 12:23:57,639 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 29 transitions, 63 flow. Second operand has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:23:57,639 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:23:57,639 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 298 [2022-12-13 12:23:57,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:23:57,660 INFO L130 PetriNetUnfolder]: 15/33 cut-off events. [2022-12-13 12:23:57,660 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:23:57,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 33 events. 15/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 66 event pairs, 6 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 52. Up to 30 conditions per place. [2022-12-13 12:23:57,661 INFO L137 encePairwiseOnDemand]: 280/298 looper letters, 10 selfloop transitions, 0 changer transitions 0/11 dead transitions. [2022-12-13 12:23:57,662 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 11 transitions, 47 flow [2022-12-13 12:23:57,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 12:23:57,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 12:23:57,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 236 transitions. [2022-12-13 12:23:57,671 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3959731543624161 [2022-12-13 12:23:57,672 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 236 transitions. [2022-12-13 12:23:57,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 236 transitions. [2022-12-13 12:23:57,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:23:57,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 236 transitions. [2022-12-13 12:23:57,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 118.0) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:23:57,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:23:57,681 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:23:57,682 INFO L175 Difference]: Start difference. First operand has 28 places, 29 transitions, 63 flow. Second operand 2 states and 236 transitions. [2022-12-13 12:23:57,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 11 transitions, 47 flow [2022-12-13 12:23:57,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 11 transitions, 47 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:23:57,685 INFO L231 Difference]: Finished difference. Result has 12 places, 11 transitions, 27 flow [2022-12-13 12:23:57,687 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=27, PETRI_PLACES=12, PETRI_TRANSITIONS=11} [2022-12-13 12:23:57,690 INFO L288 CegarLoopForPetriNet]: 28 programPoint places, -16 predicate places. [2022-12-13 12:23:57,690 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 11 transitions, 27 flow [2022-12-13 12:23:57,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:23:57,690 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:23:57,690 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2022-12-13 12:23:57,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:23:57,691 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2022-12-13 12:23:57,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:23:57,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2082097714, now seen corresponding path program 1 times [2022-12-13 12:23:57,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:23:57,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008156020] [2022-12-13 12:23:57,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:23:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:23:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:23:57,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:23:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:23:57,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:23:57,729 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:23:57,730 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2022-12-13 12:23:57,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2022-12-13 12:23:57,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2022-12-13 12:23:57,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2022-12-13 12:23:57,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2022-12-13 12:23:57,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2022-12-13 12:23:57,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2022-12-13 12:23:57,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2022-12-13 12:23:57,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2022-12-13 12:23:57,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2022-12-13 12:23:57,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2022-12-13 12:23:57,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2022-12-13 12:23:57,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2022-12-13 12:23:57,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2022-12-13 12:23:57,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2022-12-13 12:23:57,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2022-12-13 12:23:57,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2022-12-13 12:23:57,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2022-12-13 12:23:57,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2022-12-13 12:23:57,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2022-12-13 12:23:57,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2022-12-13 12:23:57,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2022-12-13 12:23:57,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2022-12-13 12:23:57,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2022-12-13 12:23:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2022-12-13 12:23:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2022-12-13 12:23:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2022-12-13 12:23:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2022-12-13 12:23:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2022-12-13 12:23:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2022-12-13 12:23:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2022-12-13 12:23:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2022-12-13 12:23:57,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2022-12-13 12:23:57,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:23:57,736 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 12:23:57,738 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 12:23:57,738 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-13 12:23:57,758 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 12:23:57,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 218 places, 232 transitions, 476 flow [2022-12-13 12:23:57,796 INFO L130 PetriNetUnfolder]: 21/256 cut-off events. [2022-12-13 12:23:57,796 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 12:23:57,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 256 events. 21/256 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 778 event pairs, 0 based on Foata normal form. 0/200 useless extension candidates. Maximal degree in co-relation 213. Up to 6 conditions per place. [2022-12-13 12:23:57,799 INFO L82 GeneralOperation]: Start removeDead. Operand has 218 places, 232 transitions, 476 flow [2022-12-13 12:23:57,802 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 218 places, 232 transitions, 476 flow [2022-12-13 12:23:57,802 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:23:57,802 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 232 transitions, 476 flow [2022-12-13 12:23:57,802 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 232 transitions, 476 flow [2022-12-13 12:23:57,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 218 places, 232 transitions, 476 flow [2022-12-13 12:23:57,832 INFO L130 PetriNetUnfolder]: 21/256 cut-off events. [2022-12-13 12:23:57,832 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 12:23:57,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 256 events. 21/256 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 778 event pairs, 0 based on Foata normal form. 0/200 useless extension candidates. Maximal degree in co-relation 213. Up to 6 conditions per place. [2022-12-13 12:23:57,840 INFO L119 LiptonReduction]: Number of co-enabled transitions 25800 [2022-12-13 12:24:00,173 INFO L134 LiptonReduction]: Checked pairs total: 66853 [2022-12-13 12:24:00,173 INFO L136 LiptonReduction]: Total number of compositions: 199 [2022-12-13 12:24:00,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:24:00,175 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;@7cb0f277, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:24:00,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2022-12-13 12:24:00,176 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-12-13 12:24:00,176 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:24:00,176 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:24:00,177 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 12:24:00,177 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 12:24:00,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:00,177 INFO L85 PathProgramCache]: Analyzing trace with hash 41527119, now seen corresponding path program 1 times [2022-12-13 12:24:00,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:00,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092122180] [2022-12-13 12:24:00,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:00,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:24:00,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:00,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092122180] [2022-12-13 12:24:00,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092122180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:00,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:00,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 12:24:00,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077686309] [2022-12-13 12:24:00,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:00,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 12:24:00,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:00,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 12:24:00,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 12:24:00,199 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 431 [2022-12-13 12:24:00,200 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 98 transitions, 208 flow. Second operand has 2 states, 2 states have (on average 182.0) internal successors, (364), 2 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:00,200 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:24:00,200 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 431 [2022-12-13 12:24:00,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:24:00,441 INFO L130 PetriNetUnfolder]: 1112/2328 cut-off events. [2022-12-13 12:24:00,441 INFO L131 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2022-12-13 12:24:00,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4087 conditions, 2328 events. 1112/2328 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 16631 event pairs, 870 based on Foata normal form. 106/1949 useless extension candidates. Maximal degree in co-relation 1924. Up to 1695 conditions per place. [2022-12-13 12:24:00,455 INFO L137 encePairwiseOnDemand]: 406/431 looper letters, 40 selfloop transitions, 0 changer transitions 0/73 dead transitions. [2022-12-13 12:24:00,455 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 73 transitions, 238 flow [2022-12-13 12:24:00,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 12:24:00,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 12:24:00,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 425 transitions. [2022-12-13 12:24:00,459 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49303944315545245 [2022-12-13 12:24:00,459 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 425 transitions. [2022-12-13 12:24:00,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 425 transitions. [2022-12-13 12:24:00,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:24:00,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 425 transitions. [2022-12-13 12:24:00,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 212.5) internal successors, (425), 2 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:00,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 431.0) internal successors, (1293), 3 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:00,465 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 431.0) internal successors, (1293), 3 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:00,466 INFO L175 Difference]: Start difference. First operand has 93 places, 98 transitions, 208 flow. Second operand 2 states and 425 transitions. [2022-12-13 12:24:00,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 73 transitions, 238 flow [2022-12-13 12:24:00,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 73 transitions, 236 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-12-13 12:24:00,468 INFO L231 Difference]: Finished difference. Result has 73 places, 73 transitions, 156 flow [2022-12-13 12:24:00,468 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=156, PETRI_PLACES=73, PETRI_TRANSITIONS=73} [2022-12-13 12:24:00,469 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, -20 predicate places. [2022-12-13 12:24:00,469 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 73 transitions, 156 flow [2022-12-13 12:24:00,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 182.0) internal successors, (364), 2 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:00,469 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:24:00,470 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:24:00,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:24:00,470 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 12:24:00,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:00,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1252890386, now seen corresponding path program 1 times [2022-12-13 12:24:00,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:00,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228109734] [2022-12-13 12:24:00,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:00,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:00,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:24:00,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:00,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228109734] [2022-12-13 12:24:00,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228109734] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:00,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:00,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:24:00,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044261874] [2022-12-13 12:24:00,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:00,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:24:00,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:00,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:24:00,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:24:00,534 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 431 [2022-12-13 12:24:00,535 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 73 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:00,535 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:24:00,535 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 431 [2022-12-13 12:24:00,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:24:00,908 INFO L130 PetriNetUnfolder]: 1696/3422 cut-off events. [2022-12-13 12:24:00,908 INFO L131 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2022-12-13 12:24:00,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6137 conditions, 3422 events. 1696/3422 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 25865 event pairs, 595 based on Foata normal form. 0/2815 useless extension candidates. Maximal degree in co-relation 6132. Up to 2005 conditions per place. [2022-12-13 12:24:00,921 INFO L137 encePairwiseOnDemand]: 423/431 looper letters, 84 selfloop transitions, 6 changer transitions 0/116 dead transitions. [2022-12-13 12:24:00,921 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 116 transitions, 427 flow [2022-12-13 12:24:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:24:00,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:24:00,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2022-12-13 12:24:00,923 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47022428460943544 [2022-12-13 12:24:00,923 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 608 transitions. [2022-12-13 12:24:00,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 608 transitions. [2022-12-13 12:24:00,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:24:00,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 608 transitions. [2022-12-13 12:24:00,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:00,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 431.0) internal successors, (1724), 4 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:00,927 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 431.0) internal successors, (1724), 4 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:00,928 INFO L175 Difference]: Start difference. First operand has 73 places, 73 transitions, 156 flow. Second operand 3 states and 608 transitions. [2022-12-13 12:24:00,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 116 transitions, 427 flow [2022-12-13 12:24:00,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 116 transitions, 427 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:24:00,929 INFO L231 Difference]: Finished difference. Result has 77 places, 79 transitions, 208 flow [2022-12-13 12:24:00,930 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=77, PETRI_TRANSITIONS=79} [2022-12-13 12:24:00,930 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, -16 predicate places. [2022-12-13 12:24:00,930 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 79 transitions, 208 flow [2022-12-13 12:24:00,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:00,931 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:24:00,931 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:00,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:24:00,931 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 12:24:00,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:00,931 INFO L85 PathProgramCache]: Analyzing trace with hash 2136596212, now seen corresponding path program 1 times [2022-12-13 12:24:00,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:00,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838993036] [2022-12-13 12:24:00,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:00,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:00,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:24:00,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:00,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838993036] [2022-12-13 12:24:00,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838993036] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:00,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:00,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:24:00,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741323969] [2022-12-13 12:24:00,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:00,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:24:00,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:00,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:24:00,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:24:00,990 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 431 [2022-12-13 12:24:00,991 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 79 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:00,991 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:24:00,991 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 431 [2022-12-13 12:24:00,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:24:01,326 INFO L130 PetriNetUnfolder]: 1661/3443 cut-off events. [2022-12-13 12:24:01,327 INFO L131 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2022-12-13 12:24:01,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6241 conditions, 3443 events. 1661/3443 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 26537 event pairs, 1193 based on Foata normal form. 0/2752 useless extension candidates. Maximal degree in co-relation 6234. Up to 2426 conditions per place. [2022-12-13 12:24:01,342 INFO L137 encePairwiseOnDemand]: 424/431 looper letters, 60 selfloop transitions, 6 changer transitions 0/101 dead transitions. [2022-12-13 12:24:01,342 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 101 transitions, 393 flow [2022-12-13 12:24:01,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:24:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:24:01,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2022-12-13 12:24:01,345 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4385150812064965 [2022-12-13 12:24:01,345 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2022-12-13 12:24:01,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2022-12-13 12:24:01,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:24:01,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2022-12-13 12:24:01,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:01,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 431.0) internal successors, (1724), 4 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:01,350 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 431.0) internal successors, (1724), 4 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:01,351 INFO L175 Difference]: Start difference. First operand has 77 places, 79 transitions, 208 flow. Second operand 3 states and 567 transitions. [2022-12-13 12:24:01,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 101 transitions, 393 flow [2022-12-13 12:24:01,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 101 transitions, 379 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 12:24:01,355 INFO L231 Difference]: Finished difference. Result has 78 places, 84 transitions, 236 flow [2022-12-13 12:24:01,355 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=431, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=78, PETRI_TRANSITIONS=84} [2022-12-13 12:24:01,356 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, -15 predicate places. [2022-12-13 12:24:01,356 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 84 transitions, 236 flow [2022-12-13 12:24:01,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:01,357 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:24:01,357 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-13 12:24:01,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:24:01,357 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 12:24:01,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:01,357 INFO L85 PathProgramCache]: Analyzing trace with hash 419719070, now seen corresponding path program 1 times [2022-12-13 12:24:01,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:01,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957364567] [2022-12-13 12:24:01,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:01,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:24:01,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:24:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:24:01,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:24:01,392 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:24:01,392 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 49 remaining) [2022-12-13 12:24:01,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2022-12-13 12:24:01,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2022-12-13 12:24:01,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2022-12-13 12:24:01,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2022-12-13 12:24:01,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2022-12-13 12:24:01,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2022-12-13 12:24:01,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2022-12-13 12:24:01,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2022-12-13 12:24:01,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2022-12-13 12:24:01,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2022-12-13 12:24:01,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2022-12-13 12:24:01,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2022-12-13 12:24:01,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2022-12-13 12:24:01,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2022-12-13 12:24:01,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2022-12-13 12:24:01,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2022-12-13 12:24:01,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2022-12-13 12:24:01,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2022-12-13 12:24:01,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2022-12-13 12:24:01,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2022-12-13 12:24:01,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2022-12-13 12:24:01,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2022-12-13 12:24:01,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2022-12-13 12:24:01,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2022-12-13 12:24:01,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2022-12-13 12:24:01,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2022-12-13 12:24:01,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2022-12-13 12:24:01,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2022-12-13 12:24:01,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2022-12-13 12:24:01,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining) [2022-12-13 12:24:01,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining) [2022-12-13 12:24:01,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2022-12-13 12:24:01,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2022-12-13 12:24:01,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2022-12-13 12:24:01,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2022-12-13 12:24:01,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2022-12-13 12:24:01,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2022-12-13 12:24:01,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2022-12-13 12:24:01,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2022-12-13 12:24:01,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2022-12-13 12:24:01,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2022-12-13 12:24:01,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2022-12-13 12:24:01,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2022-12-13 12:24:01,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2022-12-13 12:24:01,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2022-12-13 12:24:01,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2022-12-13 12:24:01,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2022-12-13 12:24:01,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2022-12-13 12:24:01,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:24:01,399 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 12:24:01,400 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 12:24:01,400 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-12-13 12:24:01,428 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 12:24:01,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 333 transitions, 687 flow [2022-12-13 12:24:01,488 INFO L130 PetriNetUnfolder]: 31/370 cut-off events. [2022-12-13 12:24:01,488 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 12:24:01,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 370 events. 31/370 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1413 event pairs, 0 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 313. Up to 8 conditions per place. [2022-12-13 12:24:01,493 INFO L82 GeneralOperation]: Start removeDead. Operand has 312 places, 333 transitions, 687 flow [2022-12-13 12:24:01,499 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 312 places, 333 transitions, 687 flow [2022-12-13 12:24:01,499 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:24:01,499 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 312 places, 333 transitions, 687 flow [2022-12-13 12:24:01,500 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 312 places, 333 transitions, 687 flow [2022-12-13 12:24:01,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 333 transitions, 687 flow [2022-12-13 12:24:01,564 INFO L130 PetriNetUnfolder]: 31/370 cut-off events. [2022-12-13 12:24:01,564 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 12:24:01,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 370 events. 31/370 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1413 event pairs, 0 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 313. Up to 8 conditions per place. [2022-12-13 12:24:01,590 INFO L119 LiptonReduction]: Number of co-enabled transitions 69000 [2022-12-13 12:24:05,407 INFO L134 LiptonReduction]: Checked pairs total: 185535 [2022-12-13 12:24:05,407 INFO L136 LiptonReduction]: Total number of compositions: 291 [2022-12-13 12:24:05,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:24:05,408 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;@7cb0f277, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:24:05,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2022-12-13 12:24:05,409 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-12-13 12:24:05,409 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:24:05,409 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:24:05,410 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 12:24:05,410 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-13 12:24:05,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:05,410 INFO L85 PathProgramCache]: Analyzing trace with hash 63687874, now seen corresponding path program 1 times [2022-12-13 12:24:05,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:05,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997554430] [2022-12-13 12:24:05,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:05,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:24:05,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:05,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997554430] [2022-12-13 12:24:05,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997554430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:05,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:05,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 12:24:05,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812691815] [2022-12-13 12:24:05,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:05,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 12:24:05,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:05,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 12:24:05,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 12:24:05,424 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 624 [2022-12-13 12:24:05,424 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 141 transitions, 303 flow. Second operand has 2 states, 2 states have (on average 258.0) internal successors, (516), 2 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:05,424 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:24:05,424 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 624 [2022-12-13 12:24:05,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:24:08,931 INFO L130 PetriNetUnfolder]: 31684/53569 cut-off events. [2022-12-13 12:24:08,931 INFO L131 PetriNetUnfolder]: For 2002/2002 co-relation queries the response was YES. [2022-12-13 12:24:08,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97571 conditions, 53569 events. 31684/53569 cut-off events. For 2002/2002 co-relation queries the response was YES. Maximal size of possible extension queue 2299. Compared 496076 event pairs, 24885 based on Foata normal form. 1831/45536 useless extension candidates. Maximal degree in co-relation 10996. Up to 42586 conditions per place. [2022-12-13 12:24:09,212 INFO L137 encePairwiseOnDemand]: 590/624 looper letters, 61 selfloop transitions, 0 changer transitions 0/107 dead transitions. [2022-12-13 12:24:09,213 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 107 transitions, 357 flow [2022-12-13 12:24:09,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 12:24:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 12:24:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 607 transitions. [2022-12-13 12:24:09,215 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4863782051282051 [2022-12-13 12:24:09,215 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 607 transitions. [2022-12-13 12:24:09,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 607 transitions. [2022-12-13 12:24:09,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:24:09,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 607 transitions. [2022-12-13 12:24:09,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 303.5) internal successors, (607), 2 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:09,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 624.0) internal successors, (1872), 3 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:09,219 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 624.0) internal successors, (1872), 3 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:09,219 INFO L175 Difference]: Start difference. First operand has 136 places, 141 transitions, 303 flow. Second operand 2 states and 607 transitions. [2022-12-13 12:24:09,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 107 transitions, 357 flow [2022-12-13 12:24:09,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 107 transitions, 351 flow, removed 3 selfloop flow, removed 0 redundant places. [2022-12-13 12:24:09,224 INFO L231 Difference]: Finished difference. Result has 106 places, 107 transitions, 229 flow [2022-12-13 12:24:09,224 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=229, PETRI_PLACES=106, PETRI_TRANSITIONS=107} [2022-12-13 12:24:09,225 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -30 predicate places. [2022-12-13 12:24:09,225 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 107 transitions, 229 flow [2022-12-13 12:24:09,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 258.0) internal successors, (516), 2 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:09,226 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:24:09,226 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:24:09,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:24:09,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-13 12:24:09,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:09,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1074556485, now seen corresponding path program 1 times [2022-12-13 12:24:09,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:09,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180774961] [2022-12-13 12:24:09,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:09,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:09,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:24:09,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:09,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180774961] [2022-12-13 12:24:09,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180774961] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:09,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:09,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:24:09,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519245499] [2022-12-13 12:24:09,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:09,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:24:09,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:09,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:24:09,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:24:09,272 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 624 [2022-12-13 12:24:09,273 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 107 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:09,273 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:24:09,273 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 624 [2022-12-13 12:24:09,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:24:15,231 INFO L130 PetriNetUnfolder]: 63678/104317 cut-off events. [2022-12-13 12:24:15,231 INFO L131 PetriNetUnfolder]: For 1463/1463 co-relation queries the response was YES. [2022-12-13 12:24:15,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192161 conditions, 104317 events. 63678/104317 cut-off events. For 1463/1463 co-relation queries the response was YES. Maximal size of possible extension queue 4335. Compared 995306 event pairs, 23433 based on Foata normal form. 0/87618 useless extension candidates. Maximal degree in co-relation 192155. Up to 56971 conditions per place. [2022-12-13 12:24:15,765 INFO L137 encePairwiseOnDemand]: 612/624 looper letters, 126 selfloop transitions, 9 changer transitions 0/172 dead transitions. [2022-12-13 12:24:15,766 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 172 transitions, 639 flow [2022-12-13 12:24:15,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:24:15,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:24:15,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 870 transitions. [2022-12-13 12:24:15,768 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46474358974358976 [2022-12-13 12:24:15,768 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 870 transitions. [2022-12-13 12:24:15,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 870 transitions. [2022-12-13 12:24:15,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:24:15,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 870 transitions. [2022-12-13 12:24:15,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:15,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 624.0) internal successors, (2496), 4 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:15,775 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 624.0) internal successors, (2496), 4 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:15,775 INFO L175 Difference]: Start difference. First operand has 106 places, 107 transitions, 229 flow. Second operand 3 states and 870 transitions. [2022-12-13 12:24:15,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 172 transitions, 639 flow [2022-12-13 12:24:15,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 172 transitions, 639 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:24:15,779 INFO L231 Difference]: Finished difference. Result has 110 places, 116 transitions, 307 flow [2022-12-13 12:24:15,779 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=307, PETRI_PLACES=110, PETRI_TRANSITIONS=116} [2022-12-13 12:24:15,780 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -26 predicate places. [2022-12-13 12:24:15,780 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 116 transitions, 307 flow [2022-12-13 12:24:15,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:15,781 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:24:15,781 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:15,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:24:15,781 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-13 12:24:15,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:15,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1871595379, now seen corresponding path program 1 times [2022-12-13 12:24:15,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:15,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090737435] [2022-12-13 12:24:15,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:15,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:24:15,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:15,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090737435] [2022-12-13 12:24:15,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090737435] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:15,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:15,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:24:15,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964506187] [2022-12-13 12:24:15,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:15,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:24:15,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:15,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:24:15,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:24:15,849 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 624 [2022-12-13 12:24:15,850 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 116 transitions, 307 flow. Second operand has 3 states, 3 states have (on average 241.66666666666666) internal successors, (725), 3 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:15,850 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:24:15,850 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 624 [2022-12-13 12:24:15,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:24:23,102 INFO L130 PetriNetUnfolder]: 69476/114306 cut-off events. [2022-12-13 12:24:23,102 INFO L131 PetriNetUnfolder]: For 10677/10677 co-relation queries the response was YES. [2022-12-13 12:24:23,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218801 conditions, 114306 events. 69476/114306 cut-off events. For 10677/10677 co-relation queries the response was YES. Maximal size of possible extension queue 4974. Compared 1109586 event pairs, 49892 based on Foata normal form. 0/94081 useless extension candidates. Maximal degree in co-relation 218793. Up to 91192 conditions per place. [2022-12-13 12:24:23,644 INFO L137 encePairwiseOnDemand]: 613/624 looper letters, 104 selfloop transitions, 10 changer transitions 0/161 dead transitions. [2022-12-13 12:24:23,644 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 161 transitions, 647 flow [2022-12-13 12:24:23,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:24:23,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:24:23,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 827 transitions. [2022-12-13 12:24:23,647 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44177350427350426 [2022-12-13 12:24:23,647 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 827 transitions. [2022-12-13 12:24:23,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 827 transitions. [2022-12-13 12:24:23,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:24:23,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 827 transitions. [2022-12-13 12:24:23,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 275.6666666666667) internal successors, (827), 3 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:23,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 624.0) internal successors, (2496), 4 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:23,652 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 624.0) internal successors, (2496), 4 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:23,653 INFO L175 Difference]: Start difference. First operand has 110 places, 116 transitions, 307 flow. Second operand 3 states and 827 transitions. [2022-12-13 12:24:23,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 161 transitions, 647 flow [2022-12-13 12:24:23,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 161 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 12:24:23,747 INFO L231 Difference]: Finished difference. Result has 111 places, 125 transitions, 357 flow [2022-12-13 12:24:23,748 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=357, PETRI_PLACES=111, PETRI_TRANSITIONS=125} [2022-12-13 12:24:23,748 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -25 predicate places. [2022-12-13 12:24:23,748 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 125 transitions, 357 flow [2022-12-13 12:24:23,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.66666666666666) internal successors, (725), 3 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:23,749 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:24:23,749 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:23,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:24:23,749 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-13 12:24:23,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:23,749 INFO L85 PathProgramCache]: Analyzing trace with hash 197780617, now seen corresponding path program 1 times [2022-12-13 12:24:23,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:23,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276485586] [2022-12-13 12:24:23,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:24:23,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:23,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276485586] [2022-12-13 12:24:23,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276485586] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:23,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:23,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:24:23,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590993495] [2022-12-13 12:24:23,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:23,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:24:23,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:23,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:24:23,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:24:23,788 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 624 [2022-12-13 12:24:23,789 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 125 transitions, 357 flow. Second operand has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:23,789 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:24:23,789 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 624 [2022-12-13 12:24:23,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:24:30,519 INFO L130 PetriNetUnfolder]: 57946/96750 cut-off events. [2022-12-13 12:24:30,519 INFO L131 PetriNetUnfolder]: For 12049/12659 co-relation queries the response was YES. [2022-12-13 12:24:30,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198516 conditions, 96750 events. 57946/96750 cut-off events. For 12049/12659 co-relation queries the response was YES. Maximal size of possible extension queue 4552. Compared 948577 event pairs, 18934 based on Foata normal form. 16/83313 useless extension candidates. Maximal degree in co-relation 198507. Up to 52068 conditions per place. [2022-12-13 12:24:30,974 INFO L137 encePairwiseOnDemand]: 615/624 looper letters, 133 selfloop transitions, 7 changer transitions 0/193 dead transitions. [2022-12-13 12:24:30,974 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 193 transitions, 828 flow [2022-12-13 12:24:30,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:24:30,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:24:30,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 880 transitions. [2022-12-13 12:24:30,977 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4700854700854701 [2022-12-13 12:24:30,977 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 880 transitions. [2022-12-13 12:24:30,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 880 transitions. [2022-12-13 12:24:30,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:24:30,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 880 transitions. [2022-12-13 12:24:30,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:30,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 624.0) internal successors, (2496), 4 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:30,981 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 624.0) internal successors, (2496), 4 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:30,981 INFO L175 Difference]: Start difference. First operand has 111 places, 125 transitions, 357 flow. Second operand 3 states and 880 transitions. [2022-12-13 12:24:30,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 193 transitions, 828 flow [2022-12-13 12:24:31,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 193 transitions, 811 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 12:24:31,484 INFO L231 Difference]: Finished difference. Result has 114 places, 131 transitions, 403 flow [2022-12-13 12:24:31,484 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=114, PETRI_TRANSITIONS=131} [2022-12-13 12:24:31,484 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -22 predicate places. [2022-12-13 12:24:31,484 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 131 transitions, 403 flow [2022-12-13 12:24:31,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:31,484 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:24:31,484 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:31,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 12:24:31,485 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-13 12:24:31,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:31,485 INFO L85 PathProgramCache]: Analyzing trace with hash -559909000, now seen corresponding path program 1 times [2022-12-13 12:24:31,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:31,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51529329] [2022-12-13 12:24:31,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:31,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:31,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:24:31,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:31,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51529329] [2022-12-13 12:24:31,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51529329] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:31,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:31,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:24:31,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452265234] [2022-12-13 12:24:31,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:31,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:24:31,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:31,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:24:31,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:24:31,516 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 624 [2022-12-13 12:24:31,517 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 131 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:31,517 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:24:31,518 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 624 [2022-12-13 12:24:31,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:24:35,136 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][42], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 52#L719-1true, Black: 331#(= ~state~0 0), 329#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:35,136 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is not cut-off event [2022-12-13 12:24:35,136 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is not cut-off event [2022-12-13 12:24:35,136 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is not cut-off event [2022-12-13 12:24:35,137 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is not cut-off event [2022-12-13 12:24:35,137 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][96], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, Black: 329#true, 331#(= ~state~0 0), 52#L719-1true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 184#L752-5true]) [2022-12-13 12:24:35,137 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is not cut-off event [2022-12-13 12:24:35,137 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is not cut-off event [2022-12-13 12:24:35,137 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is not cut-off event [2022-12-13 12:24:35,137 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is not cut-off event [2022-12-13 12:24:35,138 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][96], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, 331#(= ~state~0 0), Black: 329#true, thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 184#L752-5true]) [2022-12-13 12:24:35,138 INFO L383 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2022-12-13 12:24:35,138 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:35,138 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:35,138 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:35,138 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][42], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), Black: 331#(= ~state~0 0), 329#true, thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:35,138 INFO L383 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2022-12-13 12:24:35,138 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:35,138 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:35,138 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:36,291 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][42], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 52#L719-1true, Black: 331#(= ~state~0 0), 329#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:36,292 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is not cut-off event [2022-12-13 12:24:36,292 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is not cut-off event [2022-12-13 12:24:36,292 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is not cut-off event [2022-12-13 12:24:36,292 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is not cut-off event [2022-12-13 12:24:36,292 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][96], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, 52#L719-1true, 331#(= ~state~0 0), Black: 329#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 202#L752-4true]) [2022-12-13 12:24:36,292 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is not cut-off event [2022-12-13 12:24:36,292 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is not cut-off event [2022-12-13 12:24:36,292 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is not cut-off event [2022-12-13 12:24:36,292 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is not cut-off event [2022-12-13 12:24:36,293 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][96], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, 331#(= ~state~0 0), Black: 329#true, thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 202#L752-4true]) [2022-12-13 12:24:36,293 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2022-12-13 12:24:36,293 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:36,293 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:36,293 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:36,294 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][42], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), Black: 331#(= ~state~0 0), 329#true, thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:36,294 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2022-12-13 12:24:36,294 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:36,294 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:36,294 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:38,957 INFO L130 PetriNetUnfolder]: 73522/123020 cut-off events. [2022-12-13 12:24:38,957 INFO L131 PetriNetUnfolder]: For 29450/30134 co-relation queries the response was YES. [2022-12-13 12:24:39,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261178 conditions, 123020 events. 73522/123020 cut-off events. For 29450/30134 co-relation queries the response was YES. Maximal size of possible extension queue 5493. Compared 1236813 event pairs, 41869 based on Foata normal form. 78/106028 useless extension candidates. Maximal degree in co-relation 261168. Up to 85850 conditions per place. [2022-12-13 12:24:39,565 INFO L137 encePairwiseOnDemand]: 616/624 looper letters, 119 selfloop transitions, 12 changer transitions 0/180 dead transitions. [2022-12-13 12:24:39,566 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 180 transitions, 813 flow [2022-12-13 12:24:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:24:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:24:39,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 848 transitions. [2022-12-13 12:24:39,568 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.452991452991453 [2022-12-13 12:24:39,568 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 848 transitions. [2022-12-13 12:24:39,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 848 transitions. [2022-12-13 12:24:39,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:24:39,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 848 transitions. [2022-12-13 12:24:39,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:39,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 624.0) internal successors, (2496), 4 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:39,572 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 624.0) internal successors, (2496), 4 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:39,572 INFO L175 Difference]: Start difference. First operand has 114 places, 131 transitions, 403 flow. Second operand 3 states and 848 transitions. [2022-12-13 12:24:39,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 180 transitions, 813 flow [2022-12-13 12:24:39,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 180 transitions, 795 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 12:24:39,606 INFO L231 Difference]: Finished difference. Result has 116 places, 141 transitions, 495 flow [2022-12-13 12:24:39,606 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=495, PETRI_PLACES=116, PETRI_TRANSITIONS=141} [2022-12-13 12:24:39,606 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -20 predicate places. [2022-12-13 12:24:39,606 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 141 transitions, 495 flow [2022-12-13 12:24:39,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:39,607 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:24:39,607 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:39,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 12:24:39,607 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-13 12:24:39,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:39,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1743567611, now seen corresponding path program 1 times [2022-12-13 12:24:39,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:39,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90923845] [2022-12-13 12:24:39,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:39,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 12:24:39,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:39,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90923845] [2022-12-13 12:24:39,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90923845] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:39,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:39,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:24:39,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710251632] [2022-12-13 12:24:39,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:39,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:24:39,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:39,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:24:39,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:24:39,667 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 624 [2022-12-13 12:24:39,668 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 141 transitions, 495 flow. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:39,668 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:24:39,668 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 624 [2022-12-13 12:24:39,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:24:41,438 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1865] L738-1-->L738-3: Formula: (= |v_thr1Thread3of3ForFork0_#t~nondet10#1_17| |v_#race~state~0_97|) InVars {} OutVars{thr1Thread3of3ForFork0_#t~nondet10#1=|v_thr1Thread3of3ForFork0_#t~nondet10#1_17|, #race~state~0=|v_#race~state~0_97|} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~nondet10#1, #race~state~0][165], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), 156#L736true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 98#L738-3true, 184#L752-5true]) [2022-12-13 12:24:41,438 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2022-12-13 12:24:41,438 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2022-12-13 12:24:41,438 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2022-12-13 12:24:41,438 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2022-12-13 12:24:41,765 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][90], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, 341#true, Black: 329#true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 184#L752-5true]) [2022-12-13 12:24:41,765 INFO L383 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2022-12-13 12:24:41,765 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:41,765 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:41,765 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:41,765 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:41,765 INFO L383 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2022-12-13 12:24:41,765 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:41,766 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:41,766 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:41,791 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][90], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, 341#true, Black: 329#true, 52#L719-1true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 184#L752-5true]) [2022-12-13 12:24:41,792 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2022-12-13 12:24:41,792 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:41,792 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:41,792 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:41,792 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 52#L719-1true, 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:41,792 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2022-12-13 12:24:41,792 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:41,792 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:41,792 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,157 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 184#L752-5true, 82#L734true]) [2022-12-13 12:24:42,157 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is not cut-off event [2022-12-13 12:24:42,157 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:24:42,157 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:24:42,157 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is not cut-off event [2022-12-13 12:24:42,157 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 52#L719-1true, 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 82#L734true, 184#L752-5true]) [2022-12-13 12:24:42,157 INFO L383 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2022-12-13 12:24:42,157 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:42,157 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:42,157 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-13 12:24:42,211 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][90], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, 341#true, Black: 329#true, 52#L719-1true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 184#L752-5true]) [2022-12-13 12:24:42,211 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,211 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,211 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,211 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,211 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,212 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, 52#L719-1true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:42,212 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,212 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,212 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,212 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,212 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,455 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1865] L738-1-->L738-3: Formula: (= |v_thr1Thread3of3ForFork0_#t~nondet10#1_17| |v_#race~state~0_97|) InVars {} OutVars{thr1Thread3of3ForFork0_#t~nondet10#1=|v_thr1Thread3of3ForFork0_#t~nondet10#1_17|, #race~state~0=|v_#race~state~0_97|} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~nondet10#1, #race~state~0][165], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), 156#L736true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 98#L738-3true, 202#L752-4true]) [2022-12-13 12:24:42,455 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2022-12-13 12:24:42,455 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 12:24:42,456 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 12:24:42,456 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 12:24:42,736 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:42,736 INFO L383 tUnfolder$Statistics]: this new event has 34 ancestors and is not cut-off event [2022-12-13 12:24:42,736 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2022-12-13 12:24:42,736 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2022-12-13 12:24:42,736 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2022-12-13 12:24:42,736 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2022-12-13 12:24:42,737 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 52#L719-1true, 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:42,737 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,737 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,737 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,737 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,737 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,737 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,737 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][90], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, Black: 329#true, 341#true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 184#L752-5true]) [2022-12-13 12:24:42,737 INFO L383 tUnfolder$Statistics]: this new event has 34 ancestors and is not cut-off event [2022-12-13 12:24:42,737 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2022-12-13 12:24:42,737 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2022-12-13 12:24:42,737 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2022-12-13 12:24:42,737 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2022-12-13 12:24:42,737 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][90], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, 52#L719-1true, Black: 329#true, 341#true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 184#L752-5true]) [2022-12-13 12:24:42,738 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,738 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,738 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,738 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,738 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,738 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-13 12:24:42,801 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][142], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 109#L727-3true, 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:42,801 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2022-12-13 12:24:42,801 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 12:24:42,801 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 12:24:42,801 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2022-12-13 12:24:42,802 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][142], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 284#L703-2true, 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:42,802 INFO L383 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2022-12-13 12:24:42,802 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:42,802 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:42,802 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:42,991 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][90], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, Black: 329#true, 341#true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 202#L752-4true]) [2022-12-13 12:24:42,991 INFO L383 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2022-12-13 12:24:42,991 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:42,991 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:42,991 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:42,992 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:42,992 INFO L383 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2022-12-13 12:24:42,992 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:42,992 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:42,992 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:43,020 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][90], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, 341#true, Black: 329#true, 52#L719-1true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 202#L752-4true]) [2022-12-13 12:24:43,020 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,020 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,020 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,020 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,020 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 52#L719-1true, 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:43,020 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,020 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,020 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,020 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,278 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][142], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 239#L704true, 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:43,278 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,278 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,278 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,278 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,438 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 82#L734true, 202#L752-4true]) [2022-12-13 12:24:43,438 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is not cut-off event [2022-12-13 12:24:43,438 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2022-12-13 12:24:43,438 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2022-12-13 12:24:43,438 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2022-12-13 12:24:43,438 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 52#L719-1true, 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 82#L734true, 202#L752-4true]) [2022-12-13 12:24:43,438 INFO L383 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2022-12-13 12:24:43,438 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:43,438 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:43,438 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-13 12:24:43,495 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][90], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, Black: 329#true, 341#true, 52#L719-1true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 202#L752-4true]) [2022-12-13 12:24:43,495 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,495 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,495 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,495 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,495 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,495 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 52#L719-1true, 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:43,495 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,496 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,496 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,496 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,496 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,923 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:43,923 INFO L383 tUnfolder$Statistics]: this new event has 37 ancestors and is not cut-off event [2022-12-13 12:24:43,923 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2022-12-13 12:24:43,923 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2022-12-13 12:24:43,923 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2022-12-13 12:24:43,923 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2022-12-13 12:24:43,923 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][41], [Black: 320#(= |#race~state~0| 0), 29#L736true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 52#L719-1true, 341#true, Black: 331#(= ~state~0 0), Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:43,923 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,924 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,924 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,924 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,924 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,924 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,924 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][90], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, 341#true, Black: 329#true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, 303#L719-6true, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 202#L752-4true]) [2022-12-13 12:24:43,924 INFO L383 tUnfolder$Statistics]: this new event has 37 ancestors and is not cut-off event [2022-12-13 12:24:43,924 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2022-12-13 12:24:43,924 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2022-12-13 12:24:43,924 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2022-12-13 12:24:43,924 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2022-12-13 12:24:43,924 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1899] L736-->L737-1: Formula: (and |v_thr1Thread3of3ForFork0_#t~switch9#1_37| (= v_~state~0_135 0)) InVars {~state~0=v_~state~0_135} OutVars{thr1Thread3of3ForFork0_#t~switch9#1=|v_thr1Thread3of3ForFork0_#t~switch9#1_37|, ~state~0=v_~state~0_135} AuxVars[] AssignedVars[thr1Thread3of3ForFork0_#t~switch9#1][90], [Black: 318#true, 283#L737-1true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 86#L738-1true, Black: 329#true, 341#true, 52#L719-1true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 202#L752-4true]) [2022-12-13 12:24:43,924 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,924 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,925 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,925 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,925 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,925 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2022-12-13 12:24:43,995 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][142], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 109#L727-3true, 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:43,995 INFO L383 tUnfolder$Statistics]: this new event has 39 ancestors and is cut-off event [2022-12-13 12:24:43,995 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:24:43,995 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:24:43,995 INFO L386 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2022-12-13 12:24:43,996 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][142], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 284#L703-2true, 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:43,996 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2022-12-13 12:24:43,996 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:24:43,996 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:24:43,996 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:24:44,598 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][142], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 239#L704true, 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:44,598 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2022-12-13 12:24:44,598 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 12:24:44,598 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 12:24:44,598 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 12:24:44,839 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][142], [Black: 320#(= |#race~state~0| 0), 251#L711true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:44,839 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2022-12-13 12:24:44,839 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 12:24:44,839 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 12:24:44,839 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 12:24:45,268 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][138], [201#L739true, Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:45,268 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2022-12-13 12:24:45,268 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:24:45,268 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:24:45,268 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 12:24:45,302 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][142], [72#L711-2true, Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:45,302 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2022-12-13 12:24:45,302 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2022-12-13 12:24:45,302 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2022-12-13 12:24:45,302 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2022-12-13 12:24:45,692 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][138], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 131#L719-6true, 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:45,692 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2022-12-13 12:24:45,693 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 12:24:45,693 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 12:24:45,693 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 12:24:45,721 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][142], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 96#L712true, 335#true, thr1Thread3of3ForFork0InUse, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:45,721 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2022-12-13 12:24:45,721 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 12:24:45,721 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 12:24:45,721 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 12:24:46,052 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][142], [Black: 320#(= |#race~state~0| 0), 251#L711true, Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:46,052 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2022-12-13 12:24:46,052 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 12:24:46,052 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 12:24:46,052 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 12:24:46,291 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][138], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, 219#L719-1true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 184#L752-5true]) [2022-12-13 12:24:46,291 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2022-12-13 12:24:46,291 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2022-12-13 12:24:46,291 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2022-12-13 12:24:46,291 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2022-12-13 12:24:46,478 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][138], [201#L739true, Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:46,479 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2022-12-13 12:24:46,479 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 12:24:46,479 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 12:24:46,479 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 12:24:46,532 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][142], [72#L711-2true, Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 335#true, thr1Thread3of3ForFork0InUse, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:46,532 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2022-12-13 12:24:46,532 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 12:24:46,532 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 12:24:46,533 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 12:24:46,830 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][138], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 131#L719-6true, 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:46,830 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2022-12-13 12:24:46,830 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 12:24:46,830 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 12:24:46,830 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 12:24:46,859 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][142], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, 96#L712true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:46,859 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2022-12-13 12:24:46,859 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2022-12-13 12:24:46,859 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2022-12-13 12:24:46,859 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2022-12-13 12:24:47,051 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1813] L738-1-->L738-3: Formula: (= |v_thr1Thread2of3ForFork0_#t~nondet10#1_19| |v_#race~state~0_93|) InVars {} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_19|, #race~state~0=|v_#race~state~0_93|} AuxVars[] AssignedVars[thr1Thread2of3ForFork0_#t~nondet10#1, #race~state~0][138], [Black: 320#(= |#race~state~0| 0), Black: 326#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 219#L719-1true, 341#true, Black: 331#(= ~state~0 0), 136#L738-4true, Black: 337#(= |#race~state~0| |thr1Thread1of3ForFork0_#t~nondet10#1|), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 315#true, thr1Thread3of3ForFork0InUse, 335#true, 280#L738-3true, 202#L752-4true]) [2022-12-13 12:24:47,051 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2022-12-13 12:24:47,051 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 12:24:47,051 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 12:24:47,051 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 12:24:47,545 INFO L130 PetriNetUnfolder]: 75523/124427 cut-off events. [2022-12-13 12:24:47,545 INFO L131 PetriNetUnfolder]: For 51984/57392 co-relation queries the response was YES. [2022-12-13 12:24:47,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279862 conditions, 124427 events. 75523/124427 cut-off events. For 51984/57392 co-relation queries the response was YES. Maximal size of possible extension queue 5911. Compared 1236891 event pairs, 45943 based on Foata normal form. 1138/106963 useless extension candidates. Maximal degree in co-relation 279851. Up to 98715 conditions per place. [2022-12-13 12:24:48,318 INFO L137 encePairwiseOnDemand]: 613/624 looper letters, 128 selfloop transitions, 11 changer transitions 0/193 dead transitions. [2022-12-13 12:24:48,319 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 193 transitions, 946 flow [2022-12-13 12:24:48,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:24:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:24:48,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 828 transitions. [2022-12-13 12:24:48,321 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4423076923076923 [2022-12-13 12:24:48,321 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 828 transitions. [2022-12-13 12:24:48,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 828 transitions. [2022-12-13 12:24:48,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:24:48,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 828 transitions. [2022-12-13 12:24:48,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:48,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 624.0) internal successors, (2496), 4 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:48,325 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 624.0) internal successors, (2496), 4 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:48,325 INFO L175 Difference]: Start difference. First operand has 116 places, 141 transitions, 495 flow. Second operand 3 states and 828 transitions. [2022-12-13 12:24:48,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 193 transitions, 946 flow [2022-12-13 12:24:48,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 193 transitions, 912 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 12:24:48,517 INFO L231 Difference]: Finished difference. Result has 117 places, 150 transitions, 552 flow [2022-12-13 12:24:48,517 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=117, PETRI_TRANSITIONS=150} [2022-12-13 12:24:48,517 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -19 predicate places. [2022-12-13 12:24:48,517 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 150 transitions, 552 flow [2022-12-13 12:24:48,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:48,518 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:24:48,518 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2022-12-13 12:24:48,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 12:24:48,518 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-13 12:24:48,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:48,518 INFO L85 PathProgramCache]: Analyzing trace with hash -536588842, now seen corresponding path program 1 times [2022-12-13 12:24:48,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:48,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204377766] [2022-12-13 12:24:48,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:48,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:24:48,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:24:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:24:48,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:24:48,533 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:24:48,534 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 65 remaining) [2022-12-13 12:24:48,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (63 of 65 remaining) [2022-12-13 12:24:48,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (62 of 65 remaining) [2022-12-13 12:24:48,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (61 of 65 remaining) [2022-12-13 12:24:48,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (60 of 65 remaining) [2022-12-13 12:24:48,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (59 of 65 remaining) [2022-12-13 12:24:48,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (58 of 65 remaining) [2022-12-13 12:24:48,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (57 of 65 remaining) [2022-12-13 12:24:48,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (56 of 65 remaining) [2022-12-13 12:24:48,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (55 of 65 remaining) [2022-12-13 12:24:48,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (54 of 65 remaining) [2022-12-13 12:24:48,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (53 of 65 remaining) [2022-12-13 12:24:48,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (52 of 65 remaining) [2022-12-13 12:24:48,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (51 of 65 remaining) [2022-12-13 12:24:48,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (50 of 65 remaining) [2022-12-13 12:24:48,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (49 of 65 remaining) [2022-12-13 12:24:48,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (48 of 65 remaining) [2022-12-13 12:24:48,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (47 of 65 remaining) [2022-12-13 12:24:48,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (46 of 65 remaining) [2022-12-13 12:24:48,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 65 remaining) [2022-12-13 12:24:48,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (44 of 65 remaining) [2022-12-13 12:24:48,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (43 of 65 remaining) [2022-12-13 12:24:48,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (42 of 65 remaining) [2022-12-13 12:24:48,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (41 of 65 remaining) [2022-12-13 12:24:48,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (40 of 65 remaining) [2022-12-13 12:24:48,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (39 of 65 remaining) [2022-12-13 12:24:48,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (38 of 65 remaining) [2022-12-13 12:24:48,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 65 remaining) [2022-12-13 12:24:48,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (36 of 65 remaining) [2022-12-13 12:24:48,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 65 remaining) [2022-12-13 12:24:48,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (34 of 65 remaining) [2022-12-13 12:24:48,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (33 of 65 remaining) [2022-12-13 12:24:48,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (32 of 65 remaining) [2022-12-13 12:24:48,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 65 remaining) [2022-12-13 12:24:48,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 65 remaining) [2022-12-13 12:24:48,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 65 remaining) [2022-12-13 12:24:48,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 65 remaining) [2022-12-13 12:24:48,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 65 remaining) [2022-12-13 12:24:48,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 65 remaining) [2022-12-13 12:24:48,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 65 remaining) [2022-12-13 12:24:48,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 65 remaining) [2022-12-13 12:24:48,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (23 of 65 remaining) [2022-12-13 12:24:48,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 65 remaining) [2022-12-13 12:24:48,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 65 remaining) [2022-12-13 12:24:48,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (20 of 65 remaining) [2022-12-13 12:24:48,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 65 remaining) [2022-12-13 12:24:48,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (18 of 65 remaining) [2022-12-13 12:24:48,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (17 of 65 remaining) [2022-12-13 12:24:48,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 65 remaining) [2022-12-13 12:24:48,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 65 remaining) [2022-12-13 12:24:48,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 65 remaining) [2022-12-13 12:24:48,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 65 remaining) [2022-12-13 12:24:48,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 65 remaining) [2022-12-13 12:24:48,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 65 remaining) [2022-12-13 12:24:48,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 65 remaining) [2022-12-13 12:24:48,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 65 remaining) [2022-12-13 12:24:48,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (8 of 65 remaining) [2022-12-13 12:24:48,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (7 of 65 remaining) [2022-12-13 12:24:48,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 65 remaining) [2022-12-13 12:24:48,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 65 remaining) [2022-12-13 12:24:48,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (4 of 65 remaining) [2022-12-13 12:24:48,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (3 of 65 remaining) [2022-12-13 12:24:48,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 65 remaining) [2022-12-13 12:24:48,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 65 remaining) [2022-12-13 12:24:48,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 65 remaining) [2022-12-13 12:24:48,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 12:24:48,540 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:48,541 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 12:24:48,541 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-12-13 12:24:48,570 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 12:24:48,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 406 places, 434 transitions, 900 flow [2022-12-13 12:24:48,636 INFO L130 PetriNetUnfolder]: 41/484 cut-off events. [2022-12-13 12:24:48,636 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-13 12:24:48,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 507 conditions, 484 events. 41/484 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2143 event pairs, 0 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 413. Up to 10 conditions per place. [2022-12-13 12:24:48,641 INFO L82 GeneralOperation]: Start removeDead. Operand has 406 places, 434 transitions, 900 flow [2022-12-13 12:24:48,646 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 406 places, 434 transitions, 900 flow [2022-12-13 12:24:48,646 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:24:48,646 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 406 places, 434 transitions, 900 flow [2022-12-13 12:24:48,646 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 406 places, 434 transitions, 900 flow [2022-12-13 12:24:48,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 406 places, 434 transitions, 900 flow [2022-12-13 12:24:48,708 INFO L130 PetriNetUnfolder]: 41/484 cut-off events. [2022-12-13 12:24:48,708 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-13 12:24:48,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 507 conditions, 484 events. 41/484 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2143 event pairs, 0 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 413. Up to 10 conditions per place. [2022-12-13 12:24:48,735 INFO L119 LiptonReduction]: Number of co-enabled transitions 132400 [2022-12-13 12:24:53,871 INFO L134 LiptonReduction]: Checked pairs total: 398764 [2022-12-13 12:24:53,872 INFO L136 LiptonReduction]: Total number of compositions: 380 [2022-12-13 12:24:53,873 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:24:53,873 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;@7cb0f277, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:24:53,873 INFO L358 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2022-12-13 12:24:53,874 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-12-13 12:24:53,874 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:24:53,874 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:24:53,874 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 12:24:53,874 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2022-12-13 12:24:53,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:53,874 INFO L85 PathProgramCache]: Analyzing trace with hash 91670750, now seen corresponding path program 1 times [2022-12-13 12:24:53,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:53,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257311841] [2022-12-13 12:24:53,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:53,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:24:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:24:53,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:24:53,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257311841] [2022-12-13 12:24:53,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257311841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:24:53,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:24:53,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 12:24:53,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156740027] [2022-12-13 12:24:53,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:24:53,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 12:24:53,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:24:53,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 12:24:53,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 12:24:53,883 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 814 [2022-12-13 12:24:53,883 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 188 transitions, 408 flow. Second operand has 2 states, 2 states have (on average 334.0) internal successors, (668), 2 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:24:53,883 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:24:53,883 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 814 [2022-12-13 12:24:53,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:26:16,402 INFO L130 PetriNetUnfolder]: 835647/1208585 cut-off events. [2022-12-13 12:26:16,403 INFO L131 PetriNetUnfolder]: For 61290/61290 co-relation queries the response was YES. [2022-12-13 12:26:18,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2273127 conditions, 1208585 events. 835647/1208585 cut-off events. For 61290/61290 co-relation queries the response was YES. Maximal size of possible extension queue 40651. Compared 12061689 event pairs, 672396 based on Foata normal form. 58860/1077346 useless extension candidates. Maximal degree in co-relation 111194. Up to 1032642 conditions per place. [2022-12-13 12:26:23,870 INFO L137 encePairwiseOnDemand]: 767/814 looper letters, 80 selfloop transitions, 0 changer transitions 0/141 dead transitions. [2022-12-13 12:26:23,870 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 141 transitions, 474 flow [2022-12-13 12:26:23,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 12:26:23,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 12:26:23,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 791 transitions. [2022-12-13 12:26:23,872 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4858722358722359 [2022-12-13 12:26:23,872 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 791 transitions. [2022-12-13 12:26:23,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 791 transitions. [2022-12-13 12:26:23,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:26:23,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 791 transitions. [2022-12-13 12:26:23,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 395.5) internal successors, (791), 2 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:26:23,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 814.0) internal successors, (2442), 3 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:26:23,875 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 814.0) internal successors, (2442), 3 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:26:23,875 INFO L175 Difference]: Start difference. First operand has 179 places, 188 transitions, 408 flow. Second operand 2 states and 791 transitions. [2022-12-13 12:26:23,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 141 transitions, 474 flow [2022-12-13 12:26:23,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 141 transitions, 462 flow, removed 6 selfloop flow, removed 0 redundant places. [2022-12-13 12:26:23,908 INFO L231 Difference]: Finished difference. Result has 139 places, 141 transitions, 302 flow [2022-12-13 12:26:23,908 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=814, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=302, PETRI_PLACES=139, PETRI_TRANSITIONS=141} [2022-12-13 12:26:23,908 INFO L288 CegarLoopForPetriNet]: 179 programPoint places, -40 predicate places. [2022-12-13 12:26:23,908 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 141 transitions, 302 flow [2022-12-13 12:26:23,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 334.0) internal successors, (668), 2 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:26:23,908 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:26:23,908 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:26:23,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 12:26:23,909 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2022-12-13 12:26:23,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:26:23,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2098645312, now seen corresponding path program 1 times [2022-12-13 12:26:23,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:26:23,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361714883] [2022-12-13 12:26:23,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:26:23,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:26:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:26:23,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:26:23,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:26:23,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361714883] [2022-12-13 12:26:23,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361714883] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:26:23,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:26:23,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:26:23,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196321563] [2022-12-13 12:26:23,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:26:23,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:26:23,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:26:23,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:26:23,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:26:23,948 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 814 [2022-12-13 12:26:23,949 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 141 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:26:23,949 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:26:23,949 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 814 [2022-12-13 12:26:23,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand