./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/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_dfdc3cff-364a-46a0-8d03-12977fe48d9b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/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_dfdc3cff-364a-46a0-8d03-12977fe48d9b/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 bee6bfabfc9168d01d046a770b423c49a0035ad8b39e289385170f3b76ba2fb2 --- 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 22:31:24,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:31:24,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:31:24,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:31:24,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:31:24,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:31:24,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:31:24,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:31:24,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:31:24,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:31:24,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:31:24,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:31:24,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:31:24,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:31:24,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:31:24,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:31:24,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:31:24,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:31:24,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:31:24,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:31:24,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:31:24,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:31:24,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:31:24,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:31:24,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:31:24,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:31:24,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:31:24,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:31:24,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:31:24,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:31:24,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:31:24,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:31:24,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:31:24,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:31:24,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:31:24,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:31:24,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:31:24,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:31:24,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:31:24,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:31:24,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:31:24,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 22:31:24,924 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:31:24,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:31:24,925 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:31:24,925 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:31:24,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:31:24,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:31:24,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:31:24,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:31:24,926 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:31:24,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:31:24,927 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:31:24,927 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:31:24,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:31:24,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:31:24,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:31:24,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:31:24,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:31:24,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:31:24,928 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 22:31:24,928 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:31:24,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:31:24,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:31:24,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:31:24,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:31:24,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:31:24,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:31:24,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:31:24,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:31:24,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:31:24,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:31:24,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:31:24,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:31:24,930 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:31:24,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:31:24,930 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:31:24,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:31:24,931 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:31:24,931 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_dfdc3cff-364a-46a0-8d03-12977fe48d9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bee6bfabfc9168d01d046a770b423c49a0035ad8b39e289385170f3b76ba2fb2 [2022-12-13 22:31:25,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:31:25,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:31:25,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:31:25,139 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:31:25,140 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:31:25,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-b.i [2022-12-13 22:31:27,747 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:31:27,931 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:31:27,932 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-b.i [2022-12-13 22:31:27,944 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/bin/uautomizer-uyxdKDjOR8/data/73eb1303e/3709e8db23ac4a5b84744cb658da33c5/FLAG1b849cc3d [2022-12-13 22:31:27,958 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/bin/uautomizer-uyxdKDjOR8/data/73eb1303e/3709e8db23ac4a5b84744cb658da33c5 [2022-12-13 22:31:27,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:31:27,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:31:27,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:31:27,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:31:27,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:31:27,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:31:27" (1/1) ... [2022-12-13 22:31:27,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ff569f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:27, skipping insertion in model container [2022-12-13 22:31:27,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:31:27" (1/1) ... [2022-12-13 22:31:27,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:31:28,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:31:28,247 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_dfdc3cff-364a-46a0-8d03-12977fe48d9b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-b.i[30315,30328] [2022-12-13 22:31:28,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:31:28,261 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:31:28,298 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_dfdc3cff-364a-46a0-8d03-12977fe48d9b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-b.i[30315,30328] [2022-12-13 22:31:28,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:31:28,323 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:31:28,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28 WrapperNode [2022-12-13 22:31:28,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:31:28,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:31:28,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:31:28,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:31:28,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28" (1/1) ... [2022-12-13 22:31:28,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28" (1/1) ... [2022-12-13 22:31:28,366 INFO L138 Inliner]: procedures = 169, calls = 19, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 180 [2022-12-13 22:31:28,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:31:28,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:31:28,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:31:28,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:31:28,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28" (1/1) ... [2022-12-13 22:31:28,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28" (1/1) ... [2022-12-13 22:31:28,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28" (1/1) ... [2022-12-13 22:31:28,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28" (1/1) ... [2022-12-13 22:31:28,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28" (1/1) ... [2022-12-13 22:31:28,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28" (1/1) ... [2022-12-13 22:31:28,393 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28" (1/1) ... [2022-12-13 22:31:28,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28" (1/1) ... [2022-12-13 22:31:28,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:31:28,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:31:28,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:31:28,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:31:28,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28" (1/1) ... [2022-12-13 22:31:28,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:31:28,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:31:28,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:31:28,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdc3cff-364a-46a0-8d03-12977fe48d9b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:31:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:31:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-13 22:31:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-13 22:31:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:31:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:31:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:31:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:31:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:31:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:31:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:31:28,464 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 22:31:28,560 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:31:28,562 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:31:28,825 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:31:28,939 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:31:28,939 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 22:31:28,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:31:28 BoogieIcfgContainer [2022-12-13 22:31:28,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:31:28,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:31:28,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:31:28,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:31:28,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:31:27" (1/3) ... [2022-12-13 22:31:28,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c648b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:31:28, skipping insertion in model container [2022-12-13 22:31:28,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:31:28" (2/3) ... [2022-12-13 22:31:28,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c648b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:31:28, skipping insertion in model container [2022-12-13 22:31:28,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:31:28" (3/3) ... [2022-12-13 22:31:28,960 INFO L112 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs-b.i [2022-12-13 22:31:28,968 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 22:31:28,988 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:31:28,989 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-12-13 22:31:28,989 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 22:31:29,041 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 22:31:29,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 155 transitions, 315 flow [2022-12-13 22:31:29,124 INFO L130 PetriNetUnfolder]: 11/233 cut-off events. [2022-12-13 22:31:29,125 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:31:29,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 233 events. 11/233 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 733 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 137. Up to 4 conditions per place. [2022-12-13 22:31:29,130 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 155 transitions, 315 flow [2022-12-13 22:31:29,134 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 151 places, 155 transitions, 315 flow [2022-12-13 22:31:29,137 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 22:31:29,145 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 155 transitions, 315 flow [2022-12-13 22:31:29,148 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 155 transitions, 315 flow [2022-12-13 22:31:29,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 155 transitions, 315 flow [2022-12-13 22:31:29,181 INFO L130 PetriNetUnfolder]: 11/233 cut-off events. [2022-12-13 22:31:29,181 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:31:29,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 233 events. 11/233 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 733 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 137. Up to 4 conditions per place. [2022-12-13 22:31:29,185 INFO L119 LiptonReduction]: Number of co-enabled transitions 9234 [2022-12-13 22:31:30,192 INFO L134 LiptonReduction]: Checked pairs total: 43783 [2022-12-13 22:31:30,193 INFO L136 LiptonReduction]: Total number of compositions: 75 [2022-12-13 22:31:30,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:31:30,208 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;@350e50f9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:31:30,208 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2022-12-13 22:31:30,211 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2022-12-13 22:31:30,211 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:31:30,211 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:31:30,212 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 22:31:30,212 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-12-13 22:31:30,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:31:30,217 INFO L85 PathProgramCache]: Analyzing trace with hash 660089, now seen corresponding path program 1 times [2022-12-13 22:31:30,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:31:30,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122673552] [2022-12-13 22:31:30,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:31:30,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:31:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:30,352 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 22:31:30,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:31:30,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122673552] [2022-12-13 22:31:30,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122673552] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:31:30,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:31:30,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:31:30,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696088482] [2022-12-13 22:31:30,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:31:30,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 22:31:30,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:31:30,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 22:31:30,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:31:30,378 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 230 [2022-12-13 22:31:30,380 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 92 transitions, 189 flow. Second operand has 2 states, 2 states have (on average 136.5) internal successors, (273), 2 states have internal predecessors, (273), 0 states have call successors, (0), 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 22:31:30,380 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:31:30,380 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 230 [2022-12-13 22:31:30,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:31:30,493 INFO L130 PetriNetUnfolder]: 156/632 cut-off events. [2022-12-13 22:31:30,493 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:31:30,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 632 events. 156/632 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3456 event pairs, 130 based on Foata normal form. 26/535 useless extension candidates. Maximal degree in co-relation 899. Up to 324 conditions per place. [2022-12-13 22:31:30,497 INFO L137 encePairwiseOnDemand]: 216/230 looper letters, 27 selfloop transitions, 0 changer transitions 0/76 dead transitions. [2022-12-13 22:31:30,497 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 76 transitions, 211 flow [2022-12-13 22:31:30,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 22:31:30,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 22:31:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 311 transitions. [2022-12-13 22:31:30,507 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6760869565217391 [2022-12-13 22:31:30,508 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 311 transitions. [2022-12-13 22:31:30,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 311 transitions. [2022-12-13 22:31:30,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:31:30,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 311 transitions. [2022-12-13 22:31:30,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 155.5) internal successors, (311), 2 states have internal predecessors, (311), 0 states have call successors, (0), 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 22:31:30,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 0 states have call successors, (0), 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 22:31:30,522 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 0 states have call successors, (0), 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 22:31:30,523 INFO L175 Difference]: Start difference. First operand has 89 places, 92 transitions, 189 flow. Second operand 2 states and 311 transitions. [2022-12-13 22:31:30,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 76 transitions, 211 flow [2022-12-13 22:31:30,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 76 transitions, 211 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 22:31:30,527 INFO L231 Difference]: Finished difference. Result has 78 places, 76 transitions, 157 flow [2022-12-13 22:31:30,528 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=157, PETRI_PLACES=78, PETRI_TRANSITIONS=76} [2022-12-13 22:31:30,531 INFO L288 CegarLoopForPetriNet]: 89 programPoint places, -11 predicate places. [2022-12-13 22:31:30,531 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 76 transitions, 157 flow [2022-12-13 22:31:30,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 136.5) internal successors, (273), 2 states have internal predecessors, (273), 0 states have call successors, (0), 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 22:31:30,532 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:31:30,532 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2022-12-13 22:31:30,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:31:30,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-12-13 22:31:30,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:31:30,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1812419204, now seen corresponding path program 1 times [2022-12-13 22:31:30,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:31:30,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531579168] [2022-12-13 22:31:30,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:31:30,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:31:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:31:30,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:31:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:31:30,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:31:30,571 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:31:30,573 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining) [2022-12-13 22:31:30,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2022-12-13 22:31:30,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2022-12-13 22:31:30,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2022-12-13 22:31:30,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2022-12-13 22:31:30,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2022-12-13 22:31:30,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2022-12-13 22:31:30,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2022-12-13 22:31:30,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2022-12-13 22:31:30,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2022-12-13 22:31:30,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2022-12-13 22:31:30,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2022-12-13 22:31:30,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2022-12-13 22:31:30,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2022-12-13 22:31:30,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2022-12-13 22:31:30,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2022-12-13 22:31:30,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2022-12-13 22:31:30,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2022-12-13 22:31:30,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2022-12-13 22:31:30,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2022-12-13 22:31:30,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2022-12-13 22:31:30,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2022-12-13 22:31:30,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2022-12-13 22:31:30,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2022-12-13 22:31:30,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2022-12-13 22:31:30,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2022-12-13 22:31:30,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2022-12-13 22:31:30,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2022-12-13 22:31:30,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2022-12-13 22:31:30,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2022-12-13 22:31:30,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2022-12-13 22:31:30,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2022-12-13 22:31:30,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2022-12-13 22:31:30,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2022-12-13 22:31:30,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2022-12-13 22:31:30,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2022-12-13 22:31:30,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2022-12-13 22:31:30,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:31:30,582 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 22:31:30,584 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 22:31:30,584 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-13 22:31:30,608 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 22:31:30,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 213 transitions, 438 flow [2022-12-13 22:31:30,647 INFO L130 PetriNetUnfolder]: 18/371 cut-off events. [2022-12-13 22:31:30,647 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 22:31:30,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 371 events. 18/371 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1556 event pairs, 0 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 234. Up to 6 conditions per place. [2022-12-13 22:31:30,649 INFO L82 GeneralOperation]: Start removeDead. Operand has 208 places, 213 transitions, 438 flow [2022-12-13 22:31:30,652 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 208 places, 213 transitions, 438 flow [2022-12-13 22:31:30,652 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 22:31:30,652 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 213 transitions, 438 flow [2022-12-13 22:31:30,652 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 213 transitions, 438 flow [2022-12-13 22:31:30,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 213 transitions, 438 flow [2022-12-13 22:31:30,684 INFO L130 PetriNetUnfolder]: 18/371 cut-off events. [2022-12-13 22:31:30,684 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 22:31:30,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 371 events. 18/371 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1556 event pairs, 0 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 234. Up to 6 conditions per place. [2022-12-13 22:31:30,694 INFO L119 LiptonReduction]: Number of co-enabled transitions 25080 [2022-12-13 22:31:31,807 INFO L134 LiptonReduction]: Checked pairs total: 133434 [2022-12-13 22:31:31,807 INFO L136 LiptonReduction]: Total number of compositions: 91 [2022-12-13 22:31:31,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:31:31,810 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;@350e50f9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:31:31,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2022-12-13 22:31:31,811 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2022-12-13 22:31:31,811 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:31:31,811 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:31:31,811 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 22:31:31,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 22:31:31,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:31:31,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1019481, now seen corresponding path program 1 times [2022-12-13 22:31:31,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:31:31,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516216950] [2022-12-13 22:31:31,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:31:31,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:31:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:31,832 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 22:31:31,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:31:31,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516216950] [2022-12-13 22:31:31,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516216950] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:31:31,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:31:31,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:31:31,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195864255] [2022-12-13 22:31:31,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:31:31,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 22:31:31,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:31:31,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 22:31:31,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:31:31,834 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 304 [2022-12-13 22:31:31,835 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 135 transitions, 282 flow. Second operand has 2 states, 2 states have (on average 184.5) internal successors, (369), 2 states have internal predecessors, (369), 0 states have call successors, (0), 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 22:31:31,835 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:31:31,835 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 304 [2022-12-13 22:31:31,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:31:32,589 INFO L130 PetriNetUnfolder]: 3602/8139 cut-off events. [2022-12-13 22:31:32,589 INFO L131 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2022-12-13 22:31:32,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13676 conditions, 8139 events. 3602/8139 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 69148 event pairs, 3145 based on Foata normal form. 602/7594 useless extension candidates. Maximal degree in co-relation 9019. Up to 5488 conditions per place. [2022-12-13 22:31:32,622 INFO L137 encePairwiseOnDemand]: 284/304 looper letters, 39 selfloop transitions, 0 changer transitions 0/113 dead transitions. [2022-12-13 22:31:32,622 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 113 transitions, 316 flow [2022-12-13 22:31:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 22:31:32,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 22:31:32,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 425 transitions. [2022-12-13 22:31:32,624 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6990131578947368 [2022-12-13 22:31:32,624 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 425 transitions. [2022-12-13 22:31:32,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 425 transitions. [2022-12-13 22:31:32,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:31:32,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 425 transitions. [2022-12-13 22:31:32,626 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 22:31:32,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 304.0) internal successors, (912), 3 states have internal predecessors, (912), 0 states have call successors, (0), 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 22:31:32,627 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 304.0) internal successors, (912), 3 states have internal predecessors, (912), 0 states have call successors, (0), 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 22:31:32,627 INFO L175 Difference]: Start difference. First operand has 132 places, 135 transitions, 282 flow. Second operand 2 states and 425 transitions. [2022-12-13 22:31:32,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 113 transitions, 316 flow [2022-12-13 22:31:32,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 113 transitions, 314 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-12-13 22:31:32,629 INFO L231 Difference]: Finished difference. Result has 116 places, 113 transitions, 236 flow [2022-12-13 22:31:32,629 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=236, PETRI_PLACES=116, PETRI_TRANSITIONS=113} [2022-12-13 22:31:32,630 INFO L288 CegarLoopForPetriNet]: 132 programPoint places, -16 predicate places. [2022-12-13 22:31:32,630 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 113 transitions, 236 flow [2022-12-13 22:31:32,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 184.5) internal successors, (369), 2 states have internal predecessors, (369), 0 states have call successors, (0), 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 22:31:32,631 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:31:32,631 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:31:32,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:31:32,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 22:31:32,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:31:32,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1765619257, now seen corresponding path program 1 times [2022-12-13 22:31:32,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:31:32,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637950065] [2022-12-13 22:31:32,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:31:32,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:31:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:32,896 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 22:31:32,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:31:32,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637950065] [2022-12-13 22:31:32,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637950065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:31:32,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:31:32,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:31:32,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221258645] [2022-12-13 22:31:32,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:31:32,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:31:32,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:31:32,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:31:32,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:31:33,029 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 304 [2022-12-13 22:31:33,031 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 113 transitions, 236 flow. Second operand has 6 states, 6 states have (on average 175.33333333333334) internal successors, (1052), 6 states have internal predecessors, (1052), 0 states have call successors, (0), 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 22:31:33,032 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:31:33,032 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 304 [2022-12-13 22:31:33,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:31:34,704 INFO L130 PetriNetUnfolder]: 9682/21623 cut-off events. [2022-12-13 22:31:34,704 INFO L131 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2022-12-13 22:31:34,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36336 conditions, 21623 events. 9682/21623 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 213617 event pairs, 2921 based on Foata normal form. 0/19060 useless extension candidates. Maximal degree in co-relation 36331. Up to 8032 conditions per place. [2022-12-13 22:31:34,804 INFO L137 encePairwiseOnDemand]: 295/304 looper letters, 140 selfloop transitions, 14 changer transitions 0/222 dead transitions. [2022-12-13 22:31:34,804 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 222 transitions, 762 flow [2022-12-13 22:31:34,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:31:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 22:31:34,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1199 transitions. [2022-12-13 22:31:34,807 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6573464912280702 [2022-12-13 22:31:34,807 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1199 transitions. [2022-12-13 22:31:34,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1199 transitions. [2022-12-13 22:31:34,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:31:34,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1199 transitions. [2022-12-13 22:31:34,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 199.83333333333334) internal successors, (1199), 6 states have internal predecessors, (1199), 0 states have call successors, (0), 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 22:31:34,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 304.0) internal successors, (2128), 7 states have internal predecessors, (2128), 0 states have call successors, (0), 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 22:31:34,815 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 304.0) internal successors, (2128), 7 states have internal predecessors, (2128), 0 states have call successors, (0), 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 22:31:34,815 INFO L175 Difference]: Start difference. First operand has 116 places, 113 transitions, 236 flow. Second operand 6 states and 1199 transitions. [2022-12-13 22:31:34,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 222 transitions, 762 flow [2022-12-13 22:31:34,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 222 transitions, 762 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 22:31:34,819 INFO L231 Difference]: Finished difference. Result has 126 places, 127 transitions, 338 flow [2022-12-13 22:31:34,819 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=338, PETRI_PLACES=126, PETRI_TRANSITIONS=127} [2022-12-13 22:31:34,820 INFO L288 CegarLoopForPetriNet]: 132 programPoint places, -6 predicate places. [2022-12-13 22:31:34,820 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 127 transitions, 338 flow [2022-12-13 22:31:34,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 175.33333333333334) internal successors, (1052), 6 states have internal predecessors, (1052), 0 states have call successors, (0), 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 22:31:34,820 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:31:34,820 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-13 22:31:34,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 22:31:34,821 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-13 22:31:34,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:31:34,821 INFO L85 PathProgramCache]: Analyzing trace with hash 937030931, now seen corresponding path program 1 times [2022-12-13 22:31:34,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:31:34,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447344680] [2022-12-13 22:31:34,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:31:34,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:31:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:31:34,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:31:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:31:34,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:31:34,848 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:31:34,849 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 49 remaining) [2022-12-13 22:31:34,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2022-12-13 22:31:34,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2022-12-13 22:31:34,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2022-12-13 22:31:34,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2022-12-13 22:31:34,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2022-12-13 22:31:34,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2022-12-13 22:31:34,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2022-12-13 22:31:34,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2022-12-13 22:31:34,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2022-12-13 22:31:34,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2022-12-13 22:31:34,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2022-12-13 22:31:34,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2022-12-13 22:31:34,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2022-12-13 22:31:34,851 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2022-12-13 22:31:34,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2022-12-13 22:31:34,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2022-12-13 22:31:34,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2022-12-13 22:31:34,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2022-12-13 22:31:34,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2022-12-13 22:31:34,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2022-12-13 22:31:34,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2022-12-13 22:31:34,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2022-12-13 22:31:34,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2022-12-13 22:31:34,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2022-12-13 22:31:34,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2022-12-13 22:31:34,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2022-12-13 22:31:34,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2022-12-13 22:31:34,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2022-12-13 22:31:34,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2022-12-13 22:31:34,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining) [2022-12-13 22:31:34,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining) [2022-12-13 22:31:34,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2022-12-13 22:31:34,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2022-12-13 22:31:34,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2022-12-13 22:31:34,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2022-12-13 22:31:34,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2022-12-13 22:31:34,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2022-12-13 22:31:34,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2022-12-13 22:31:34,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2022-12-13 22:31:34,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2022-12-13 22:31:34,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2022-12-13 22:31:34,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2022-12-13 22:31:34,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2022-12-13 22:31:34,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2022-12-13 22:31:34,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2022-12-13 22:31:34,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2022-12-13 22:31:34,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2022-12-13 22:31:34,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2022-12-13 22:31:34,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 22:31:34,858 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 22:31:34,859 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 22:31:34,859 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-12-13 22:31:34,923 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 22:31:34,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 271 transitions, 563 flow [2022-12-13 22:31:34,995 INFO L130 PetriNetUnfolder]: 25/509 cut-off events. [2022-12-13 22:31:34,995 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 22:31:34,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 509 events. 25/509 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2439 event pairs, 0 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 375. Up to 8 conditions per place. [2022-12-13 22:31:34,998 INFO L82 GeneralOperation]: Start removeDead. Operand has 265 places, 271 transitions, 563 flow [2022-12-13 22:31:35,001 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 265 places, 271 transitions, 563 flow [2022-12-13 22:31:35,002 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 22:31:35,002 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 271 transitions, 563 flow [2022-12-13 22:31:35,002 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 271 transitions, 563 flow [2022-12-13 22:31:35,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 271 transitions, 563 flow [2022-12-13 22:31:35,049 INFO L130 PetriNetUnfolder]: 25/509 cut-off events. [2022-12-13 22:31:35,049 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 22:31:35,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 509 events. 25/509 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2439 event pairs, 0 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 375. Up to 8 conditions per place. [2022-12-13 22:31:35,067 INFO L119 LiptonReduction]: Number of co-enabled transitions 47538 [2022-12-13 22:31:36,202 INFO L134 LiptonReduction]: Checked pairs total: 266028 [2022-12-13 22:31:36,202 INFO L136 LiptonReduction]: Total number of compositions: 110 [2022-12-13 22:31:36,204 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:31:36,204 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;@350e50f9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:31:36,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2022-12-13 22:31:36,205 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2022-12-13 22:31:36,205 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:31:36,205 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:31:36,205 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 22:31:36,206 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-12-13 22:31:36,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:31:36,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1455331, now seen corresponding path program 1 times [2022-12-13 22:31:36,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:31:36,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015924469] [2022-12-13 22:31:36,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:31:36,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:31:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:36,217 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 22:31:36,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:31:36,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015924469] [2022-12-13 22:31:36,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015924469] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:31:36,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:31:36,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:31:36,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897964717] [2022-12-13 22:31:36,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:31:36,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 22:31:36,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:31:36,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 22:31:36,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:31:36,219 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 381 [2022-12-13 22:31:36,220 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 181 transitions, 383 flow. Second operand has 2 states, 2 states have (on average 232.5) internal successors, (465), 2 states have internal predecessors, (465), 0 states have call successors, (0), 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 22:31:36,220 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:31:36,220 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 381 [2022-12-13 22:31:36,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:31:44,240 INFO L130 PetriNetUnfolder]: 55332/102826 cut-off events. [2022-12-13 22:31:44,241 INFO L131 PetriNetUnfolder]: For 817/817 co-relation queries the response was YES. [2022-12-13 22:31:44,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177789 conditions, 102826 events. 55332/102826 cut-off events. For 817/817 co-relation queries the response was YES. Maximal size of possible extension queue 2416. Compared 1063227 event pairs, 48850 based on Foata normal form. 12964/102137 useless extension candidates. Maximal degree in co-relation 60763. Up to 74365 conditions per place. [2022-12-13 22:31:44,886 INFO L137 encePairwiseOnDemand]: 353/381 looper letters, 50 selfloop transitions, 0 changer transitions 0/149 dead transitions. [2022-12-13 22:31:44,886 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 149 transitions, 419 flow [2022-12-13 22:31:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 22:31:44,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 22:31:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 540 transitions. [2022-12-13 22:31:44,888 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7086614173228346 [2022-12-13 22:31:44,888 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 540 transitions. [2022-12-13 22:31:44,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 540 transitions. [2022-12-13 22:31:44,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:31:44,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 540 transitions. [2022-12-13 22:31:44,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 270.0) internal successors, (540), 2 states have internal predecessors, (540), 0 states have call successors, (0), 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 22:31:44,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 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 22:31:44,891 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 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 22:31:44,891 INFO L175 Difference]: Start difference. First operand has 176 places, 181 transitions, 383 flow. Second operand 2 states and 540 transitions. [2022-12-13 22:31:44,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 149 transitions, 419 flow [2022-12-13 22:31:44,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 149 transitions, 413 flow, removed 3 selfloop flow, removed 0 redundant places. [2022-12-13 22:31:44,894 INFO L231 Difference]: Finished difference. Result has 153 places, 149 transitions, 313 flow [2022-12-13 22:31:44,895 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=313, PETRI_PLACES=153, PETRI_TRANSITIONS=149} [2022-12-13 22:31:44,895 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -23 predicate places. [2022-12-13 22:31:44,895 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 149 transitions, 313 flow [2022-12-13 22:31:44,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 232.5) internal successors, (465), 2 states have internal predecessors, (465), 0 states have call successors, (0), 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 22:31:44,896 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:31:44,896 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:31:44,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 22:31:44,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-12-13 22:31:44,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:31:44,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1193441425, now seen corresponding path program 1 times [2022-12-13 22:31:44,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:31:44,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486531636] [2022-12-13 22:31:44,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:31:44,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:31:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:31:45,060 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 22:31:45,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:31:45,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486531636] [2022-12-13 22:31:45,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486531636] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:31:45,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:31:45,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:31:45,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411597905] [2022-12-13 22:31:45,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:31:45,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:31:45,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:31:45,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:31:45,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:31:45,227 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 381 [2022-12-13 22:31:45,230 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 149 transitions, 313 flow. Second operand has 6 states, 6 states have (on average 223.33333333333334) internal successors, (1340), 6 states have internal predecessors, (1340), 0 states have call successors, (0), 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 22:31:45,230 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:31:45,230 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 381 [2022-12-13 22:31:45,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:32:05,105 INFO L130 PetriNetUnfolder]: 149751/273048 cut-off events. [2022-12-13 22:32:05,106 INFO L131 PetriNetUnfolder]: For 384/384 co-relation queries the response was YES. [2022-12-13 22:32:05,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474273 conditions, 273048 events. 149751/273048 cut-off events. For 384/384 co-relation queries the response was YES. Maximal size of possible extension queue 6242. Compared 3130116 event pairs, 54240 based on Foata normal form. 0/241709 useless extension candidates. Maximal degree in co-relation 474267. Up to 112700 conditions per place. [2022-12-13 22:32:06,657 INFO L137 encePairwiseOnDemand]: 371/381 looper letters, 187 selfloop transitions, 18 changer transitions 0/298 dead transitions. [2022-12-13 22:32:06,657 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 298 transitions, 1021 flow [2022-12-13 22:32:06,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:32:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 22:32:06,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1538 transitions. [2022-12-13 22:32:06,665 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6727909011373578 [2022-12-13 22:32:06,665 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1538 transitions. [2022-12-13 22:32:06,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1538 transitions. [2022-12-13 22:32:06,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:32:06,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1538 transitions. [2022-12-13 22:32:06,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 256.3333333333333) internal successors, (1538), 6 states have internal predecessors, (1538), 0 states have call successors, (0), 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 22:32:06,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 381.0) internal successors, (2667), 7 states have internal predecessors, (2667), 0 states have call successors, (0), 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 22:32:06,672 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 381.0) internal successors, (2667), 7 states have internal predecessors, (2667), 0 states have call successors, (0), 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 22:32:06,673 INFO L175 Difference]: Start difference. First operand has 153 places, 149 transitions, 313 flow. Second operand 6 states and 1538 transitions. [2022-12-13 22:32:06,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 298 transitions, 1021 flow [2022-12-13 22:32:06,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 298 transitions, 1021 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 22:32:06,676 INFO L231 Difference]: Finished difference. Result has 163 places, 167 transitions, 441 flow [2022-12-13 22:32:06,677 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=441, PETRI_PLACES=163, PETRI_TRANSITIONS=167} [2022-12-13 22:32:06,677 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -13 predicate places. [2022-12-13 22:32:06,677 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 167 transitions, 441 flow [2022-12-13 22:32:06,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 223.33333333333334) internal successors, (1340), 6 states have internal predecessors, (1340), 0 states have call successors, (0), 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 22:32:06,678 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:32:06,678 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:32:06,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 22:32:06,678 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-12-13 22:32:06,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:32:06,679 INFO L85 PathProgramCache]: Analyzing trace with hash -957538672, now seen corresponding path program 1 times [2022-12-13 22:32:06,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:32:06,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825456879] [2022-12-13 22:32:06,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:32:06,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:32:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:32:07,025 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 22:32:07,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:32:07,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825456879] [2022-12-13 22:32:07,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825456879] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:32:07,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:32:07,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:32:07,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804722386] [2022-12-13 22:32:07,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:32:07,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:32:07,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:32:07,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:32:07,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:32:07,182 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 381 [2022-12-13 22:32:07,184 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 167 transitions, 441 flow. Second operand has 6 states, 6 states have (on average 224.66666666666666) internal successors, (1348), 6 states have internal predecessors, (1348), 0 states have call successors, (0), 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 22:32:07,184 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:32:07,184 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 381 [2022-12-13 22:32:07,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:32:55,283 INFO L130 PetriNetUnfolder]: 326654/610431 cut-off events. [2022-12-13 22:32:55,284 INFO L131 PetriNetUnfolder]: For 69813/72604 co-relation queries the response was YES. [2022-12-13 22:32:57,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1107733 conditions, 610431 events. 326654/610431 cut-off events. For 69813/72604 co-relation queries the response was YES. Maximal size of possible extension queue 14350. Compared 7854058 event pairs, 96973 based on Foata normal form. 24/541800 useless extension candidates. Maximal degree in co-relation 1107722. Up to 232808 conditions per place. [2022-12-13 22:32:59,815 INFO L137 encePairwiseOnDemand]: 371/381 looper letters, 220 selfloop transitions, 50 changer transitions 0/368 dead transitions. [2022-12-13 22:32:59,815 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 368 transitions, 1591 flow [2022-12-13 22:32:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:32:59,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 22:32:59,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1560 transitions. [2022-12-13 22:32:59,818 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6824146981627297 [2022-12-13 22:32:59,818 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1560 transitions. [2022-12-13 22:32:59,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1560 transitions. [2022-12-13 22:32:59,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:32:59,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1560 transitions. [2022-12-13 22:32:59,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 260.0) internal successors, (1560), 6 states have internal predecessors, (1560), 0 states have call successors, (0), 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 22:32:59,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 381.0) internal successors, (2667), 7 states have internal predecessors, (2667), 0 states have call successors, (0), 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 22:32:59,825 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 381.0) internal successors, (2667), 7 states have internal predecessors, (2667), 0 states have call successors, (0), 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 22:32:59,825 INFO L175 Difference]: Start difference. First operand has 163 places, 167 transitions, 441 flow. Second operand 6 states and 1560 transitions. [2022-12-13 22:32:59,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 368 transitions, 1591 flow [2022-12-13 22:32:59,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 368 transitions, 1591 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 22:32:59,876 INFO L231 Difference]: Finished difference. Result has 173 places, 217 transitions, 921 flow [2022-12-13 22:32:59,877 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=381, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=921, PETRI_PLACES=173, PETRI_TRANSITIONS=217} [2022-12-13 22:32:59,877 INFO L288 CegarLoopForPetriNet]: 176 programPoint places, -3 predicate places. [2022-12-13 22:32:59,877 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 217 transitions, 921 flow [2022-12-13 22:32:59,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.66666666666666) internal successors, (1348), 6 states have internal predecessors, (1348), 0 states have call successors, (0), 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 22:32:59,878 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:32:59,878 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:32:59,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 22:32:59,878 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-12-13 22:32:59,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:32:59,878 INFO L85 PathProgramCache]: Analyzing trace with hash 140974947, now seen corresponding path program 1 times [2022-12-13 22:32:59,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:32:59,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358790479] [2022-12-13 22:32:59,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:32:59,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:32:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:32:59,896 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 22:32:59,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:32:59,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358790479] [2022-12-13 22:32:59,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358790479] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:32:59,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:32:59,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:32:59,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303035944] [2022-12-13 22:32:59,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:32:59,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:32:59,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:32:59,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:32:59,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:32:59,928 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 381 [2022-12-13 22:32:59,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 217 transitions, 921 flow. Second operand has 3 states, 3 states have (on average 204.66666666666666) internal successors, (614), 3 states have internal predecessors, (614), 0 states have call successors, (0), 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 22:32:59,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:32:59,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 381 [2022-12-13 22:32:59,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:33:06,189 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1159] L700-1-->L701-14: Formula: (let ((.cse4 (select |v_#race_143| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11|)) (.cse3 (+ |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| 3))) (let ((.cse1 (+ |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| 1)) (.cse2 (+ |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| 2)) (.cse0 (select .cse4 .cse3))) (and (= |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset_11|) (= |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base_11| |v_thr1Thread3of3ForFork0_~#l~0#1.base_5|) (= (ite (not (= 4294967295 (mod v_~t~0_125 4294967296))) 1 0) |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_9|) (= |v_thr1Thread3of3ForFork0_~#l~0#1.offset_5| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset_11|) (= |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base_11|) (= (store |v_#race_144| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11| (store (store (store (store (select |v_#race_144| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11|) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| .cse0) .cse1 .cse0) .cse2 .cse0) .cse3 .cse0)) |v_#race_143|) (= .cse0 (select .cse4 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11|)) (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= (select .cse4 .cse1) .cse0) (= v_~t~0_124 (+ v_~t~0_125 1)) (= (select .cse4 .cse2) .cse0) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_9| |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_9|) (= (store |v_#memory_int_76| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11| (store (select |v_#memory_int_76| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11|) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| v_~t~0_125)) |v_#memory_int_75|)))) InVars {#race=|v_#race_144|, #memory_int=|v_#memory_int_76|, thr1Thread3of3ForFork0_~#l~0#1.base=|v_thr1Thread3of3ForFork0_~#l~0#1.base_5|, thr1Thread3of3ForFork0_~#l~0#1.offset=|v_thr1Thread3of3ForFork0_~#l~0#1.offset_5|, ~t~0=v_~t~0_125} OutVars{#race=|v_#race_143|, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet4#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet4#1_11|, thr1Thread3of3ForFork0_~#l~0#1.base=|v_thr1Thread3of3ForFork0_~#l~0#1.base_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset_11|, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11|, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base_11|, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet3#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet3#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_9|, #memory_int=|v_#memory_int_75|, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11|, #race~t~0=|v_#race~t~0_185|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_9|, thr1Thread3of3ForFork0_~#l~0#1.offset=|v_thr1Thread3of3ForFork0_~#l~0#1.offset_5|, ~t~0=v_~t~0_124} AuxVars[] AssignedVars[#race, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet4#1, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet3#1, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset, #memory_int, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base, #race~t~0, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1, ~t~0][212], [Black: 288#(and (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ 3 |thr1Thread1of3ForFork0_~#l~0#1.offset|)) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) |thr1Thread1of3ForFork0_~#l~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ |thr1Thread1of3ForFork0_~#l~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ 2 |thr1Thread1of3ForFork0_~#l~0#1.offset|)) 0)), Black: 286#(and (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) |thr1Thread1of3ForFork0_~#l~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ |thr1Thread1of3ForFork0_~#l~0#1.offset| 1)) 0)), Black: 285#(= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) |thr1Thread1of3ForFork0_~#l~0#1.offset|) 0), 110#$Ultimate##0true, thr1Thread1of3ForFork0InUse, Black: 287#(and (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) |thr1Thread1of3ForFork0_~#l~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ |thr1Thread1of3ForFork0_~#l~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ 2 |thr1Thread1of3ForFork0_~#l~0#1.offset|)) 0)), 283#true, thr1Thread2of3ForFork0InUse, 157#L701-8true, thr1Thread3of3ForFork0InUse, 214#L701-14true, 40#L701-8true, 271#true, 297#(= |#race~s~0| 0), 268#true, Black: 274#(and (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) |ULTIMATE.start_thr1_~#l~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ |ULTIMATE.start_thr1_~#l~0#1.offset| 1)) 0)), Black: 276#(and (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ 3 |ULTIMATE.start_thr1_~#l~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ 2 |ULTIMATE.start_thr1_~#l~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) |ULTIMATE.start_thr1_~#l~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ |ULTIMATE.start_thr1_~#l~0#1.offset| 1)) 0)), Black: 275#(and (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ 2 |ULTIMATE.start_thr1_~#l~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) |ULTIMATE.start_thr1_~#l~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ |ULTIMATE.start_thr1_~#l~0#1.offset| 1)) 0)), Black: 273#(= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) |ULTIMATE.start_thr1_~#l~0#1.offset|) 0)]) [2022-12-13 22:33:06,189 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2022-12-13 22:33:06,189 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 22:33:06,189 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 22:33:06,189 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2022-12-13 22:33:06,948 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1159] L700-1-->L701-14: Formula: (let ((.cse4 (select |v_#race_143| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11|)) (.cse3 (+ |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| 3))) (let ((.cse1 (+ |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| 1)) (.cse2 (+ |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| 2)) (.cse0 (select .cse4 .cse3))) (and (= |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset_11|) (= |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base_11| |v_thr1Thread3of3ForFork0_~#l~0#1.base_5|) (= (ite (not (= 4294967295 (mod v_~t~0_125 4294967296))) 1 0) |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_9|) (= |v_thr1Thread3of3ForFork0_~#l~0#1.offset_5| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset_11|) (= |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base_11|) (= (store |v_#race_144| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11| (store (store (store (store (select |v_#race_144| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11|) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| .cse0) .cse1 .cse0) .cse2 .cse0) .cse3 .cse0)) |v_#race_143|) (= .cse0 (select .cse4 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11|)) (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= (select .cse4 .cse1) .cse0) (= v_~t~0_124 (+ v_~t~0_125 1)) (= (select .cse4 .cse2) .cse0) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_9| |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_9|) (= (store |v_#memory_int_76| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11| (store (select |v_#memory_int_76| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11|) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| v_~t~0_125)) |v_#memory_int_75|)))) InVars {#race=|v_#race_144|, #memory_int=|v_#memory_int_76|, thr1Thread3of3ForFork0_~#l~0#1.base=|v_thr1Thread3of3ForFork0_~#l~0#1.base_5|, thr1Thread3of3ForFork0_~#l~0#1.offset=|v_thr1Thread3of3ForFork0_~#l~0#1.offset_5|, ~t~0=v_~t~0_125} OutVars{#race=|v_#race_143|, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet4#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet4#1_11|, thr1Thread3of3ForFork0_~#l~0#1.base=|v_thr1Thread3of3ForFork0_~#l~0#1.base_5|, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset_11|, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11|, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base_11|, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet3#1=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet3#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_9|, #memory_int=|v_#memory_int_75|, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base=|v_thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11|, #race~t~0=|v_#race~t~0_185|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_9|, thr1Thread3of3ForFork0_~#l~0#1.offset=|v_thr1Thread3of3ForFork0_~#l~0#1.offset_5|, ~t~0=v_~t~0_124} AuxVars[] AssignedVars[#race, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet4#1, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet3#1, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset, #memory_int, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base, #race~t~0, thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1, ~t~0][212], [Black: 288#(and (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ 3 |thr1Thread1of3ForFork0_~#l~0#1.offset|)) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) |thr1Thread1of3ForFork0_~#l~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ |thr1Thread1of3ForFork0_~#l~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ 2 |thr1Thread1of3ForFork0_~#l~0#1.offset|)) 0)), Black: 286#(and (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) |thr1Thread1of3ForFork0_~#l~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ |thr1Thread1of3ForFork0_~#l~0#1.offset| 1)) 0)), Black: 285#(= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) |thr1Thread1of3ForFork0_~#l~0#1.offset|) 0), Black: 287#(and (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) |thr1Thread1of3ForFork0_~#l~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ |thr1Thread1of3ForFork0_~#l~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ 2 |thr1Thread1of3ForFork0_~#l~0#1.offset|)) 0)), thr1Thread1of3ForFork0InUse, 283#true, thr1Thread2of3ForFork0InUse, 157#L701-8true, thr1Thread3of3ForFork0InUse, 214#L701-14true, 40#L701-8true, 271#true, 297#(= |#race~s~0| 0), 268#true, Black: 274#(and (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) |ULTIMATE.start_thr1_~#l~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ |ULTIMATE.start_thr1_~#l~0#1.offset| 1)) 0)), Black: 276#(and (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ 3 |ULTIMATE.start_thr1_~#l~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ 2 |ULTIMATE.start_thr1_~#l~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) |ULTIMATE.start_thr1_~#l~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ |ULTIMATE.start_thr1_~#l~0#1.offset| 1)) 0)), Black: 275#(and (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ 2 |ULTIMATE.start_thr1_~#l~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) |ULTIMATE.start_thr1_~#l~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ |ULTIMATE.start_thr1_~#l~0#1.offset| 1)) 0)), Black: 273#(= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) |ULTIMATE.start_thr1_~#l~0#1.offset|) 0), 228#L700-1true]) [2022-12-13 22:33:06,949 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2022-12-13 22:33:06,949 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 22:33:06,949 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 22:33:06,949 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 22:33:06,950 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1273] L700-1-->L701-14: Formula: (let ((.cse0 (select |v_#race_143| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11|)) (.cse4 (+ |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| 3))) (let ((.cse2 (+ |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| 1)) (.cse3 (+ |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| 2)) (.cse1 (select .cse0 .cse4))) (and (= |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base_11|) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (not (= 4294967295 (mod v_~t~0_125 4294967296))) 1 0)) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= |v_#memory_int_75| (store |v_#memory_int_76| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11| (store (select |v_#memory_int_76| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11|) |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| v_~t~0_125))) (= (select .cse0 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11|) .cse1) (= v_~t~0_124 (+ v_~t~0_125 1)) (= .cse1 (select .cse0 .cse2)) (= |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base_11| |v_thr1Thread2of3ForFork0_~#l~0#1.base_5|) (= |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset_11|) (= |v_thr1Thread2of3ForFork0_~#l~0#1.offset_5| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset_11|) (= (select .cse0 .cse3) .cse1) (= (store |v_#race_144| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11| (store (store (store (store (select |v_#race_144| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11|) |v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11| .cse1) .cse2 .cse1) .cse3 .cse1) .cse4 .cse1)) |v_#race_143|)))) InVars {#race=|v_#race_144|, #memory_int=|v_#memory_int_76|, thr1Thread2of3ForFork0_~#l~0#1.base=|v_thr1Thread2of3ForFork0_~#l~0#1.base_5|, thr1Thread2of3ForFork0_~#l~0#1.offset=|v_thr1Thread2of3ForFork0_~#l~0#1.offset_5|, ~t~0=v_~t~0_125} OutVars{#race=|v_#race_143|, thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet3#1=|v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet3#1_11|, thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base=|v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base_11|, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9|, thr1Thread2of3ForFork0_~#l~0#1.offset=|v_thr1Thread2of3ForFork0_~#l~0#1.offset_5|, thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base=|v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base_11|, thr1Thread2of3ForFork0_~#l~0#1.base=|v_thr1Thread2of3ForFork0_~#l~0#1.base_5|, thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet4#1=|v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet4#1_11|, thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset=|v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset_11|, #memory_int=|v_#memory_int_75|, #race~t~0=|v_#race~t~0_185|, thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset=|v_thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset_11|, ~t~0=v_~t~0_124} AuxVars[] AssignedVars[#race, thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet3#1, thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base, thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base, thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#t~nondet4#1, thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset, #memory_int, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, #race~t~0, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1, thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset, ~t~0][164], [Black: 288#(and (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ 3 |thr1Thread1of3ForFork0_~#l~0#1.offset|)) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) |thr1Thread1of3ForFork0_~#l~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ |thr1Thread1of3ForFork0_~#l~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ 2 |thr1Thread1of3ForFork0_~#l~0#1.offset|)) 0)), Black: 286#(and (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) |thr1Thread1of3ForFork0_~#l~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ |thr1Thread1of3ForFork0_~#l~0#1.offset| 1)) 0)), Black: 285#(= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) |thr1Thread1of3ForFork0_~#l~0#1.offset|) 0), Black: 287#(and (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) |thr1Thread1of3ForFork0_~#l~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ |thr1Thread1of3ForFork0_~#l~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of3ForFork0_~#l~0#1.base|) (+ 2 |thr1Thread1of3ForFork0_~#l~0#1.offset|)) 0)), thr1Thread1of3ForFork0InUse, 283#true, thr1Thread2of3ForFork0InUse, 157#L701-8true, thr1Thread3of3ForFork0InUse, 173#L701-14true, 40#L701-8true, 34#L700-1true, 271#true, 297#(= |#race~s~0| 0), 268#true, Black: 274#(and (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) |ULTIMATE.start_thr1_~#l~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ |ULTIMATE.start_thr1_~#l~0#1.offset| 1)) 0)), Black: 276#(and (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ 3 |ULTIMATE.start_thr1_~#l~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ 2 |ULTIMATE.start_thr1_~#l~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) |ULTIMATE.start_thr1_~#l~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ |ULTIMATE.start_thr1_~#l~0#1.offset| 1)) 0)), Black: 275#(and (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ 2 |ULTIMATE.start_thr1_~#l~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) |ULTIMATE.start_thr1_~#l~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) (+ |ULTIMATE.start_thr1_~#l~0#1.offset| 1)) 0)), Black: 273#(= (select (select |#race| |ULTIMATE.start_thr1_~#l~0#1.base|) |ULTIMATE.start_thr1_~#l~0#1.offset|) 0)]) [2022-12-13 22:33:06,950 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2022-12-13 22:33:06,950 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 22:33:06,950 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2022-12-13 22:33:06,950 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event