./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8 --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 f7efed4227021db06f22a3abd4d1096de1449b086dcfb78e041156858b4360a4 --- 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-e04fb08 [2022-11-16 11:06:44,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:06:44,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:06:44,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:06:44,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:06:44,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:06:44,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:06:44,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:06:44,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:06:44,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:06:44,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:06:44,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:06:44,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:06:44,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:06:44,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:06:44,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:06:44,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:06:44,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:06:44,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:06:44,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:06:44,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:06:44,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:06:44,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:06:44,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:06:44,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:06:44,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:06:44,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:06:44,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:06:44,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:06:44,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:06:44,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:06:44,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:06:44,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:06:44,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:06:44,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:06:44,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:06:44,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:06:44,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:06:44,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:06:44,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:06:44,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:06:44,963 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:06:45,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:06:45,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:06:45,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:06:45,012 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:06:45,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:06:45,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:06:45,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:06:45,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:06:45,015 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:06:45,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:06:45,017 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:06:45,017 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:06:45,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:06:45,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:06:45,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:06:45,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:06:45,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:06:45,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:06:45,019 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:06:45,019 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:06:45,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:06:45,020 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:06:45,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:06:45,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:06:45,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:06:45,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:06:45,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:06:45,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:06:45,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:06:45,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:06:45,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:06:45,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:06:45,025 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:06:45,025 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:06:45,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:06:45,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7efed4227021db06f22a3abd4d1096de1449b086dcfb78e041156858b4360a4 [2022-11-16 11:06:45,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:06:45,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:06:45,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:06:45,444 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:06:45,445 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:06:45,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i [2022-11-16 11:06:45,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/data/2776e524b/7f0ddc82b442440e84f3b6f27ddde12e/FLAG4488b20c3 [2022-11-16 11:06:46,157 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:06:46,157 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i [2022-11-16 11:06:46,176 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/data/2776e524b/7f0ddc82b442440e84f3b6f27ddde12e/FLAG4488b20c3 [2022-11-16 11:06:46,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/data/2776e524b/7f0ddc82b442440e84f3b6f27ddde12e [2022-11-16 11:06:46,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:06:46,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:06:46,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:06:46,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:06:46,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:06:46,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:06:46" (1/1) ... [2022-11-16 11:06:46,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f2ed96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:46, skipping insertion in model container [2022-11-16 11:06:46,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:06:46" (1/1) ... [2022-11-16 11:06:46,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:06:46,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:06:46,714 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 11:06:46,922 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[30448,30461] [2022-11-16 11:06:46,953 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[30811,30824] [2022-11-16 11:06:46,986 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31483,31496] [2022-11-16 11:06:46,987 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31534,31547] [2022-11-16 11:06:46,998 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31683,31696] [2022-11-16 11:06:47,001 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31760,31773] [2022-11-16 11:06:47,004 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31807,31820] [2022-11-16 11:06:47,014 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31916,31929] [2022-11-16 11:06:47,017 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32035,32048] [2022-11-16 11:06:47,021 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32083,32096] [2022-11-16 11:06:47,024 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32160,32173] [2022-11-16 11:06:47,028 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32286,32299] [2022-11-16 11:06:47,039 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32897,32910] [2022-11-16 11:06:47,045 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32974,32987] [2022-11-16 11:06:47,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:06:47,069 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:06:47,096 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 11:06:47,141 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[30448,30461] [2022-11-16 11:06:47,145 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[30811,30824] [2022-11-16 11:06:47,158 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31483,31496] [2022-11-16 11:06:47,159 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31534,31547] [2022-11-16 11:06:47,162 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31683,31696] [2022-11-16 11:06:47,164 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31760,31773] [2022-11-16 11:06:47,165 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31807,31820] [2022-11-16 11:06:47,167 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31916,31929] [2022-11-16 11:06:47,169 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32035,32048] [2022-11-16 11:06:47,171 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32083,32096] [2022-11-16 11:06:47,172 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32160,32173] [2022-11-16 11:06:47,174 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32286,32299] [2022-11-16 11:06:47,182 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32897,32910] [2022-11-16 11:06:47,184 WARN L229 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_eb4bf59d-c838-4e82-9db7-b1067acc43f7/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32974,32987] [2022-11-16 11:06:47,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:06:47,226 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:06:47,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47 WrapperNode [2022-11-16 11:06:47,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:06:47,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:06:47,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:06:47,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:06:47,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47" (1/1) ... [2022-11-16 11:06:47,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47" (1/1) ... [2022-11-16 11:06:47,321 INFO L138 Inliner]: procedures = 174, calls = 78, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 810 [2022-11-16 11:06:47,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:06:47,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:06:47,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:06:47,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:06:47,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47" (1/1) ... [2022-11-16 11:06:47,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47" (1/1) ... [2022-11-16 11:06:47,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47" (1/1) ... [2022-11-16 11:06:47,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47" (1/1) ... [2022-11-16 11:06:47,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47" (1/1) ... [2022-11-16 11:06:47,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47" (1/1) ... [2022-11-16 11:06:47,421 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47" (1/1) ... [2022-11-16 11:06:47,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47" (1/1) ... [2022-11-16 11:06:47,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:06:47,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:06:47,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:06:47,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:06:47,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47" (1/1) ... [2022-11-16 11:06:47,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:06:47,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:06:47,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:06:47,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4bf59d-c838-4e82-9db7-b1067acc43f7/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:06:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:06:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:06:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:06:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-11-16 11:06:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-11-16 11:06:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:06:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:06:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:06:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:06:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:06:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:06:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:06:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:06:47,557 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:06:47,756 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:06:47,758 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:06:49,469 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:06:49,486 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:06:49,487 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-16 11:06:49,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:06:49 BoogieIcfgContainer [2022-11-16 11:06:49,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:06:49,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:06:49,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:06:49,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:06:49,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:06:46" (1/3) ... [2022-11-16 11:06:49,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b885106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:06:49, skipping insertion in model container [2022-11-16 11:06:49,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:47" (2/3) ... [2022-11-16 11:06:49,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b885106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:06:49, skipping insertion in model container [2022-11-16 11:06:49,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:06:49" (3/3) ... [2022-11-16 11:06:49,502 INFO L112 eAbstractionObserver]: Analyzing ICFG one_time_barrier_twice_3t.i [2022-11-16 11:06:49,513 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:06:49,526 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:06:49,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2022-11-16 11:06:49,526 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:06:49,768 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-16 11:06:49,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 873 places, 933 transitions, 1874 flow [2022-11-16 11:06:50,860 INFO L130 PetriNetUnfolder]: 95/1357 cut-off events. [2022-11-16 11:06:50,861 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:06:50,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 1357 events. 95/1357 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4528 event pairs, 0 based on Foata normal form. 0/1144 useless extension candidates. Maximal degree in co-relation 794. Up to 4 conditions per place. [2022-11-16 11:06:50,901 INFO L82 GeneralOperation]: Start removeDead. Operand has 873 places, 933 transitions, 1874 flow [2022-11-16 11:06:50,933 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 873 places, 933 transitions, 1874 flow [2022-11-16 11:06:50,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:06:50,953 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;@393afa58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:06:50,959 INFO L358 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2022-11-16 11:06:50,970 INFO L130 PetriNetUnfolder]: 2/59 cut-off events. [2022-11-16 11:06:50,970 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:06:50,970 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:06:50,971 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:50,972 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2022-11-16 11:06:50,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:50,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1231382047, now seen corresponding path program 1 times [2022-11-16 11:06:50,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:50,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624809640] [2022-11-16 11:06:50,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:50,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:06:52,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:52,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624809640] [2022-11-16 11:06:52,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624809640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:52,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:52,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:06:52,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653512029] [2022-11-16 11:06:52,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:52,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:06:52,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:52,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:06:52,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:06:52,306 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 933 [2022-11-16 11:06:52,324 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 873 places, 933 transitions, 1874 flow. Second operand has 6 states, 6 states have (on average 501.8333333333333) internal successors, (3011), 6 states have internal predecessors, (3011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:06:52,324 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:06:52,325 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 933 [2022-11-16 11:06:52,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:23,712 INFO L130 PetriNetUnfolder]: 31092/97793 cut-off events. [2022-11-16 11:07:23,713 INFO L131 PetriNetUnfolder]: For 4/9 co-relation queries the response was YES. [2022-11-16 11:07:23,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155437 conditions, 97793 events. 31092/97793 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 1055612 event pairs, 27666 based on Foata normal form. 7764/88460 useless extension candidates. Maximal degree in co-relation 154665. Up to 57633 conditions per place. [2022-11-16 11:07:24,283 INFO L137 encePairwiseOnDemand]: 883/933 looper letters, 383 selfloop transitions, 5 changer transitions 2/888 dead transitions. [2022-11-16 11:07:24,284 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 877 places, 888 transitions, 2560 flow [2022-11-16 11:07:24,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:07:24,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:07:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3433 transitions. [2022-11-16 11:07:24,320 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6132547338335119 [2022-11-16 11:07:24,321 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3433 transitions. [2022-11-16 11:07:24,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3433 transitions. [2022-11-16 11:07:24,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:24,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3433 transitions. [2022-11-16 11:07:24,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 572.1666666666666) internal successors, (3433), 6 states have internal predecessors, (3433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:24,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 933.0) internal successors, (6531), 7 states have internal predecessors, (6531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:24,381 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 933.0) internal successors, (6531), 7 states have internal predecessors, (6531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:24,383 INFO L175 Difference]: Start difference. First operand has 873 places, 933 transitions, 1874 flow. Second operand 6 states and 3433 transitions. [2022-11-16 11:07:24,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 877 places, 888 transitions, 2560 flow [2022-11-16 11:07:24,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 877 places, 888 transitions, 2560 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:07:24,428 INFO L231 Difference]: Finished difference. Result has 877 places, 886 transitions, 1790 flow [2022-11-16 11:07:24,433 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=933, PETRI_DIFFERENCE_MINUEND_FLOW=1784, PETRI_DIFFERENCE_MINUEND_PLACES=872, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=888, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=883, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1790, PETRI_PLACES=877, PETRI_TRANSITIONS=886} [2022-11-16 11:07:24,440 INFO L288 CegarLoopForPetriNet]: 873 programPoint places, 4 predicate places. [2022-11-16 11:07:24,449 INFO L495 AbstractCegarLoop]: Abstraction has has 877 places, 886 transitions, 1790 flow [2022-11-16 11:07:24,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 501.8333333333333) internal successors, (3011), 6 states have internal predecessors, (3011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:24,452 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:24,453 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:24,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:07:24,454 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2022-11-16 11:07:24,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:24,457 INFO L85 PathProgramCache]: Analyzing trace with hash -245472987, now seen corresponding path program 1 times [2022-11-16 11:07:24,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:24,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713186580] [2022-11-16 11:07:24,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:24,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:24,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:24,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:24,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713186580] [2022-11-16 11:07:24,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713186580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:24,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:24,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:07:24,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798739372] [2022-11-16 11:07:24,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:24,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:24,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:24,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:24,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:24,580 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 860 out of 933 [2022-11-16 11:07:24,585 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 877 places, 886 transitions, 1790 flow. Second operand has 3 states, 3 states have (on average 861.0) internal successors, (2583), 3 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:24,585 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:24,586 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 860 of 933 [2022-11-16 11:07:24,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:07:25,197 INFO L130 PetriNetUnfolder]: 28/1316 cut-off events. [2022-11-16 11:07:25,198 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-16 11:07:25,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1385 conditions, 1316 events. 28/1316 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 4480 event pairs, 0 based on Foata normal form. 0/1129 useless extension candidates. Maximal degree in co-relation 1265. Up to 29 conditions per place. [2022-11-16 11:07:25,235 INFO L137 encePairwiseOnDemand]: 930/933 looper letters, 49 selfloop transitions, 2 changer transitions 0/909 dead transitions. [2022-11-16 11:07:25,235 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 877 places, 909 transitions, 1946 flow [2022-11-16 11:07:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:07:25,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2632 transitions. [2022-11-16 11:07:25,245 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9403358342265095 [2022-11-16 11:07:25,245 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2632 transitions. [2022-11-16 11:07:25,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2632 transitions. [2022-11-16 11:07:25,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:25,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2632 transitions. [2022-11-16 11:07:25,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 877.3333333333334) internal successors, (2632), 3 states have internal predecessors, (2632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:25,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 933.0) internal successors, (3732), 4 states have internal predecessors, (3732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:25,266 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 933.0) internal successors, (3732), 4 states have internal predecessors, (3732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:25,266 INFO L175 Difference]: Start difference. First operand has 877 places, 886 transitions, 1790 flow. Second operand 3 states and 2632 transitions. [2022-11-16 11:07:25,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 877 places, 909 transitions, 1946 flow [2022-11-16 11:07:25,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 872 places, 909 transitions, 1928 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 11:07:25,288 INFO L231 Difference]: Finished difference. Result has 873 places, 887 transitions, 1792 flow [2022-11-16 11:07:25,290 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=933, PETRI_DIFFERENCE_MINUEND_FLOW=1780, PETRI_DIFFERENCE_MINUEND_PLACES=870, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=886, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=884, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1792, PETRI_PLACES=873, PETRI_TRANSITIONS=887} [2022-11-16 11:07:25,291 INFO L288 CegarLoopForPetriNet]: 873 programPoint places, 0 predicate places. [2022-11-16 11:07:25,291 INFO L495 AbstractCegarLoop]: Abstraction has has 873 places, 887 transitions, 1792 flow [2022-11-16 11:07:25,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 861.0) internal successors, (2583), 3 states have internal predecessors, (2583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:25,293 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:07:25,293 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:25,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:07:25,294 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2022-11-16 11:07:25,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:25,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1621623962, now seen corresponding path program 1 times [2022-11-16 11:07:25,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:25,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231855363] [2022-11-16 11:07:25,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:25,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:25,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:25,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231855363] [2022-11-16 11:07:25,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231855363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:25,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:25,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:07:25,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580923634] [2022-11-16 11:07:25,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:25,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:07:25,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:25,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:07:25,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:07:25,971 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 933 [2022-11-16 11:07:25,976 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 873 places, 887 transitions, 1792 flow. Second operand has 6 states, 6 states have (on average 502.8333333333333) internal successors, (3017), 6 states have internal predecessors, (3017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:25,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:07:25,976 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 933 [2022-11-16 11:07:25,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand