./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/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 658086e6a2b970f68ba6fa20919311f7cc4c75e1705e5ad288c4fd1e6439159f --- 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 12:43:24,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:43:24,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:43:24,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:43:24,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:43:24,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:43:24,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:43:24,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:43:24,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:43:24,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:43:24,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:43:24,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:43:24,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:43:24,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:43:24,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:43:24,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:43:24,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:43:24,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:43:24,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:43:24,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:43:24,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:43:24,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:43:24,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:43:24,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:43:24,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:43:24,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:43:24,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:43:24,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:43:24,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:43:24,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:43:24,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:43:24,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:43:24,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:43:24,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:43:24,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:43:24,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:43:24,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:43:24,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:43:24,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:43:24,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:43:24,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:43:24,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:43:24,408 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:43:24,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:43:24,409 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:43:24,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:43:24,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:43:24,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:43:24,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:43:24,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:43:24,413 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:43:24,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:43:24,415 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:43:24,415 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:43:24,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:43:24,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:43:24,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:43:24,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:43:24,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:43:24,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:43:24,417 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:43:24,418 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:43:24,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:43:24,418 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:43:24,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:43:24,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:43:24,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:43:24,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:43:24,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:24,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:43:24,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:43:24,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:43:24,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:43:24,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:43:24,422 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:43:24,423 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:43:24,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:43:24,423 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 658086e6a2b970f68ba6fa20919311f7cc4c75e1705e5ad288c4fd1e6439159f [2022-11-16 12:43:24,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:43:24,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:43:24,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:43:24,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:43:24,786 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:43:24,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i [2022-11-16 12:43:24,874 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/bin/uautomizer-tPACEb0tL8/data/438e65da8/5b125323848c48c4af9f253f02b14b46/FLAGa32f74111 [2022-11-16 12:43:25,488 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:43:25,489 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i [2022-11-16 12:43:25,506 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/bin/uautomizer-tPACEb0tL8/data/438e65da8/5b125323848c48c4af9f253f02b14b46/FLAGa32f74111 [2022-11-16 12:43:25,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/bin/uautomizer-tPACEb0tL8/data/438e65da8/5b125323848c48c4af9f253f02b14b46 [2022-11-16 12:43:25,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:43:25,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:43:25,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:25,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:43:25,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:43:25,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3d566b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:25, skipping insertion in model container [2022-11-16 12:43:25,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:25" (1/1) ... [2022-11-16 12:43:25,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:43:25,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:43:26,083 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 12:43:26,254 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[30448,30461] [2022-11-16 12:43:26,266 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[30811,30824] [2022-11-16 12:43:26,282 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31483,31496] [2022-11-16 12:43:26,283 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31534,31547] [2022-11-16 12:43:26,286 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31683,31696] [2022-11-16 12:43:26,288 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31760,31773] [2022-11-16 12:43:26,289 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31807,31820] [2022-11-16 12:43:26,292 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31916,31929] [2022-11-16 12:43:26,294 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32035,32048] [2022-11-16 12:43:26,295 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32083,32096] [2022-11-16 12:43:26,296 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32160,32173] [2022-11-16 12:43:26,298 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32286,32299] [2022-11-16 12:43:26,308 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32869,32882] [2022-11-16 12:43:26,309 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32946,32959] [2022-11-16 12:43:26,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:26,321 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:43:26,351 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-16 12:43:26,390 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[30448,30461] [2022-11-16 12:43:26,400 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[30811,30824] [2022-11-16 12:43:26,413 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31483,31496] [2022-11-16 12:43:26,420 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31534,31547] [2022-11-16 12:43:26,430 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31683,31696] [2022-11-16 12:43:26,432 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31760,31773] [2022-11-16 12:43:26,433 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31807,31820] [2022-11-16 12:43:26,435 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31916,31929] [2022-11-16 12:43:26,436 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32035,32048] [2022-11-16 12:43:26,439 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32083,32096] [2022-11-16 12:43:26,441 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32160,32173] [2022-11-16 12:43:26,447 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32286,32299] [2022-11-16 12:43:26,456 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32869,32882] [2022-11-16 12:43:26,457 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_ccd41d73-d210-4381-a71c-a30b5c5ceee3/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32946,32959] [2022-11-16 12:43:26,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:26,493 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:43:26,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26 WrapperNode [2022-11-16 12:43:26,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:26,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:26,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:43:26,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:43:26,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26" (1/1) ... [2022-11-16 12:43:26,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26" (1/1) ... [2022-11-16 12:43:26,651 INFO L138 Inliner]: procedures = 174, calls = 75, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 786 [2022-11-16 12:43:26,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:26,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:43:26,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:43:26,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:43:26,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26" (1/1) ... [2022-11-16 12:43:26,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26" (1/1) ... [2022-11-16 12:43:26,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26" (1/1) ... [2022-11-16 12:43:26,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26" (1/1) ... [2022-11-16 12:43:26,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26" (1/1) ... [2022-11-16 12:43:26,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26" (1/1) ... [2022-11-16 12:43:26,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26" (1/1) ... [2022-11-16 12:43:26,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26" (1/1) ... [2022-11-16 12:43:26,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:43:26,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:43:26,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:43:26,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:43:26,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26" (1/1) ... [2022-11-16 12:43:26,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:26,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:26,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:26,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd41d73-d210-4381-a71c-a30b5c5ceee3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:43:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:43:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:43:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 12:43:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-11-16 12:43:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-11-16 12:43:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:43:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:43:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:43:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:43:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:43:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:43:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:43:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:43:26,978 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 12:43:27,223 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:43:27,225 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:43:28,602 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:43:28,617 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:43:28,617 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-16 12:43:28,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:28 BoogieIcfgContainer [2022-11-16 12:43:28,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:43:28,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:43:28,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:43:28,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:43:28,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:43:25" (1/3) ... [2022-11-16 12:43:28,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcebe22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:28, skipping insertion in model container [2022-11-16 12:43:28,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:26" (2/3) ... [2022-11-16 12:43:28,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcebe22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:28, skipping insertion in model container [2022-11-16 12:43:28,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:28" (3/3) ... [2022-11-16 12:43:28,638 INFO L112 eAbstractionObserver]: Analyzing ICFG one_time_barrier_3t.i [2022-11-16 12:43:28,649 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:43:28,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:43:28,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2022-11-16 12:43:28,662 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:43:28,926 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-16 12:43:28,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 844 places, 903 transitions, 1814 flow [2022-11-16 12:43:29,799 INFO L130 PetriNetUnfolder]: 94/1325 cut-off events. [2022-11-16 12:43:29,799 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:43:29,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1331 conditions, 1325 events. 94/1325 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4495 event pairs, 0 based on Foata normal form. 0/1115 useless extension candidates. Maximal degree in co-relation 792. Up to 4 conditions per place. [2022-11-16 12:43:29,849 INFO L82 GeneralOperation]: Start removeDead. Operand has 844 places, 903 transitions, 1814 flow [2022-11-16 12:43:29,884 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 844 places, 903 transitions, 1814 flow [2022-11-16 12:43:29,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:43:29,914 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;@5be5d91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:43:29,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2022-11-16 12:43:29,924 INFO L130 PetriNetUnfolder]: 2/59 cut-off events. [2022-11-16 12:43:29,924 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:43:29,924 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:29,925 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 12:43:29,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 12:43:29,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:29,934 INFO L85 PathProgramCache]: Analyzing trace with hash 225271404, now seen corresponding path program 1 times [2022-11-16 12:43:29,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:29,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67465912] [2022-11-16 12:43:29,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:29,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:31,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:31,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:31,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67465912] [2022-11-16 12:43:31,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67465912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:31,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:31,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:43:31,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546927652] [2022-11-16 12:43:31,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:31,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:31,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:31,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:31,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:31,133 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 483 out of 903 [2022-11-16 12:43:31,146 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 844 places, 903 transitions, 1814 flow. Second operand has 6 states, 6 states have (on average 484.8333333333333) internal successors, (2909), 6 states have internal predecessors, (2909), 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 12:43:31,146 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:31,147 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 483 of 903 [2022-11-16 12:43:31,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:58,439 INFO L130 PetriNetUnfolder]: 31092/97444 cut-off events. [2022-11-16 12:43:58,440 INFO L131 PetriNetUnfolder]: For 9/14 co-relation queries the response was YES. [2022-11-16 12:43:58,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155076 conditions, 97444 events. 31092/97444 cut-off events. For 9/14 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 1050364 event pairs, 27666 based on Foata normal form. 7762/88112 useless extension candidates. Maximal degree in co-relation 154345. Up to 57621 conditions per place. [2022-11-16 12:43:59,051 INFO L137 encePairwiseOnDemand]: 854/903 looper letters, 371 selfloop transitions, 5 changer transitions 1/859 dead transitions. [2022-11-16 12:43:59,051 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 848 places, 859 transitions, 2478 flow [2022-11-16 12:43:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:43:59,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:43:59,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3318 transitions. [2022-11-16 12:43:59,093 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6124031007751938 [2022-11-16 12:43:59,094 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3318 transitions. [2022-11-16 12:43:59,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3318 transitions. [2022-11-16 12:43:59,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:59,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3318 transitions. [2022-11-16 12:43:59,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 553.0) internal successors, (3318), 6 states have internal predecessors, (3318), 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 12:43:59,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 903.0) internal successors, (6321), 7 states have internal predecessors, (6321), 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 12:43:59,160 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 903.0) internal successors, (6321), 7 states have internal predecessors, (6321), 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 12:43:59,162 INFO L175 Difference]: Start difference. First operand has 844 places, 903 transitions, 1814 flow. Second operand 6 states and 3318 transitions. [2022-11-16 12:43:59,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 848 places, 859 transitions, 2478 flow [2022-11-16 12:43:59,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 848 places, 859 transitions, 2478 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 12:43:59,212 INFO L231 Difference]: Finished difference. Result has 848 places, 858 transitions, 1734 flow [2022-11-16 12:43:59,216 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=903, PETRI_DIFFERENCE_MINUEND_FLOW=1726, PETRI_DIFFERENCE_MINUEND_PLACES=843, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=859, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=854, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1734, PETRI_PLACES=848, PETRI_TRANSITIONS=858} [2022-11-16 12:43:59,222 INFO L288 CegarLoopForPetriNet]: 844 programPoint places, 4 predicate places. [2022-11-16 12:43:59,229 INFO L495 AbstractCegarLoop]: Abstraction has has 848 places, 858 transitions, 1734 flow [2022-11-16 12:43:59,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 484.8333333333333) internal successors, (2909), 6 states have internal predecessors, (2909), 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 12:43:59,232 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:59,232 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 12:43:59,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:43:59,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 12:43:59,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:59,235 INFO L85 PathProgramCache]: Analyzing trace with hash -589930434, now seen corresponding path program 1 times [2022-11-16 12:43:59,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:59,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839190807] [2022-11-16 12:43:59,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:59,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:59,364 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 12:43:59,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:59,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839190807] [2022-11-16 12:43:59,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839190807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:59,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:59,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:43:59,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43352046] [2022-11-16 12:43:59,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:59,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:43:59,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:59,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:43:59,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:43:59,376 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 831 out of 903 [2022-11-16 12:43:59,381 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 848 places, 858 transitions, 1734 flow. Second operand has 3 states, 3 states have (on average 832.0) internal successors, (2496), 3 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:59,382 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:59,382 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 831 of 903 [2022-11-16 12:43:59,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:44:00,065 INFO L130 PetriNetUnfolder]: 28/1286 cut-off events. [2022-11-16 12:44:00,065 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-16 12:44:00,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1355 conditions, 1286 events. 28/1286 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 4471 event pairs, 0 based on Foata normal form. 0/1101 useless extension candidates. Maximal degree in co-relation 1235. Up to 29 conditions per place. [2022-11-16 12:44:00,099 INFO L137 encePairwiseOnDemand]: 900/903 looper letters, 49 selfloop transitions, 2 changer transitions 0/881 dead transitions. [2022-11-16 12:44:00,100 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 849 places, 881 transitions, 1890 flow [2022-11-16 12:44:00,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:44:00,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:44:00,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2545 transitions. [2022-11-16 12:44:00,109 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9394610557401255 [2022-11-16 12:44:00,109 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2545 transitions. [2022-11-16 12:44:00,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2545 transitions. [2022-11-16 12:44:00,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:44:00,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2545 transitions. [2022-11-16 12:44:00,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 848.3333333333334) internal successors, (2545), 3 states have internal predecessors, (2545), 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 12:44:00,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 903.0) internal successors, (3612), 4 states have internal predecessors, (3612), 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 12:44:00,134 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 903.0) internal successors, (3612), 4 states have internal predecessors, (3612), 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 12:44:00,135 INFO L175 Difference]: Start difference. First operand has 848 places, 858 transitions, 1734 flow. Second operand 3 states and 2545 transitions. [2022-11-16 12:44:00,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 849 places, 881 transitions, 1890 flow [2022-11-16 12:44:00,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 844 places, 881 transitions, 1872 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 12:44:00,161 INFO L231 Difference]: Finished difference. Result has 845 places, 859 transitions, 1736 flow [2022-11-16 12:44:00,162 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=903, PETRI_DIFFERENCE_MINUEND_FLOW=1724, PETRI_DIFFERENCE_MINUEND_PLACES=842, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=858, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=856, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1736, PETRI_PLACES=845, PETRI_TRANSITIONS=859} [2022-11-16 12:44:00,164 INFO L288 CegarLoopForPetriNet]: 844 programPoint places, 1 predicate places. [2022-11-16 12:44:00,164 INFO L495 AbstractCegarLoop]: Abstraction has has 845 places, 859 transitions, 1736 flow [2022-11-16 12:44:00,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 832.0) internal successors, (2496), 3 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:44:00,166 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:44:00,167 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 12:44:00,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:44:00,167 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 12:44:00,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:00,168 INFO L85 PathProgramCache]: Analyzing trace with hash -565331519, now seen corresponding path program 1 times [2022-11-16 12:44:00,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:44:00,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617080634] [2022-11-16 12:44:00,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:44:00,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:44:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:44:00,902 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 12:44:00,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:44:00,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617080634] [2022-11-16 12:44:00,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617080634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:44:00,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:44:00,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:44:00,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878291193] [2022-11-16 12:44:00,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:44:00,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:44:00,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:44:00,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:44:00,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:44:00,915 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 483 out of 903 [2022-11-16 12:44:00,920 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 845 places, 859 transitions, 1736 flow. Second operand has 6 states, 6 states have (on average 485.8333333333333) internal successors, (2915), 6 states have internal predecessors, (2915), 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 12:44:00,920 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:44:00,920 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 483 of 903 [2022-11-16 12:44:00,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand