./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 5e519f3a 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_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/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_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-5e519f3 [2022-11-02 20:24:10,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:24:10,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:24:10,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:24:10,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:24:10,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:24:10,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:24:10,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:24:10,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:24:10,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:24:10,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:24:10,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:24:10,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:24:10,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:24:10,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:24:10,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:24:10,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:24:10,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:24:10,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:24:10,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:24:10,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:24:10,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:24:10,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:24:10,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:24:10,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:24:10,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:24:10,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:24:10,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:24:10,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:24:10,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:24:10,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:24:10,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:24:10,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:24:10,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:24:10,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:24:10,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:24:10,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:24:10,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:24:10,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:24:10,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:24:10,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:24:10,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:24:10,554 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:24:10,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:24:10,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:24:10,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:24:10,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:24:10,557 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:24:10,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:24:10,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:24:10,558 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:24:10,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:24:10,560 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:24:10,560 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:24:10,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:24:10,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:24:10,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:24:10,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:24:10,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:24:10,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:24:10,562 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:24:10,562 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:24:10,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:24:10,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:24:10,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:24:10,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:24:10,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:24:10,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:24:10,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:24:10,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:24:10,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:24:10,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:24:10,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:24:10,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:24:10,566 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:24:10,567 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:24:10,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:24:10,567 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_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 658086e6a2b970f68ba6fa20919311f7cc4c75e1705e5ad288c4fd1e6439159f [2022-11-02 20:24:10,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:24:11,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:24:11,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:24:11,044 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:24:11,045 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:24:11,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i [2022-11-02 20:24:11,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/data/12fec7c83/1618bff956ba4836bdca40b8b7778358/FLAG7a8e89047 [2022-11-02 20:24:11,929 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:24:11,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i [2022-11-02 20:24:11,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/data/12fec7c83/1618bff956ba4836bdca40b8b7778358/FLAG7a8e89047 [2022-11-02 20:24:12,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/data/12fec7c83/1618bff956ba4836bdca40b8b7778358 [2022-11-02 20:24:12,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:24:12,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:24:12,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:24:12,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:24:12,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:24:12,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:12,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a94e2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12, skipping insertion in model container [2022-11-02 20:24:12,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:12,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:24:12,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:24:12,444 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-02 20:24:12,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[30448,30461] [2022-11-02 20:24:12,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[30811,30824] [2022-11-02 20:24:12,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31483,31496] [2022-11-02 20:24:12,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31534,31547] [2022-11-02 20:24:12,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31683,31696] [2022-11-02 20:24:12,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31760,31773] [2022-11-02 20:24:12,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31807,31820] [2022-11-02 20:24:12,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31916,31929] [2022-11-02 20:24:12,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32035,32048] [2022-11-02 20:24:12,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32083,32096] [2022-11-02 20:24:12,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32160,32173] [2022-11-02 20:24:12,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32286,32299] [2022-11-02 20:24:12,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32869,32882] [2022-11-02 20:24:12,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32946,32959] [2022-11-02 20:24:12,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:24:12,772 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:24:12,802 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-02 20:24:12,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[30448,30461] [2022-11-02 20:24:12,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[30811,30824] [2022-11-02 20:24:12,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31483,31496] [2022-11-02 20:24:12,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31534,31547] [2022-11-02 20:24:12,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31683,31696] [2022-11-02 20:24:12,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31760,31773] [2022-11-02 20:24:12,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31807,31820] [2022-11-02 20:24:12,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31916,31929] [2022-11-02 20:24:12,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32035,32048] [2022-11-02 20:24:12,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32083,32096] [2022-11-02 20:24:12,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32160,32173] [2022-11-02 20:24:12,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32286,32299] [2022-11-02 20:24:12,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32869,32882] [2022-11-02 20:24:12,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32946,32959] [2022-11-02 20:24:12,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:24:12,990 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:24:12,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12 WrapperNode [2022-11-02 20:24:12,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:24:12,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:24:12,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:24:12,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:24:13,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:13,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:13,160 INFO L138 Inliner]: procedures = 174, calls = 75, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 786 [2022-11-02 20:24:13,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:24:13,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:24:13,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:24:13,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:24:13,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:13,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:13,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:13,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:13,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:13,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:13,304 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:13,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:13,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:24:13,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:24:13,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:24:13,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:24:13,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12" (1/1) ... [2022-11-02 20:24:13,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:24:13,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:24:13,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:24:13,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3f65c8-9e87-4fb1-961e-78ccb46509fd/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:24:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:24:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:24:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:24:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-11-02 20:24:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-11-02 20:24:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:24:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:24:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:24:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:24:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:24:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:24:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:24:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:24:13,444 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:24:13,798 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:24:13,801 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:24:15,428 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:24:15,450 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:24:15,458 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-02 20:24:15,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:24:15 BoogieIcfgContainer [2022-11-02 20:24:15,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:24:15,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:24:15,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:24:15,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:24:15,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:24:12" (1/3) ... [2022-11-02 20:24:15,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64adb8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:24:15, skipping insertion in model container [2022-11-02 20:24:15,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:12" (2/3) ... [2022-11-02 20:24:15,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64adb8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:24:15, skipping insertion in model container [2022-11-02 20:24:15,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:24:15" (3/3) ... [2022-11-02 20:24:15,480 INFO L112 eAbstractionObserver]: Analyzing ICFG one_time_barrier_3t.i [2022-11-02 20:24:15,495 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:24:15,509 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:24:15,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2022-11-02 20:24:15,509 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:24:15,808 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-02 20:24:15,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 844 places, 903 transitions, 1814 flow [2022-11-02 20:24:16,886 INFO L130 PetriNetUnfolder]: 94/1325 cut-off events. [2022-11-02 20:24:16,886 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-02 20:24:16,977 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 4478 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. [2022-11-02 20:24:16,977 INFO L82 GeneralOperation]: Start removeDead. Operand has 844 places, 903 transitions, 1814 flow [2022-11-02 20:24:17,019 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 844 places, 903 transitions, 1814 flow [2022-11-02 20:24:17,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:24:17,049 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;@7b2e2b3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:24:17,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2022-11-02 20:24:17,059 INFO L130 PetriNetUnfolder]: 2/58 cut-off events. [2022-11-02 20:24:17,060 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:24:17,060 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:24:17,061 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:17,061 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)] === [2022-11-02 20:24:17,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:17,068 INFO L85 PathProgramCache]: Analyzing trace with hash 225271404, now seen corresponding path program 1 times [2022-11-02 20:24:17,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:17,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273699863] [2022-11-02 20:24:17,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:17,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:18,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:24:18,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:24:18,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273699863] [2022-11-02 20:24:18,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273699863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:24:18,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:24:18,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:24:18,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417767084] [2022-11-02 20:24:18,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:24:18,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:24:18,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:24:18,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:24:18,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:24:18,532 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 483 out of 903 [2022-11-02 20:24:18,542 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) [2022-11-02 20:24:18,542 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:24:18,543 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 483 of 903 [2022-11-02 20:24:18,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:24:45,548 INFO L130 PetriNetUnfolder]: 31092/97444 cut-off events. [2022-11-02 20:24:45,549 INFO L131 PetriNetUnfolder]: For 9/14 co-relation queries the response was YES. [2022-11-02 20:24:45,720 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 462. Compared 1049945 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. [2022-11-02 20:24:46,093 INFO L137 encePairwiseOnDemand]: 854/903 looper letters, 371 selfloop transitions, 5 changer transitions 1/859 dead transitions. [2022-11-02 20:24:46,093 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 848 places, 859 transitions, 2478 flow [2022-11-02 20:24:46,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:24:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:24:46,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3318 transitions. [2022-11-02 20:24:46,129 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6124031007751938 [2022-11-02 20:24:46,130 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3318 transitions. [2022-11-02 20:24:46,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3318 transitions. [2022-11-02 20:24:46,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:24:46,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3318 transitions. [2022-11-02 20:24:46,159 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) [2022-11-02 20:24:46,187 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) [2022-11-02 20:24:46,192 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) [2022-11-02 20:24:46,195 INFO L175 Difference]: Start difference. First operand has 844 places, 903 transitions, 1814 flow. Second operand 6 states and 3318 transitions. [2022-11-02 20:24:46,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 848 places, 859 transitions, 2478 flow [2022-11-02 20:24:46,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 848 places, 859 transitions, 2478 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:24:46,245 INFO L231 Difference]: Finished difference. Result has 848 places, 858 transitions, 1734 flow [2022-11-02 20:24:46,249 INFO L270 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} [2022-11-02 20:24:46,254 INFO L287 CegarLoopForPetriNet]: 844 programPoint places, 4 predicate places. [2022-11-02 20:24:46,261 INFO L495 AbstractCegarLoop]: Abstraction has has 848 places, 858 transitions, 1734 flow [2022-11-02 20:24:46,264 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) [2022-11-02 20:24:46,264 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:24:46,264 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:46,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:24:46,265 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)] === [2022-11-02 20:24:46,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:46,267 INFO L85 PathProgramCache]: Analyzing trace with hash -589930434, now seen corresponding path program 1 times [2022-11-02 20:24:46,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:46,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127942109] [2022-11-02 20:24:46,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:46,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:24:46,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:24:46,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127942109] [2022-11-02 20:24:46,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127942109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:24:46,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:24:46,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:24:46,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967396780] [2022-11-02 20:24:46,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:24:46,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:24:46,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:24:46,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:24:46,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:24:46,382 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 831 out of 903 [2022-11-02 20:24:46,385 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) [2022-11-02 20:24:46,386 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:24:46,386 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 831 of 903 [2022-11-02 20:24:46,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:24:46,976 INFO L130 PetriNetUnfolder]: 28/1286 cut-off events. [2022-11-02 20:24:46,977 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-02 20:24:47,004 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 4468 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. [2022-11-02 20:24:47,016 INFO L137 encePairwiseOnDemand]: 900/903 looper letters, 49 selfloop transitions, 2 changer transitions 0/881 dead transitions. [2022-11-02 20:24:47,016 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 849 places, 881 transitions, 1890 flow [2022-11-02 20:24:47,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:24:47,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:24:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2545 transitions. [2022-11-02 20:24:47,024 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9394610557401255 [2022-11-02 20:24:47,025 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2545 transitions. [2022-11-02 20:24:47,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2545 transitions. [2022-11-02 20:24:47,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:24:47,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2545 transitions. [2022-11-02 20:24:47,035 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) [2022-11-02 20:24:47,042 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) [2022-11-02 20:24:47,045 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) [2022-11-02 20:24:47,046 INFO L175 Difference]: Start difference. First operand has 848 places, 858 transitions, 1734 flow. Second operand 3 states and 2545 transitions. [2022-11-02 20:24:47,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 849 places, 881 transitions, 1890 flow [2022-11-02 20:24:47,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 844 places, 881 transitions, 1872 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:24:47,067 INFO L231 Difference]: Finished difference. Result has 845 places, 859 transitions, 1736 flow [2022-11-02 20:24:47,068 INFO L270 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} [2022-11-02 20:24:47,069 INFO L287 CegarLoopForPetriNet]: 844 programPoint places, 1 predicate places. [2022-11-02 20:24:47,070 INFO L495 AbstractCegarLoop]: Abstraction has has 845 places, 859 transitions, 1736 flow [2022-11-02 20:24:47,072 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) [2022-11-02 20:24:47,072 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:24:47,072 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:47,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:24:47,073 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)] === [2022-11-02 20:24:47,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:47,074 INFO L85 PathProgramCache]: Analyzing trace with hash -565331519, now seen corresponding path program 1 times [2022-11-02 20:24:47,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:47,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250263352] [2022-11-02 20:24:47,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:47,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:24:47,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:24:47,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250263352] [2022-11-02 20:24:47,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250263352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:24:47,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:24:47,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:24:47,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409467180] [2022-11-02 20:24:47,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:24:47,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:24:47,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:24:47,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:24:47,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:24:47,731 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 483 out of 903 [2022-11-02 20:24:47,736 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) [2022-11-02 20:24:47,736 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:24:47,752 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 483 of 903 [2022-11-02 20:24:47,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand