./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/barrier_3t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/barrier_3t.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc --- 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-38b53e6 [2022-11-26 01:09:36,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:09:36,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:09:36,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:09:36,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:09:36,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:09:36,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:09:36,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:09:36,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:09:36,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:09:36,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:09:36,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:09:36,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:09:36,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:09:36,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:09:36,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:09:36,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:09:36,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:09:36,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:09:36,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:09:36,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:09:36,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:09:36,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:09:36,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:09:36,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:09:36,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:09:36,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:09:36,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:09:36,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:09:36,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:09:36,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:09:36,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:09:36,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:09:36,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:09:36,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:09:36,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:09:36,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:09:36,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:09:36,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:09:36,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:09:36,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:09:36,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-26 01:09:36,547 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:09:36,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:09:36,548 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:09:36,548 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:09:36,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:09:36,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:09:36,550 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:09:36,550 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:09:36,550 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:09:36,551 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:09:36,552 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:09:36,552 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:09:36,553 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:09:36,553 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:09:36,553 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:09:36,553 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:09:36,554 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:09:36,554 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:09:36,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:09:36,555 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:09:36,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:09:36,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:09:36,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:09:36,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:09:36,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:09:36,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:09:36,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:09:36,557 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-26 01:09:36,557 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:09:36,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:09:36,558 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:09:36,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:09:36,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:09:36,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:09:36,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:09:36,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:09:36,559 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:09:36,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:09:36,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:09:36,560 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:09:36,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:09:36,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:09:36,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:09:36,561 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_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc [2022-11-26 01:09:36,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:09:36,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:09:36,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:09:36,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:09:36,899 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:09:36,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-divine/barrier_3t.i [2022-11-26 01:09:40,035 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:09:40,265 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:09:40,269 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i [2022-11-26 01:09:40,293 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/data/61b117d87/e10617adab2443ffa75048cb911a5694/FLAGcafdf1118 [2022-11-26 01:09:40,308 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/data/61b117d87/e10617adab2443ffa75048cb911a5694 [2022-11-26 01:09:40,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:09:40,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:09:40,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:09:40,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:09:40,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:09:40,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:09:40" (1/1) ... [2022-11-26 01:09:40,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194f33dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:40, skipping insertion in model container [2022-11-26 01:09:40,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:09:40" (1/1) ... [2022-11-26 01:09:40,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:09:40,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:09:40,518 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:09:40,774 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[30484,30497] [2022-11-26 01:09:40,839 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[31858,31871] [2022-11-26 01:09:40,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[31909,31922] [2022-11-26 01:09:40,847 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32058,32071] [2022-11-26 01:09:40,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32135,32148] [2022-11-26 01:09:40,852 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32182,32195] [2022-11-26 01:09:40,857 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32291,32304] [2022-11-26 01:09:40,861 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32410,32423] [2022-11-26 01:09:40,865 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32458,32471] [2022-11-26 01:09:40,867 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32535,32548] [2022-11-26 01:09:40,869 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32661,32674] [2022-11-26 01:09:40,879 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[33244,33257] [2022-11-26 01:09:40,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[33321,33334] [2022-11-26 01:09:40,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:09:40,904 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:09:40,924 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:09:40,981 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[30484,30497] [2022-11-26 01:09:40,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[31858,31871] [2022-11-26 01:09:41,000 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[31909,31922] [2022-11-26 01:09:41,002 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32058,32071] [2022-11-26 01:09:41,003 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32135,32148] [2022-11-26 01:09:41,004 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32182,32195] [2022-11-26 01:09:41,006 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32291,32304] [2022-11-26 01:09:41,021 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32410,32423] [2022-11-26 01:09:41,022 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32458,32471] [2022-11-26 01:09:41,023 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32535,32548] [2022-11-26 01:09:41,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[32661,32674] [2022-11-26 01:09:41,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[33244,33257] [2022-11-26 01:09:41,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/sv-benchmarks/c/pthread-divine/barrier_3t.i[33321,33334] [2022-11-26 01:09:41,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:09:41,065 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:09:41,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41 WrapperNode [2022-11-26 01:09:41,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:09:41,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:09:41,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:09:41,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:09:41,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41" (1/1) ... [2022-11-26 01:09:41,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41" (1/1) ... [2022-11-26 01:09:41,154 INFO L138 Inliner]: procedures = 174, calls = 83, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 955 [2022-11-26 01:09:41,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:09:41,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:09:41,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:09:41,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:09:41,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41" (1/1) ... [2022-11-26 01:09:41,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41" (1/1) ... [2022-11-26 01:09:41,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41" (1/1) ... [2022-11-26 01:09:41,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41" (1/1) ... [2022-11-26 01:09:41,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41" (1/1) ... [2022-11-26 01:09:41,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41" (1/1) ... [2022-11-26 01:09:41,257 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41" (1/1) ... [2022-11-26 01:09:41,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41" (1/1) ... [2022-11-26 01:09:41,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:09:41,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:09:41,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:09:41,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:09:41,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41" (1/1) ... [2022-11-26 01:09:41,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:09:41,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:09:41,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:09:41,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:09:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:09:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:09:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-26 01:09:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-11-26 01:09:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-11-26 01:09:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:09:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:09:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:09:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:09:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:09:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:09:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:09:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:09:41,402 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 01:09:41,630 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:09:41,632 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:09:43,343 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:09:43,368 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:09:43,369 INFO L300 CfgBuilder]: Removed 20 assume(true) statements. [2022-11-26 01:09:43,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:09:43 BoogieIcfgContainer [2022-11-26 01:09:43,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:09:43,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:09:43,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:09:43,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:09:43,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:09:40" (1/3) ... [2022-11-26 01:09:43,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa38ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:09:43, skipping insertion in model container [2022-11-26 01:09:43,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:41" (2/3) ... [2022-11-26 01:09:43,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa38ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:09:43, skipping insertion in model container [2022-11-26 01:09:43,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:09:43" (3/3) ... [2022-11-26 01:09:43,388 INFO L112 eAbstractionObserver]: Analyzing ICFG barrier_3t.i [2022-11-26 01:09:43,398 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 01:09:43,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:09:43,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 98 error locations. [2022-11-26 01:09:43,410 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 01:09:43,630 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-26 01:09:43,681 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 01:09:43,697 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1023 places, 1090 transitions, 2188 flow [2022-11-26 01:09:43,700 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1023 places, 1090 transitions, 2188 flow [2022-11-26 01:09:43,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1023 places, 1090 transitions, 2188 flow [2022-11-26 01:09:44,703 INFO L130 PetriNetUnfolder]: 106/1598 cut-off events. [2022-11-26 01:09:44,703 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-26 01:09:44,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1604 conditions, 1598 events. 106/1598 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 6064 event pairs, 0 based on Foata normal form. 0/1344 useless extension candidates. Maximal degree in co-relation 964. Up to 4 conditions per place. [2022-11-26 01:09:44,951 INFO L119 LiptonReduction]: Number of co-enabled transitions 463628 [2022-11-26 01:14:10,420 WARN L233 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:15:07,234 WARN L233 SmtUtils]: Spent 32.76s on a formula simplification. DAG size of input: 144 DAG size of output: 142 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:15:16,698 WARN L233 SmtUtils]: Spent 9.46s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:15:47,219 WARN L233 SmtUtils]: Spent 30.52s on a formula simplification. DAG size of input: 150 DAG size of output: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:15:56,194 WARN L233 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:16:10,930 WARN L233 SmtUtils]: Spent 12.09s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:16:23,187 WARN L233 SmtUtils]: Spent 12.26s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:16:38,789 WARN L233 SmtUtils]: Spent 15.60s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:16:54,840 WARN L233 SmtUtils]: Spent 16.05s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:16:55,000 INFO L134 LiptonReduction]: Checked pairs total: 2882175 [2022-11-26 01:16:55,001 INFO L136 LiptonReduction]: Total number of compositions: 710 [2022-11-26 01:16:55,011 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 541 places, 588 transitions, 1184 flow [2022-11-26 01:16:56,899 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 70168 states, 67864 states have (on average 2.2432070022397737) internal successors, (152233), 70167 states have internal predecessors, (152233), 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) [2022-11-26 01:16:56,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:16:56,933 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=FINITE_AUTOMATA, 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;@254af025, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:16:56,933 INFO L358 AbstractCegarLoop]: Starting to check reachability of 143 error locations. [2022-11-26 01:16:57,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 70168 states, 67864 states have (on average 2.2432070022397737) internal successors, (152233), 70167 states have internal predecessors, (152233), 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) [2022-11-26 01:16:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-26 01:16:57,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:16:57,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-26 01:16:57,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-11-26 01:16:57,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:16:57,017 INFO L85 PathProgramCache]: Analyzing trace with hash 117578, now seen corresponding path program 1 times [2022-11-26 01:16:57,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:16:57,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069277047] [2022-11-26 01:16:57,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:16:57,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:16:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:16:57,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:16:57,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:16:57,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069277047] [2022-11-26 01:16:57,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069277047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:16:57,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:16:57,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 01:16:57,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830215975] [2022-11-26 01:16:57,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:16:57,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 01:16:57,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:16:57,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 01:16:57,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:16:57,463 INFO L87 Difference]: Start difference. First operand has 70168 states, 67864 states have (on average 2.2432070022397737) internal successors, (152233), 70167 states have internal predecessors, (152233), 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) Second operand has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-26 01:17:00,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:17:00,072 INFO L93 Difference]: Finished difference Result 70161 states and 146139 transitions. [2022-11-26 01:17:00,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 01:17:00,076 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) Word has length 2 [2022-11-26 01:17:00,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:17:00,670 INFO L225 Difference]: With dead ends: 70161 [2022-11-26 01:17:00,670 INFO L226 Difference]: Without dead ends: 70159 [2022-11-26 01:17:00,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:17:00,674 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:17:00,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 347 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 01:17:00,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70159 states. [2022-11-26 01:17:03,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70159 to 70159. [2022-11-26 01:17:04,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70159 states, 67864 states have (on average 2.153365554638689) internal successors, (146136), 70158 states have internal predecessors, (146136), 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) [2022-11-26 01:17:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70159 states to 70159 states and 146136 transitions. [2022-11-26 01:17:04,914 INFO L78 Accepts]: Start accepts. Automaton has 70159 states and 146136 transitions. Word has length 2 [2022-11-26 01:17:04,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:17:04,915 INFO L495 AbstractCegarLoop]: Abstraction has 70159 states and 146136 transitions. [2022-11-26 01:17:04,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-26 01:17:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand 70159 states and 146136 transitions. [2022-11-26 01:17:04,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 01:17:04,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:17:04,917 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-11-26 01:17:04,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:17:04,918 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-11-26 01:17:04,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:17:04,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1281736247, now seen corresponding path program 1 times [2022-11-26 01:17:04,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:17:04,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335523307] [2022-11-26 01:17:04,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:17:04,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:17:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:17:05,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:17:05,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:17:05,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335523307] [2022-11-26 01:17:05,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335523307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:17:05,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:17:05,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:17:05,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856123292] [2022-11-26 01:17:05,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:17:05,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:17:05,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:17:05,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:17:05,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:17:05,133 INFO L87 Difference]: Start difference. First operand 70159 states and 146136 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-26 01:17:06,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:17:06,934 INFO L93 Difference]: Finished difference Result 70160 states and 146137 transitions. [2022-11-26 01:17:06,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:17:06,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 7 [2022-11-26 01:17:06,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:17:07,282 INFO L225 Difference]: With dead ends: 70160 [2022-11-26 01:17:07,282 INFO L226 Difference]: Without dead ends: 70160 [2022-11-26 01:17:07,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:17:07,284 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 0 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:17:07,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 694 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 01:17:07,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70160 states. [2022-11-26 01:17:08,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70160 to 70160. [2022-11-26 01:17:09,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70160 states, 67865 states have (on average 2.1533485596404627) internal successors, (146137), 70159 states have internal predecessors, (146137), 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) [2022-11-26 01:17:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70160 states to 70160 states and 146137 transitions. [2022-11-26 01:17:09,532 INFO L78 Accepts]: Start accepts. Automaton has 70160 states and 146137 transitions. Word has length 7 [2022-11-26 01:17:09,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:17:09,532 INFO L495 AbstractCegarLoop]: Abstraction has 70160 states and 146137 transitions. [2022-11-26 01:17:09,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-26 01:17:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 70160 states and 146137 transitions. [2022-11-26 01:17:09,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 01:17:09,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:17:09,534 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-26 01:17:09,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:17:09,534 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-11-26 01:17:09,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:17:09,535 INFO L85 PathProgramCache]: Analyzing trace with hash 494959114, now seen corresponding path program 1 times [2022-11-26 01:17:09,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:17:09,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761547502] [2022-11-26 01:17:09,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:17:09,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:17:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:17:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:17:09,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:17:09,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761547502] [2022-11-26 01:17:09,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761547502] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:17:09,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473655896] [2022-11-26 01:17:09,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:17:09,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:17:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:17:09,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:17:09,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:17:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:17:09,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 01:17:09,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:17:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:17:09,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:17:09,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 01:17:09,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473655896] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 01:17:09,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2146287039] [2022-11-26 01:17:09,978 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-26 01:17:09,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 01:17:09,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2022-11-26 01:17:09,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247216556] [2022-11-26 01:17:09,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 01:17:09,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:17:09,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:17:09,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:17:09,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:17:09,996 INFO L87 Difference]: Start difference. First operand 70160 states and 146137 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-26 01:17:11,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:17:11,857 INFO L93 Difference]: Finished difference Result 70162 states and 146139 transitions. [2022-11-26 01:17:11,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:17:11,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 8 [2022-11-26 01:17:11,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:17:12,480 INFO L225 Difference]: With dead ends: 70162 [2022-11-26 01:17:12,480 INFO L226 Difference]: Without dead ends: 70162 [2022-11-26 01:17:12,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:17:12,487 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 0 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:17:12,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1041 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 01:17:12,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70162 states. [2022-11-26 01:17:13,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70162 to 70162. [2022-11-26 01:17:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70162 states, 67867 states have (on average 2.153314571146507) internal successors, (146139), 70161 states have internal predecessors, (146139), 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) [2022-11-26 01:17:14,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70162 states to 70162 states and 146139 transitions. [2022-11-26 01:17:14,210 INFO L78 Accepts]: Start accepts. Automaton has 70162 states and 146139 transitions. Word has length 8 [2022-11-26 01:17:14,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:17:14,211 INFO L495 AbstractCegarLoop]: Abstraction has 70162 states and 146139 transitions. [2022-11-26 01:17:14,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-26 01:17:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 70162 states and 146139 transitions. [2022-11-26 01:17:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 01:17:14,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:17:14,212 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1] [2022-11-26 01:17:14,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 01:17:14,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b82705-3514-488e-9336-abe0a0ad8e9f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:17:14,418 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-11-26 01:17:14,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:17:14,419 INFO L85 PathProgramCache]: Analyzing trace with hash 2040165866, now seen corresponding path program 2 times [2022-11-26 01:17:14,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:17:14,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876291253] [2022-11-26 01:17:14,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:17:14,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:17:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:17:14,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:17:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:17:14,605 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 01:17:14,606 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:17:14,607 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (142 of 143 remaining) [2022-11-26 01:17:14,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (141 of 143 remaining) [2022-11-26 01:17:14,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (140 of 143 remaining) [2022-11-26 01:17:14,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (139 of 143 remaining) [2022-11-26 01:17:14,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (138 of 143 remaining) [2022-11-26 01:17:14,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (137 of 143 remaining) [2022-11-26 01:17:14,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (136 of 143 remaining) [2022-11-26 01:17:14,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (135 of 143 remaining) [2022-11-26 01:17:14,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (134 of 143 remaining) [2022-11-26 01:17:14,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (133 of 143 remaining) [2022-11-26 01:17:14,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (132 of 143 remaining) [2022-11-26 01:17:14,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (131 of 143 remaining) [2022-11-26 01:17:14,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (130 of 143 remaining) [2022-11-26 01:17:14,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (129 of 143 remaining) [2022-11-26 01:17:14,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (128 of 143 remaining) [2022-11-26 01:17:14,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (127 of 143 remaining) [2022-11-26 01:17:14,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (126 of 143 remaining) [2022-11-26 01:17:14,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (125 of 143 remaining) [2022-11-26 01:17:14,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (124 of 143 remaining) [2022-11-26 01:17:14,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (123 of 143 remaining) [2022-11-26 01:17:14,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (122 of 143 remaining) [2022-11-26 01:17:14,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (121 of 143 remaining) [2022-11-26 01:17:14,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (120 of 143 remaining) [2022-11-26 01:17:14,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (119 of 143 remaining) [2022-11-26 01:17:14,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (118 of 143 remaining) [2022-11-26 01:17:14,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (117 of 143 remaining) [2022-11-26 01:17:14,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (116 of 143 remaining) [2022-11-26 01:17:14,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (115 of 143 remaining) [2022-11-26 01:17:14,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (114 of 143 remaining) [2022-11-26 01:17:14,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (113 of 143 remaining) [2022-11-26 01:17:14,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (112 of 143 remaining) [2022-11-26 01:17:14,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (111 of 143 remaining) [2022-11-26 01:17:14,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (110 of 143 remaining) [2022-11-26 01:17:14,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (109 of 143 remaining) [2022-11-26 01:17:14,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (108 of 143 remaining) [2022-11-26 01:17:14,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (107 of 143 remaining) [2022-11-26 01:17:14,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (106 of 143 remaining) [2022-11-26 01:17:14,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (105 of 143 remaining) [2022-11-26 01:17:14,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (104 of 143 remaining) [2022-11-26 01:17:14,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (103 of 143 remaining) [2022-11-26 01:17:14,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (102 of 143 remaining) [2022-11-26 01:17:14,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (101 of 143 remaining) [2022-11-26 01:17:14,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (100 of 143 remaining) [2022-11-26 01:17:14,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (99 of 143 remaining) [2022-11-26 01:17:14,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (98 of 143 remaining) [2022-11-26 01:17:14,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (97 of 143 remaining) [2022-11-26 01:17:14,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (96 of 143 remaining) [2022-11-26 01:17:14,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (95 of 143 remaining) [2022-11-26 01:17:14,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (94 of 143 remaining) [2022-11-26 01:17:14,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (93 of 143 remaining) [2022-11-26 01:17:14,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (92 of 143 remaining) [2022-11-26 01:17:14,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (91 of 143 remaining) [2022-11-26 01:17:14,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (90 of 143 remaining) [2022-11-26 01:17:14,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (89 of 143 remaining) [2022-11-26 01:17:14,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (88 of 143 remaining) [2022-11-26 01:17:14,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (87 of 143 remaining) [2022-11-26 01:17:14,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (86 of 143 remaining) [2022-11-26 01:17:14,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (85 of 143 remaining) [2022-11-26 01:17:14,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (84 of 143 remaining) [2022-11-26 01:17:14,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (83 of 143 remaining) [2022-11-26 01:17:14,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (82 of 143 remaining) [2022-11-26 01:17:14,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (81 of 143 remaining) [2022-11-26 01:17:14,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (80 of 143 remaining) [2022-11-26 01:17:14,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (79 of 143 remaining) [2022-11-26 01:17:14,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (78 of 143 remaining) [2022-11-26 01:17:14,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (77 of 143 remaining) [2022-11-26 01:17:14,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (76 of 143 remaining) [2022-11-26 01:17:14,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (75 of 143 remaining) [2022-11-26 01:17:14,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (74 of 143 remaining) [2022-11-26 01:17:14,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (73 of 143 remaining) [2022-11-26 01:17:14,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (72 of 143 remaining) [2022-11-26 01:17:14,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (71 of 143 remaining) [2022-11-26 01:17:14,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (70 of 143 remaining) [2022-11-26 01:17:14,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (69 of 143 remaining) [2022-11-26 01:17:14,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (68 of 143 remaining) [2022-11-26 01:17:14,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (67 of 143 remaining) [2022-11-26 01:17:14,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (66 of 143 remaining) [2022-11-26 01:17:14,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (65 of 143 remaining) [2022-11-26 01:17:14,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (64 of 143 remaining) [2022-11-26 01:17:14,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (63 of 143 remaining) [2022-11-26 01:17:14,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (62 of 143 remaining) [2022-11-26 01:17:14,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (61 of 143 remaining) [2022-11-26 01:17:14,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (60 of 143 remaining) [2022-11-26 01:17:14,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (59 of 143 remaining) [2022-11-26 01:17:14,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (58 of 143 remaining) [2022-11-26 01:17:14,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (57 of 143 remaining) [2022-11-26 01:17:14,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr34ASSERT_VIOLATIONDATA_RACE (56 of 143 remaining) [2022-11-26 01:17:14,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (55 of 143 remaining) [2022-11-26 01:17:14,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr35ASSERT_VIOLATIONDATA_RACE (54 of 143 remaining) [2022-11-26 01:17:14,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (53 of 143 remaining) [2022-11-26 01:17:14,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr36ASSERT_VIOLATIONDATA_RACE (52 of 143 remaining) [2022-11-26 01:17:14,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (51 of 143 remaining) [2022-11-26 01:17:14,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr37ASSERT_VIOLATIONDATA_RACE (50 of 143 remaining) [2022-11-26 01:17:14,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr38ASSERT_VIOLATIONDATA_RACE (49 of 143 remaining) [2022-11-26 01:17:14,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr39ASSERT_VIOLATIONDATA_RACE (48 of 143 remaining) [2022-11-26 01:17:14,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr40ASSERT_VIOLATIONDATA_RACE (47 of 143 remaining) [2022-11-26 01:17:14,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr43ASSERT_VIOLATIONDATA_RACE (46 of 143 remaining) [2022-11-26 01:17:14,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr41ASSERT_VIOLATIONDATA_RACE (45 of 143 remaining) [2022-11-26 01:17:14,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr42ASSERT_VIOLATIONDATA_RACE (44 of 143 remaining) [2022-11-26 01:17:14,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (43 of 143 remaining) [2022-11-26 01:17:14,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (42 of 143 remaining) [2022-11-26 01:17:14,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (41 of 143 remaining) [2022-11-26 01:17:14,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (40 of 143 remaining) [2022-11-26 01:17:14,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (39 of 143 remaining) [2022-11-26 01:17:14,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (38 of 143 remaining) [2022-11-26 01:17:14,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (37 of 143 remaining) [2022-11-26 01:17:14,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (36 of 143 remaining) [2022-11-26 01:17:14,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (35 of 143 remaining) [2022-11-26 01:17:14,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (34 of 143 remaining) [2022-11-26 01:17:14,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (33 of 143 remaining) [2022-11-26 01:17:14,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (32 of 143 remaining) [2022-11-26 01:17:14,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (31 of 143 remaining) [2022-11-26 01:17:14,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (30 of 143 remaining) [2022-11-26 01:17:14,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (29 of 143 remaining) [2022-11-26 01:17:14,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (28 of 143 remaining) [2022-11-26 01:17:14,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (27 of 143 remaining) [2022-11-26 01:17:14,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (26 of 143 remaining) [2022-11-26 01:17:14,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (25 of 143 remaining) [2022-11-26 01:17:14,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (24 of 143 remaining) [2022-11-26 01:17:14,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (23 of 143 remaining) [2022-11-26 01:17:14,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (22 of 143 remaining) [2022-11-26 01:17:14,643 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (21 of 143 remaining) [2022-11-26 01:17:14,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (20 of 143 remaining) [2022-11-26 01:17:14,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (19 of 143 remaining) [2022-11-26 01:17:14,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (18 of 143 remaining) [2022-11-26 01:17:14,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (17 of 143 remaining) [2022-11-26 01:17:14,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (16 of 143 remaining) [2022-11-26 01:17:14,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (15 of 143 remaining) [2022-11-26 01:17:14,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (14 of 143 remaining) [2022-11-26 01:17:14,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (13 of 143 remaining) [2022-11-26 01:17:14,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr34ASSERT_VIOLATIONDATA_RACE (12 of 143 remaining) [2022-11-26 01:17:14,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (11 of 143 remaining) [2022-11-26 01:17:14,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr35ASSERT_VIOLATIONDATA_RACE (10 of 143 remaining) [2022-11-26 01:17:14,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (9 of 143 remaining) [2022-11-26 01:17:14,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr36ASSERT_VIOLATIONDATA_RACE (8 of 143 remaining) [2022-11-26 01:17:14,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (7 of 143 remaining) [2022-11-26 01:17:14,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr37ASSERT_VIOLATIONDATA_RACE (6 of 143 remaining) [2022-11-26 01:17:14,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr38ASSERT_VIOLATIONDATA_RACE (5 of 143 remaining) [2022-11-26 01:17:14,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr39ASSERT_VIOLATIONDATA_RACE (4 of 143 remaining) [2022-11-26 01:17:14,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr40ASSERT_VIOLATIONDATA_RACE (3 of 143 remaining) [2022-11-26 01:17:14,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr43ASSERT_VIOLATIONDATA_RACE (2 of 143 remaining) [2022-11-26 01:17:14,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr41ASSERT_VIOLATIONDATA_RACE (1 of 143 remaining) [2022-11-26 01:17:14,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr42ASSERT_VIOLATIONDATA_RACE (0 of 143 remaining) [2022-11-26 01:17:14,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 01:17:14,655 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-11-26 01:17:14,656 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-26 01:17:14,657 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-26 01:17:15,155 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-26 01:17:15,166 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 01:17:15,166 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1447 places, 1543 transitions, 3104 flow [2022-11-26 01:17:15,166 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1447 places, 1543 transitions, 3104 flow [2022-11-26 01:17:15,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1447 places, 1543 transitions, 3104 flow [2022-11-26 01:17:17,293 INFO L130 PetriNetUnfolder]: 179/2618 cut-off events. [2022-11-26 01:17:17,293 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-26 01:17:17,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2632 conditions, 2618 events. 179/2618 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 13374 event pairs, 0 based on Foata normal form. 0/2196 useless extension candidates. Maximal degree in co-relation 1600. Up to 8 conditions per place. [2022-11-26 01:17:17,870 INFO L119 LiptonReduction]: Number of co-enabled transitions 1343980 [2022-11-26 01:18:14,111 WARN L233 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 108 DAG size of output: 106 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:18:22,137 WARN L233 SmtUtils]: Spent 6.76s on a formula simplification. DAG size of input: 114 DAG size of output: 112 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:19:01,282 WARN L233 SmtUtils]: Spent 22.01s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:19:17,618 WARN L233 SmtUtils]: Spent 16.34s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:19:38,541 WARN L233 SmtUtils]: Spent 20.92s on a formula simplification that was a NOOP. DAG size: 167 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:19:53,841 WARN L233 SmtUtils]: Spent 15.30s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:19:56,334 INFO L134 LiptonReduction]: Checked pairs total: 7714662 [2022-11-26 01:19:56,334 INFO L136 LiptonReduction]: Total number of compositions: 953 [2022-11-26 01:19:56,336 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 802 places, 871 transitions, 1760 flow