./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba --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 f7efed4227021db06f22a3abd4d1096de1449b086dcfb78e041156858b4360a4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:53:40,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:53:40,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:53:40,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:53:40,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:53:40,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:53:40,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:53:40,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:53:40,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:53:40,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:53:40,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:53:40,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:53:40,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:53:40,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:53:40,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:53:40,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:53:40,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:53:40,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:53:40,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:53:40,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:53:40,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:53:40,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:53:40,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:53:40,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:53:40,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:53:40,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:53:40,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:53:40,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:53:40,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:53:40,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:53:40,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:53:40,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:53:40,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:53:40,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:53:40,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:53:40,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:53:40,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:53:40,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:53:40,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:53:40,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:53:40,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:53:40,314 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 01:53:40,352 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:53:40,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:53:40,357 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:53:40,357 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:53:40,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:53:40,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:53:40,358 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:53:40,359 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:53:40,359 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:53:40,359 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:53:40,360 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:53:40,360 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:53:40,361 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:53:40,361 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:53:40,361 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:53:40,361 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:53:40,362 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:53:40,362 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:53:40,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:53:40,363 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:53:40,363 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:53:40,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:53:40,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:53:40,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:53:40,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:53:40,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:53:40,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:53:40,365 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 01:53:40,365 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:53:40,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:53:40,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:53:40,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:53:40,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:53:40,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:53:40,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:53:40,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:53:40,367 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:53:40,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:53:40,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:53:40,368 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:53:40,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:53:40,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:53:40,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:53:40,368 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7efed4227021db06f22a3abd4d1096de1449b086dcfb78e041156858b4360a4 [2022-11-22 01:53:40,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:53:40,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:53:40,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:53:40,765 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:53:40,765 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:53:40,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i [2022-11-22 01:53:44,022 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:53:44,382 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:53:44,383 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i [2022-11-22 01:53:44,411 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/data/9d2ad1890/649a75efc4504136995c292ce389ec2d/FLAGfb27c6544 [2022-11-22 01:53:44,433 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/data/9d2ad1890/649a75efc4504136995c292ce389ec2d [2022-11-22 01:53:44,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:53:44,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:53:44,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:53:44,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:53:44,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:53:44,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:53:44" (1/1) ... [2022-11-22 01:53:44,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a5ff17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:44, skipping insertion in model container [2022-11-22 01:53:44,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:53:44" (1/1) ... [2022-11-22 01:53:44,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:53:44,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:53:44,748 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:53:44,935 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[30448,30461] [2022-11-22 01:53:44,949 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[30811,30824] [2022-11-22 01:53:44,965 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31483,31496] [2022-11-22 01:53:44,966 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31534,31547] [2022-11-22 01:53:44,969 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31683,31696] [2022-11-22 01:53:44,971 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31760,31773] [2022-11-22 01:53:44,972 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31807,31820] [2022-11-22 01:53:44,974 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31916,31929] [2022-11-22 01:53:44,977 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32035,32048] [2022-11-22 01:53:44,978 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32083,32096] [2022-11-22 01:53:44,979 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32160,32173] [2022-11-22 01:53:44,981 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32286,32299] [2022-11-22 01:53:44,991 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32897,32910] [2022-11-22 01:53:44,993 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32974,32987] [2022-11-22 01:53:44,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:53:45,010 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:53:45,026 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:53:45,051 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[30448,30461] [2022-11-22 01:53:45,056 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[30811,30824] [2022-11-22 01:53:45,068 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31483,31496] [2022-11-22 01:53:45,069 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31534,31547] [2022-11-22 01:53:45,072 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31683,31696] [2022-11-22 01:53:45,074 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31760,31773] [2022-11-22 01:53:45,075 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31807,31820] [2022-11-22 01:53:45,078 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[31916,31929] [2022-11-22 01:53:45,080 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32035,32048] [2022-11-22 01:53:45,081 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32083,32096] [2022-11-22 01:53:45,082 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32160,32173] [2022-11-22 01:53:45,084 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32286,32299] [2022-11-22 01:53:45,096 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32897,32910] [2022-11-22 01:53:45,098 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_e838cacb-0d04-43a6-bda1-c18133e5b56c/sv-benchmarks/c/pthread-divine/one_time_barrier_twice_3t.i[32974,32987] [2022-11-22 01:53:45,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:53:45,144 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:53:45,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45 WrapperNode [2022-11-22 01:53:45,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:53:45,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:53:45,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:53:45,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:53:45,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45" (1/1) ... [2022-11-22 01:53:45,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45" (1/1) ... [2022-11-22 01:53:45,288 INFO L138 Inliner]: procedures = 174, calls = 78, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 810 [2022-11-22 01:53:45,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:53:45,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:53:45,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:53:45,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:53:45,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45" (1/1) ... [2022-11-22 01:53:45,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45" (1/1) ... [2022-11-22 01:53:45,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45" (1/1) ... [2022-11-22 01:53:45,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45" (1/1) ... [2022-11-22 01:53:45,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45" (1/1) ... [2022-11-22 01:53:45,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45" (1/1) ... [2022-11-22 01:53:45,388 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45" (1/1) ... [2022-11-22 01:53:45,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45" (1/1) ... [2022-11-22 01:53:45,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:53:45,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:53:45,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:53:45,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:53:45,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45" (1/1) ... [2022-11-22 01:53:45,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:53:45,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:53:45,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:53:45,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:53:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:53:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:53:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 01:53:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-11-22 01:53:45,503 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-11-22 01:53:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:53:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:53:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:53:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:53:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:53:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:53:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:53:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:53:45,508 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:53:45,695 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:53:45,697 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:53:47,243 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:53:47,264 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:53:47,264 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-22 01:53:47,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:53:47 BoogieIcfgContainer [2022-11-22 01:53:47,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:53:47,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:53:47,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:53:47,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:53:47,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:53:44" (1/3) ... [2022-11-22 01:53:47,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ce1eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:53:47, skipping insertion in model container [2022-11-22 01:53:47,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:45" (2/3) ... [2022-11-22 01:53:47,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ce1eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:53:47, skipping insertion in model container [2022-11-22 01:53:47,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:53:47" (3/3) ... [2022-11-22 01:53:47,277 INFO L112 eAbstractionObserver]: Analyzing ICFG one_time_barrier_twice_3t.i [2022-11-22 01:53:47,286 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:53:47,297 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:53:47,297 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2022-11-22 01:53:47,298 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:53:47,523 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-22 01:53:47,581 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:53:47,608 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 873 places, 933 transitions, 1874 flow [2022-11-22 01:53:47,618 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 873 places, 933 transitions, 1874 flow [2022-11-22 01:53:47,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 873 places, 933 transitions, 1874 flow [2022-11-22 01:53:48,517 INFO L130 PetriNetUnfolder]: 95/1357 cut-off events. [2022-11-22 01:53:48,518 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-22 01:53:48,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 1357 events. 95/1357 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4528 event pairs, 0 based on Foata normal form. 0/1144 useless extension candidates. Maximal degree in co-relation 794. Up to 4 conditions per place. [2022-11-22 01:53:48,678 INFO L119 LiptonReduction]: Number of co-enabled transitions 313900 [2022-11-22 01:55:13,647 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 110 DAG size of output: 106 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:55:24,087 WARN L233 SmtUtils]: Spent 8.38s on a formula simplification. DAG size of input: 119 DAG size of output: 115 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:55:33,256 WARN L233 SmtUtils]: Spent 7.08s on a formula simplification. DAG size of input: 122 DAG size of output: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:56:31,000 WARN L233 SmtUtils]: Spent 48.06s on a formula simplification that was a NOOP. DAG size: 183 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:57:02,587 WARN L233 SmtUtils]: Spent 31.58s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:58:04,620 WARN L233 SmtUtils]: Spent 1.03m on a formula simplification that was a NOOP. DAG size: 192 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:58:47,538 WARN L233 SmtUtils]: Spent 42.91s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:58:52,744 INFO L134 LiptonReduction]: Checked pairs total: 5619363 [2022-11-22 01:58:52,744 INFO L136 LiptonReduction]: Total number of compositions: 712 [2022-11-22 01:58:52,753 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 439 places, 476 transitions, 960 flow [2022-11-22 01:58:54,312 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 45722 states, 44278 states have (on average 2.233682641492389) internal successors, (98903), 45721 states have internal predecessors, (98903), 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) [2022-11-22 01:58:54,382 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:58:54,392 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;@448ec3c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:58:54,392 INFO L358 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2022-11-22 01:58:54,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 45722 states, 44278 states have (on average 2.233682641492389) internal successors, (98903), 45721 states have internal predecessors, (98903), 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) [2022-11-22 01:58:54,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-22 01:58:54,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:58:54,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-22 01:58:54,461 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2022-11-22 01:58:54,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:58:54,476 INFO L85 PathProgramCache]: Analyzing trace with hash 101638, now seen corresponding path program 1 times [2022-11-22 01:58:54,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:58:54,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119510056] [2022-11-22 01:58:54,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:58:54,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:58:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:58:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:58:54,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:58:54,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119510056] [2022-11-22 01:58:54,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119510056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:58:54,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:58:54,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:58:54,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922897755] [2022-11-22 01:58:54,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:58:54,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:58:54,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:58:55,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:58:55,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:58:55,084 INFO L87 Difference]: Start difference. First operand has 45722 states, 44278 states have (on average 2.233682641492389) internal successors, (98903), 45721 states have internal predecessors, (98903), 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) [2022-11-22 01:58:57,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:58:57,219 INFO L93 Difference]: Finished difference Result 45715 states and 94411 transitions. [2022-11-22 01:58:57,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:58:57,222 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 [2022-11-22 01:58:57,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:58:57,501 INFO L225 Difference]: With dead ends: 45715 [2022-11-22 01:58:57,501 INFO L226 Difference]: Without dead ends: 45713 [2022-11-22 01:58:57,503 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 [2022-11-22 01:58:57,507 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:58:57,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 297 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 01:58:57,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45713 states. [2022-11-22 01:58:59,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45713 to 45713. [2022-11-22 01:58:59,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45713 states, 44278 states have (on average 2.132164957766837) internal successors, (94408), 45712 states have internal predecessors, (94408), 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) [2022-11-22 01:59:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45713 states to 45713 states and 94408 transitions. [2022-11-22 01:59:00,010 INFO L78 Accepts]: Start accepts. Automaton has 45713 states and 94408 transitions. Word has length 2 [2022-11-22 01:59:00,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:00,011 INFO L495 AbstractCegarLoop]: Abstraction has 45713 states and 94408 transitions. [2022-11-22 01:59:00,011 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) [2022-11-22 01:59:00,011 INFO L276 IsEmpty]: Start isEmpty. Operand 45713 states and 94408 transitions. [2022-11-22 01:59:00,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:59:00,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:00,012 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-11-22 01:59:00,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:59:00,013 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2022-11-22 01:59:00,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:00,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1846645831, now seen corresponding path program 1 times [2022-11-22 01:59:00,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:00,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123702506] [2022-11-22 01:59:00,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:00,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:00,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:59:00,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:59:00,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123702506] [2022-11-22 01:59:00,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123702506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:59:00,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:59:00,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:59:00,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290047615] [2022-11-22 01:59:00,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:59:00,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:59:00,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:59:00,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:59:00,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:59:00,492 INFO L87 Difference]: Start difference. First operand 45713 states and 94408 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) [2022-11-22 01:59:02,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:59:03,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:59:03,595 INFO L93 Difference]: Finished difference Result 45714 states and 94409 transitions. [2022-11-22 01:59:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:59:03,596 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 [2022-11-22 01:59:03,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:59:03,779 INFO L225 Difference]: With dead ends: 45714 [2022-11-22 01:59:03,779 INFO L226 Difference]: Without dead ends: 45714 [2022-11-22 01:59:03,779 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 [2022-11-22 01:59:03,781 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:59:03,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 594 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-22 01:59:03,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45714 states. [2022-11-22 01:59:05,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45714 to 45714. [2022-11-22 01:59:05,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45714 states, 44279 states have (on average 2.1321393888750877) internal successors, (94409), 45713 states have internal predecessors, (94409), 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) [2022-11-22 01:59:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45714 states to 45714 states and 94409 transitions. [2022-11-22 01:59:05,745 INFO L78 Accepts]: Start accepts. Automaton has 45714 states and 94409 transitions. Word has length 7 [2022-11-22 01:59:05,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:05,745 INFO L495 AbstractCegarLoop]: Abstraction has 45714 states and 94409 transitions. [2022-11-22 01:59:05,746 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) [2022-11-22 01:59:05,746 INFO L276 IsEmpty]: Start isEmpty. Operand 45714 states and 94409 transitions. [2022-11-22 01:59:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:59:05,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:05,747 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-22 01:59:05,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:59:05,748 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2022-11-22 01:59:05,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:05,749 INFO L85 PathProgramCache]: Analyzing trace with hash -580125815, now seen corresponding path program 1 times [2022-11-22 01:59:05,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:05,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427205759] [2022-11-22 01:59:05,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:05,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:59:05,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:59:05,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427205759] [2022-11-22 01:59:05,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427205759] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:59:05,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12965956] [2022-11-22 01:59:05,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:05,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:59:05,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:59:05,984 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:59:05,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:59:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:06,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:59:06,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:59:06,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:59:06,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:59:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:59:06,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12965956] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:59:06,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1151867319] [2022-11-22 01:59:06,262 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:336) 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) [2022-11-22 01:59:06,269 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:59:06,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-22 01:59:06,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102543573] [2022-11-22 01:59:06,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:59:06,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:59:06,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:59:06,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:59:06,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:59:06,275 INFO L87 Difference]: Start difference. First operand 45714 states and 94409 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-22 01:59:09,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:59:09,743 INFO L93 Difference]: Finished difference Result 45716 states and 94411 transitions. [2022-11-22 01:59:09,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:59:09,743 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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 [2022-11-22 01:59:09,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:59:09,928 INFO L225 Difference]: With dead ends: 45716 [2022-11-22 01:59:09,928 INFO L226 Difference]: Without dead ends: 45716 [2022-11-22 01:59:09,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:59:09,930 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 0 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:59:09,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 891 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-22 01:59:10,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45716 states. [2022-11-22 01:59:11,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45716 to 45716. [2022-11-22 01:59:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45716 states, 44281 states have (on average 2.1320882545561304) internal successors, (94411), 45715 states have internal predecessors, (94411), 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) [2022-11-22 01:59:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45716 states to 45716 states and 94411 transitions. [2022-11-22 01:59:11,405 INFO L78 Accepts]: Start accepts. Automaton has 45716 states and 94411 transitions. Word has length 8 [2022-11-22 01:59:11,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:11,406 INFO L495 AbstractCegarLoop]: Abstraction has 45716 states and 94411 transitions. [2022-11-22 01:59:11,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-22 01:59:11,406 INFO L276 IsEmpty]: Start isEmpty. Operand 45716 states and 94411 transitions. [2022-11-22 01:59:11,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 01:59:11,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:11,407 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1] [2022-11-22 01:59:11,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 01:59:11,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e838cacb-0d04-43a6-bda1-c18133e5b56c/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:59:11,617 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2022-11-22 01:59:11,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:11,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1539054409, now seen corresponding path program 2 times [2022-11-22 01:59:11,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:11,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051896596] [2022-11-22 01:59:11,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:11,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:59:11,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:59:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:59:12,102 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:59:12,103 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:59:12,104 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (112 of 113 remaining) [2022-11-22 01:59:12,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (111 of 113 remaining) [2022-11-22 01:59:12,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (110 of 113 remaining) [2022-11-22 01:59:12,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (109 of 113 remaining) [2022-11-22 01:59:12,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (108 of 113 remaining) [2022-11-22 01:59:12,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (107 of 113 remaining) [2022-11-22 01:59:12,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (106 of 113 remaining) [2022-11-22 01:59:12,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (105 of 113 remaining) [2022-11-22 01:59:12,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (104 of 113 remaining) [2022-11-22 01:59:12,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (103 of 113 remaining) [2022-11-22 01:59:12,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (102 of 113 remaining) [2022-11-22 01:59:12,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (101 of 113 remaining) [2022-11-22 01:59:12,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (100 of 113 remaining) [2022-11-22 01:59:12,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (99 of 113 remaining) [2022-11-22 01:59:12,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (98 of 113 remaining) [2022-11-22 01:59:12,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (97 of 113 remaining) [2022-11-22 01:59:12,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (96 of 113 remaining) [2022-11-22 01:59:12,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (95 of 113 remaining) [2022-11-22 01:59:12,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (94 of 113 remaining) [2022-11-22 01:59:12,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (93 of 113 remaining) [2022-11-22 01:59:12,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (92 of 113 remaining) [2022-11-22 01:59:12,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (91 of 113 remaining) [2022-11-22 01:59:12,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (90 of 113 remaining) [2022-11-22 01:59:12,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (89 of 113 remaining) [2022-11-22 01:59:12,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (88 of 113 remaining) [2022-11-22 01:59:12,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (87 of 113 remaining) [2022-11-22 01:59:12,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (86 of 113 remaining) [2022-11-22 01:59:12,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (85 of 113 remaining) [2022-11-22 01:59:12,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (84 of 113 remaining) [2022-11-22 01:59:12,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (83 of 113 remaining) [2022-11-22 01:59:12,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (82 of 113 remaining) [2022-11-22 01:59:12,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (81 of 113 remaining) [2022-11-22 01:59:12,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (80 of 113 remaining) [2022-11-22 01:59:12,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (79 of 113 remaining) [2022-11-22 01:59:12,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (78 of 113 remaining) [2022-11-22 01:59:12,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (77 of 113 remaining) [2022-11-22 01:59:12,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (76 of 113 remaining) [2022-11-22 01:59:12,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (75 of 113 remaining) [2022-11-22 01:59:12,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (74 of 113 remaining) [2022-11-22 01:59:12,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (73 of 113 remaining) [2022-11-22 01:59:12,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (72 of 113 remaining) [2022-11-22 01:59:12,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (71 of 113 remaining) [2022-11-22 01:59:12,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (70 of 113 remaining) [2022-11-22 01:59:12,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (69 of 113 remaining) [2022-11-22 01:59:12,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (68 of 113 remaining) [2022-11-22 01:59:12,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (67 of 113 remaining) [2022-11-22 01:59:12,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (66 of 113 remaining) [2022-11-22 01:59:12,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (65 of 113 remaining) [2022-11-22 01:59:12,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (64 of 113 remaining) [2022-11-22 01:59:12,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (63 of 113 remaining) [2022-11-22 01:59:12,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (62 of 113 remaining) [2022-11-22 01:59:12,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (61 of 113 remaining) [2022-11-22 01:59:12,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (60 of 113 remaining) [2022-11-22 01:59:12,118 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (59 of 113 remaining) [2022-11-22 01:59:12,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (58 of 113 remaining) [2022-11-22 01:59:12,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (57 of 113 remaining) [2022-11-22 01:59:12,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (56 of 113 remaining) [2022-11-22 01:59:12,119 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (55 of 113 remaining) [2022-11-22 01:59:12,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (54 of 113 remaining) [2022-11-22 01:59:12,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (53 of 113 remaining) [2022-11-22 01:59:12,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (52 of 113 remaining) [2022-11-22 01:59:12,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (51 of 113 remaining) [2022-11-22 01:59:12,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (50 of 113 remaining) [2022-11-22 01:59:12,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (49 of 113 remaining) [2022-11-22 01:59:12,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (48 of 113 remaining) [2022-11-22 01:59:12,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (47 of 113 remaining) [2022-11-22 01:59:12,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (46 of 113 remaining) [2022-11-22 01:59:12,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (45 of 113 remaining) [2022-11-22 01:59:12,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (44 of 113 remaining) [2022-11-22 01:59:12,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (43 of 113 remaining) [2022-11-22 01:59:12,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (42 of 113 remaining) [2022-11-22 01:59:12,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (41 of 113 remaining) [2022-11-22 01:59:12,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (40 of 113 remaining) [2022-11-22 01:59:12,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (39 of 113 remaining) [2022-11-22 01:59:12,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (38 of 113 remaining) [2022-11-22 01:59:12,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (37 of 113 remaining) [2022-11-22 01:59:12,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (36 of 113 remaining) [2022-11-22 01:59:12,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (35 of 113 remaining) [2022-11-22 01:59:12,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (34 of 113 remaining) [2022-11-22 01:59:12,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (33 of 113 remaining) [2022-11-22 01:59:12,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (32 of 113 remaining) [2022-11-22 01:59:12,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (31 of 113 remaining) [2022-11-22 01:59:12,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (30 of 113 remaining) [2022-11-22 01:59:12,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (29 of 113 remaining) [2022-11-22 01:59:12,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (28 of 113 remaining) [2022-11-22 01:59:12,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (27 of 113 remaining) [2022-11-22 01:59:12,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (26 of 113 remaining) [2022-11-22 01:59:12,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (25 of 113 remaining) [2022-11-22 01:59:12,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (24 of 113 remaining) [2022-11-22 01:59:12,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (23 of 113 remaining) [2022-11-22 01:59:12,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (22 of 113 remaining) [2022-11-22 01:59:12,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (21 of 113 remaining) [2022-11-22 01:59:12,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (20 of 113 remaining) [2022-11-22 01:59:12,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (19 of 113 remaining) [2022-11-22 01:59:12,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (18 of 113 remaining) [2022-11-22 01:59:12,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (17 of 113 remaining) [2022-11-22 01:59:12,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (16 of 113 remaining) [2022-11-22 01:59:12,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (15 of 113 remaining) [2022-11-22 01:59:12,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (14 of 113 remaining) [2022-11-22 01:59:12,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (13 of 113 remaining) [2022-11-22 01:59:12,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (12 of 113 remaining) [2022-11-22 01:59:12,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (11 of 113 remaining) [2022-11-22 01:59:12,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (10 of 113 remaining) [2022-11-22 01:59:12,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (9 of 113 remaining) [2022-11-22 01:59:12,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (8 of 113 remaining) [2022-11-22 01:59:12,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (7 of 113 remaining) [2022-11-22 01:59:12,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (6 of 113 remaining) [2022-11-22 01:59:12,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (5 of 113 remaining) [2022-11-22 01:59:12,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (4 of 113 remaining) [2022-11-22 01:59:12,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (3 of 113 remaining) [2022-11-22 01:59:12,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (2 of 113 remaining) [2022-11-22 01:59:12,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (1 of 113 remaining) [2022-11-22 01:59:12,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (0 of 113 remaining) [2022-11-22 01:59:12,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:59:12,135 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-11-22 01:59:12,137 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-22 01:59:12,137 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-22 01:59:12,284 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 01:59:12,295 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:59:12,295 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1215 places, 1300 transitions, 2618 flow [2022-11-22 01:59:12,295 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1215 places, 1300 transitions, 2618 flow [2022-11-22 01:59:12,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1215 places, 1300 transitions, 2618 flow [2022-11-22 01:59:14,092 INFO L130 PetriNetUnfolder]: 160/2209 cut-off events. [2022-11-22 01:59:14,092 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-22 01:59:14,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2223 conditions, 2209 events. 160/2209 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 10243 event pairs, 0 based on Foata normal form. 0/1856 useless extension candidates. Maximal degree in co-relation 1359. Up to 8 conditions per place. [2022-11-22 01:59:14,692 INFO L119 LiptonReduction]: Number of co-enabled transitions 902280 [2022-11-22 02:01:06,183 WARN L233 SmtUtils]: Spent 9.04s on a formula simplification. DAG size of input: 111 DAG size of output: 109 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:01:34,826 WARN L233 SmtUtils]: Spent 24.39s on a formula simplification. DAG size of input: 138 DAG size of output: 136 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:01:40,016 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:02:16,847 WARN L233 SmtUtils]: Spent 36.83s on a formula simplification. DAG size of input: 150 DAG size of output: 146 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:02:24,156 WARN L233 SmtUtils]: Spent 7.31s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:02:29,333 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 104 DAG size of output: 99 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:02:37,057 WARN L233 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 104 DAG size of output: 99 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:04:25,050 WARN L233 SmtUtils]: Spent 1.72m on a formula simplification. DAG size of input: 179 DAG size of output: 175 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:05:00,792 WARN L233 SmtUtils]: Spent 35.74s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:07:18,067 WARN L233 SmtUtils]: Spent 2.29m on a formula simplification. DAG size of input: 188 DAG size of output: 184 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:08:06,006 WARN L233 SmtUtils]: Spent 47.94s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)