./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9 --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 658086e6a2b970f68ba6fa20919311f7cc4c75e1705e5ad288c4fd1e6439159f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 21:21:29,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:21:29,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:21:29,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:21:29,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:21:29,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:21:29,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:21:29,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:21:29,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:21:29,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:21:29,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:21:29,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:21:29,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:21:29,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:21:29,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:21:29,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:21:29,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:21:29,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:21:29,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:21:29,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:21:29,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:21:29,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:21:29,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:21:29,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:21:29,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:21:29,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:21:29,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:21:29,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:21:29,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:21:29,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:21:29,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:21:29,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:21:29,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:21:29,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:21:29,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:21:29,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:21:29,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:21:29,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:21:29,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:21:29,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:21:29,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:21:29,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-20 21:21:29,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:21:29,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:21:29,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:21:29,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:21:29,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:21:29,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:21:29,169 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:21:29,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:21:29,169 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:21:29,169 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:21:29,170 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:21:29,170 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:21:29,171 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:21:29,171 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:21:29,171 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:21:29,171 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:21:29,171 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:21:29,171 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:21:29,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:21:29,172 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:21:29,172 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:21:29,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:21:29,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:21:29,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:21:29,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:21:29,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:21:29,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:21:29,174 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 21:21:29,174 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:21:29,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:21:29,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:21:29,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:21:29,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:21:29,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:21:29,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:21:29,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:21:29,176 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:21:29,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:21:29,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:21:29,176 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:21:29,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:21:29,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:21:29,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:21:29,177 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_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 658086e6a2b970f68ba6fa20919311f7cc4c75e1705e5ad288c4fd1e6439159f [2022-11-20 21:21:29,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:21:29,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:21:29,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:21:29,445 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:21:29,446 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:21:29,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i [2022-11-20 21:21:32,583 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:21:32,895 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:21:32,895 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i [2022-11-20 21:21:32,926 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/data/dcfa55079/a81dc9a9f26048e99c569daecbce187e/FLAG4983cb78f [2022-11-20 21:21:32,949 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/data/dcfa55079/a81dc9a9f26048e99c569daecbce187e [2022-11-20 21:21:32,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:21:32,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:21:32,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:21:32,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:21:32,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:21:32,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:21:32" (1/1) ... [2022-11-20 21:21:32,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73935daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:32, skipping insertion in model container [2022-11-20 21:21:32,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:21:32" (1/1) ... [2022-11-20 21:21:32,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:21:33,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:21:33,171 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 21:21:33,339 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[30448,30461] [2022-11-20 21:21:33,351 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[30811,30824] [2022-11-20 21:21:33,365 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31483,31496] [2022-11-20 21:21:33,366 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31534,31547] [2022-11-20 21:21:33,369 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31683,31696] [2022-11-20 21:21:33,370 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31760,31773] [2022-11-20 21:21:33,371 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31807,31820] [2022-11-20 21:21:33,373 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31916,31929] [2022-11-20 21:21:33,375 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32035,32048] [2022-11-20 21:21:33,376 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32083,32096] [2022-11-20 21:21:33,377 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32160,32173] [2022-11-20 21:21:33,379 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32286,32299] [2022-11-20 21:21:33,388 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32869,32882] [2022-11-20 21:21:33,389 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32946,32959] [2022-11-20 21:21:33,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:21:33,401 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:21:33,414 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 21:21:33,449 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[30448,30461] [2022-11-20 21:21:33,453 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[30811,30824] [2022-11-20 21:21:33,465 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31483,31496] [2022-11-20 21:21:33,475 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31534,31547] [2022-11-20 21:21:33,479 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31683,31696] [2022-11-20 21:21:33,485 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31760,31773] [2022-11-20 21:21:33,488 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31807,31820] [2022-11-20 21:21:33,491 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[31916,31929] [2022-11-20 21:21:33,496 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32035,32048] [2022-11-20 21:21:33,498 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32083,32096] [2022-11-20 21:21:33,501 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32160,32173] [2022-11-20 21:21:33,504 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32286,32299] [2022-11-20 21:21:33,512 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32869,32882] [2022-11-20 21:21:33,522 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_47449809-f46a-44c2-b3c6-9293282f8f31/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i[32946,32959] [2022-11-20 21:21:33,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:21:33,573 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:21:33,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33 WrapperNode [2022-11-20 21:21:33,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:21:33,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:21:33,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:21:33,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:21:33,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33" (1/1) ... [2022-11-20 21:21:33,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33" (1/1) ... [2022-11-20 21:21:33,695 INFO L138 Inliner]: procedures = 174, calls = 75, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 786 [2022-11-20 21:21:33,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:21:33,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:21:33,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:21:33,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:21:33,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33" (1/1) ... [2022-11-20 21:21:33,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33" (1/1) ... [2022-11-20 21:21:33,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33" (1/1) ... [2022-11-20 21:21:33,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33" (1/1) ... [2022-11-20 21:21:33,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33" (1/1) ... [2022-11-20 21:21:33,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33" (1/1) ... [2022-11-20 21:21:33,779 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33" (1/1) ... [2022-11-20 21:21:33,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33" (1/1) ... [2022-11-20 21:21:33,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:21:33,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:21:33,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:21:33,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:21:33,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33" (1/1) ... [2022-11-20 21:21:33,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:21:33,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:21:33,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:21:33,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:21:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:21:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:21:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 21:21:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-11-20 21:21:33,884 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-11-20 21:21:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:21:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 21:21:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:21:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 21:21:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:21:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:21:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:21:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:21:33,888 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 21:21:34,119 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:21:34,121 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:21:35,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:21:35,483 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:21:35,484 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-20 21:21:35,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:21:35 BoogieIcfgContainer [2022-11-20 21:21:35,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:21:35,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:21:35,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:21:35,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:21:35,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:21:32" (1/3) ... [2022-11-20 21:21:35,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346773d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:21:35, skipping insertion in model container [2022-11-20 21:21:35,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:21:33" (2/3) ... [2022-11-20 21:21:35,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346773d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:21:35, skipping insertion in model container [2022-11-20 21:21:35,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:21:35" (3/3) ... [2022-11-20 21:21:35,511 INFO L112 eAbstractionObserver]: Analyzing ICFG one_time_barrier_3t.i [2022-11-20 21:21:35,520 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 21:21:35,531 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:21:35,531 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2022-11-20 21:21:35,531 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 21:21:35,754 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-20 21:21:35,815 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 21:21:35,835 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 844 places, 903 transitions, 1814 flow [2022-11-20 21:21:35,838 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 844 places, 903 transitions, 1814 flow [2022-11-20 21:21:35,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 844 places, 903 transitions, 1814 flow [2022-11-20 21:21:36,604 INFO L130 PetriNetUnfolder]: 94/1325 cut-off events. [2022-11-20 21:21:36,605 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 21:21:36,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1331 conditions, 1325 events. 94/1325 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4495 event pairs, 0 based on Foata normal form. 0/1115 useless extension candidates. Maximal degree in co-relation 792. Up to 4 conditions per place. [2022-11-20 21:21:36,748 INFO L119 LiptonReduction]: Number of co-enabled transitions 312440 [2022-11-20 21:22:23,640 WARN L233 SmtUtils]: Spent 7.15s on a formula simplification. DAG size of input: 120 DAG size of output: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:22:34,478 WARN L233 SmtUtils]: Spent 8.98s on a formula simplification. DAG size of input: 129 DAG size of output: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:22:48,756 INFO L134 LiptonReduction]: Checked pairs total: 5636726 [2022-11-20 21:22:48,756 INFO L136 LiptonReduction]: Total number of compositions: 647 [2022-11-20 21:22:48,765 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 437 places, 472 transitions, 952 flow [2022-11-20 21:22:50,054 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 45720 states, 44278 states have (on average 2.223971272415195) internal successors, (98473), 45719 states have internal predecessors, (98473), 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) [2022-11-20 21:22:50,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:22:50,110 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;@1c0933dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:22:50,111 INFO L358 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2022-11-20 21:22:50,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 45720 states, 44278 states have (on average 2.223971272415195) internal successors, (98473), 45719 states have internal predecessors, (98473), 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) [2022-11-20 21:22:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 21:22:50,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:50,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-20 21:22:50,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 21:22:50,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:50,190 INFO L85 PathProgramCache]: Analyzing trace with hash 98148, now seen corresponding path program 1 times [2022-11-20 21:22:50,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:22:50,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382366360] [2022-11-20 21:22:50,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:50,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:22:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:22:50,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:22:50,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382366360] [2022-11-20 21:22:50,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382366360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:22:50,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:22:50,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 21:22:50,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642475786] [2022-11-20 21:22:50,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:22:50,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 21:22:50,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:22:50,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 21:22:50,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 21:22:50,652 INFO L87 Difference]: Start difference. First operand has 45720 states, 44278 states have (on average 2.223971272415195) internal successors, (98473), 45719 states have internal predecessors, (98473), 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) [2022-11-20 21:22:51,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:22:51,672 INFO L93 Difference]: Finished difference Result 45715 states and 94411 transitions. [2022-11-20 21:22:51,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 21:22:51,675 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 [2022-11-20 21:22:51,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:22:52,048 INFO L225 Difference]: With dead ends: 45715 [2022-11-20 21:22:52,049 INFO L226 Difference]: Without dead ends: 45713 [2022-11-20 21:22:52,051 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 [2022-11-20 21:22:52,060 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 21:22:52,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 295 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 21:22:52,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45713 states. [2022-11-20 21:22:54,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45713 to 45713. [2022-11-20 21:22:54,481 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) [2022-11-20 21:22:55,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45713 states to 45713 states and 94408 transitions. [2022-11-20 21:22:55,143 INFO L78 Accepts]: Start accepts. Automaton has 45713 states and 94408 transitions. Word has length 2 [2022-11-20 21:22:55,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:22:55,144 INFO L495 AbstractCegarLoop]: Abstraction has 45713 states and 94408 transitions. [2022-11-20 21:22:55,144 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) [2022-11-20 21:22:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 45713 states and 94408 transitions. [2022-11-20 21:22:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 21:22:55,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:55,145 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-11-20 21:22:55,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:22:55,146 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 21:22:55,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:55,146 INFO L85 PathProgramCache]: Analyzing trace with hash -479155616, now seen corresponding path program 1 times [2022-11-20 21:22:55,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:22:55,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273758548] [2022-11-20 21:22:55,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:55,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:22:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:22:55,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:22:55,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273758548] [2022-11-20 21:22:55,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273758548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:22:55,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:22:55,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:22:55,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686177042] [2022-11-20 21:22:55,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:22:55,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:22:55,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:22:55,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:22:55,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:22:55,381 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) [2022-11-20 21:22:56,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:22:56,334 INFO L93 Difference]: Finished difference Result 45714 states and 94409 transitions. [2022-11-20 21:22:56,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:22:56,337 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 [2022-11-20 21:22:56,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:22:56,744 INFO L225 Difference]: With dead ends: 45714 [2022-11-20 21:22:56,744 INFO L226 Difference]: Without dead ends: 45714 [2022-11-20 21:22:56,744 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 [2022-11-20 21:22:56,745 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 0 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:22:56,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 590 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 21:22:57,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45714 states. [2022-11-20 21:22:58,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45714 to 45714. [2022-11-20 21:22:58,694 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) [2022-11-20 21:22:59,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45714 states to 45714 states and 94409 transitions. [2022-11-20 21:22:59,020 INFO L78 Accepts]: Start accepts. Automaton has 45714 states and 94409 transitions. Word has length 7 [2022-11-20 21:22:59,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:22:59,021 INFO L495 AbstractCegarLoop]: Abstraction has 45714 states and 94409 transitions. [2022-11-20 21:22:59,021 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) [2022-11-20 21:22:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 45714 states and 94409 transitions. [2022-11-20 21:22:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 21:22:59,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:59,022 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-20 21:22:59,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 21:22:59,023 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 21:22:59,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:59,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1178424142, now seen corresponding path program 1 times [2022-11-20 21:22:59,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:22:59,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916689771] [2022-11-20 21:22:59,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:59,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:22:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:59,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:22:59,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:22:59,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916689771] [2022-11-20 21:22:59,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916689771] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:22:59,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521894709] [2022-11-20 21:22:59,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:59,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:22:59,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:22:59,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:22:59,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 21:22:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:59,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 21:22:59,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:22:59,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:22:59,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:22:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 21:22:59,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521894709] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:22:59,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [568455716] [2022-11-20 21:22:59,513 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) [2022-11-20 21:22:59,515 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:22:59,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-20 21:22:59,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320743038] [2022-11-20 21:22:59,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:22:59,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 21:22:59,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:22:59,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 21:22:59,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:22:59,518 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) [2022-11-20 21:23:00,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:23:00,862 INFO L93 Difference]: Finished difference Result 45716 states and 94411 transitions. [2022-11-20 21:23:00,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:23:00,863 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 [2022-11-20 21:23:00,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:23:01,014 INFO L225 Difference]: With dead ends: 45716 [2022-11-20 21:23:01,014 INFO L226 Difference]: Without dead ends: 45716 [2022-11-20 21:23:01,014 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 [2022-11-20 21:23:01,016 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 0 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:23:01,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 885 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 21:23:01,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45716 states. [2022-11-20 21:23:02,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45716 to 45716. [2022-11-20 21:23:02,253 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) [2022-11-20 21:23:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45716 states to 45716 states and 94411 transitions. [2022-11-20 21:23:02,418 INFO L78 Accepts]: Start accepts. Automaton has 45716 states and 94411 transitions. Word has length 8 [2022-11-20 21:23:02,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:23:02,418 INFO L495 AbstractCegarLoop]: Abstraction has 45716 states and 94411 transitions. [2022-11-20 21:23:02,418 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) [2022-11-20 21:23:02,419 INFO L276 IsEmpty]: Start isEmpty. Operand 45716 states and 94411 transitions. [2022-11-20 21:23:02,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 21:23:02,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:23:02,420 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1] [2022-11-20 21:23:02,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 21:23:02,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47449809-f46a-44c2-b3c6-9293282f8f31/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:23:02,626 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 21:23:02,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:23:02,626 INFO L85 PathProgramCache]: Analyzing trace with hash 525069710, now seen corresponding path program 2 times [2022-11-20 21:23:02,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:23:02,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882734607] [2022-11-20 21:23:02,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:23:02,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:23:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:23:02,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 21:23:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:23:02,812 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 21:23:02,813 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 21:23:02,814 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (110 of 111 remaining) [2022-11-20 21:23:02,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (109 of 111 remaining) [2022-11-20 21:23:02,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (108 of 111 remaining) [2022-11-20 21:23:02,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (107 of 111 remaining) [2022-11-20 21:23:02,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (106 of 111 remaining) [2022-11-20 21:23:02,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (105 of 111 remaining) [2022-11-20 21:23:02,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (104 of 111 remaining) [2022-11-20 21:23:02,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (103 of 111 remaining) [2022-11-20 21:23:02,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (102 of 111 remaining) [2022-11-20 21:23:02,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (101 of 111 remaining) [2022-11-20 21:23:02,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (100 of 111 remaining) [2022-11-20 21:23:02,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (99 of 111 remaining) [2022-11-20 21:23:02,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (98 of 111 remaining) [2022-11-20 21:23:02,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (97 of 111 remaining) [2022-11-20 21:23:02,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (96 of 111 remaining) [2022-11-20 21:23:02,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (95 of 111 remaining) [2022-11-20 21:23:02,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (94 of 111 remaining) [2022-11-20 21:23:02,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (93 of 111 remaining) [2022-11-20 21:23:02,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (92 of 111 remaining) [2022-11-20 21:23:02,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (91 of 111 remaining) [2022-11-20 21:23:02,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (90 of 111 remaining) [2022-11-20 21:23:02,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (89 of 111 remaining) [2022-11-20 21:23:02,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (88 of 111 remaining) [2022-11-20 21:23:02,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (87 of 111 remaining) [2022-11-20 21:23:02,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (86 of 111 remaining) [2022-11-20 21:23:02,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (85 of 111 remaining) [2022-11-20 21:23:02,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (84 of 111 remaining) [2022-11-20 21:23:02,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (83 of 111 remaining) [2022-11-20 21:23:02,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (82 of 111 remaining) [2022-11-20 21:23:02,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (81 of 111 remaining) [2022-11-20 21:23:02,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (80 of 111 remaining) [2022-11-20 21:23:02,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (79 of 111 remaining) [2022-11-20 21:23:02,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (78 of 111 remaining) [2022-11-20 21:23:02,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (77 of 111 remaining) [2022-11-20 21:23:02,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (76 of 111 remaining) [2022-11-20 21:23:02,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (75 of 111 remaining) [2022-11-20 21:23:02,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (74 of 111 remaining) [2022-11-20 21:23:02,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (73 of 111 remaining) [2022-11-20 21:23:02,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (72 of 111 remaining) [2022-11-20 21:23:02,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (71 of 111 remaining) [2022-11-20 21:23:02,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (70 of 111 remaining) [2022-11-20 21:23:02,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (69 of 111 remaining) [2022-11-20 21:23:02,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (68 of 111 remaining) [2022-11-20 21:23:02,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (67 of 111 remaining) [2022-11-20 21:23:02,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (66 of 111 remaining) [2022-11-20 21:23:02,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (65 of 111 remaining) [2022-11-20 21:23:02,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (64 of 111 remaining) [2022-11-20 21:23:02,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (63 of 111 remaining) [2022-11-20 21:23:02,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (62 of 111 remaining) [2022-11-20 21:23:02,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (61 of 111 remaining) [2022-11-20 21:23:02,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (60 of 111 remaining) [2022-11-20 21:23:02,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (59 of 111 remaining) [2022-11-20 21:23:02,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (58 of 111 remaining) [2022-11-20 21:23:02,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (57 of 111 remaining) [2022-11-20 21:23:02,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (56 of 111 remaining) [2022-11-20 21:23:02,828 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (55 of 111 remaining) [2022-11-20 21:23:02,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (54 of 111 remaining) [2022-11-20 21:23:02,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (53 of 111 remaining) [2022-11-20 21:23:02,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (52 of 111 remaining) [2022-11-20 21:23:02,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (51 of 111 remaining) [2022-11-20 21:23:02,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (50 of 111 remaining) [2022-11-20 21:23:02,829 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (49 of 111 remaining) [2022-11-20 21:23:02,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (48 of 111 remaining) [2022-11-20 21:23:02,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (47 of 111 remaining) [2022-11-20 21:23:02,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (46 of 111 remaining) [2022-11-20 21:23:02,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (45 of 111 remaining) [2022-11-20 21:23:02,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (44 of 111 remaining) [2022-11-20 21:23:02,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (43 of 111 remaining) [2022-11-20 21:23:02,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (42 of 111 remaining) [2022-11-20 21:23:02,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (41 of 111 remaining) [2022-11-20 21:23:02,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (40 of 111 remaining) [2022-11-20 21:23:02,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (39 of 111 remaining) [2022-11-20 21:23:02,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (38 of 111 remaining) [2022-11-20 21:23:02,831 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (37 of 111 remaining) [2022-11-20 21:23:02,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (36 of 111 remaining) [2022-11-20 21:23:02,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (35 of 111 remaining) [2022-11-20 21:23:02,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (34 of 111 remaining) [2022-11-20 21:23:02,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (33 of 111 remaining) [2022-11-20 21:23:02,832 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (32 of 111 remaining) [2022-11-20 21:23:02,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (31 of 111 remaining) [2022-11-20 21:23:02,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (30 of 111 remaining) [2022-11-20 21:23:02,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (29 of 111 remaining) [2022-11-20 21:23:02,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (28 of 111 remaining) [2022-11-20 21:23:02,833 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (27 of 111 remaining) [2022-11-20 21:23:02,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (26 of 111 remaining) [2022-11-20 21:23:02,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (25 of 111 remaining) [2022-11-20 21:23:02,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (24 of 111 remaining) [2022-11-20 21:23:02,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (23 of 111 remaining) [2022-11-20 21:23:02,834 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (22 of 111 remaining) [2022-11-20 21:23:02,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (21 of 111 remaining) [2022-11-20 21:23:02,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (20 of 111 remaining) [2022-11-20 21:23:02,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (19 of 111 remaining) [2022-11-20 21:23:02,835 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (18 of 111 remaining) [2022-11-20 21:23:02,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (17 of 111 remaining) [2022-11-20 21:23:02,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (16 of 111 remaining) [2022-11-20 21:23:02,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (15 of 111 remaining) [2022-11-20 21:23:02,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (14 of 111 remaining) [2022-11-20 21:23:02,836 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (13 of 111 remaining) [2022-11-20 21:23:02,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (12 of 111 remaining) [2022-11-20 21:23:02,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (11 of 111 remaining) [2022-11-20 21:23:02,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (10 of 111 remaining) [2022-11-20 21:23:02,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (9 of 111 remaining) [2022-11-20 21:23:02,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (8 of 111 remaining) [2022-11-20 21:23:02,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (7 of 111 remaining) [2022-11-20 21:23:02,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (6 of 111 remaining) [2022-11-20 21:23:02,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (5 of 111 remaining) [2022-11-20 21:23:02,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (4 of 111 remaining) [2022-11-20 21:23:02,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (3 of 111 remaining) [2022-11-20 21:23:02,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (2 of 111 remaining) [2022-11-20 21:23:02,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (1 of 111 remaining) [2022-11-20 21:23:02,839 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (0 of 111 remaining) [2022-11-20 21:23:02,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 21:23:02,842 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-11-20 21:23:02,844 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-20 21:23:02,844 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-20 21:23:03,006 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-20 21:23:03,021 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 21:23:03,021 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1186 places, 1270 transitions, 2558 flow [2022-11-20 21:23:03,022 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1186 places, 1270 transitions, 2558 flow [2022-11-20 21:23:03,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1186 places, 1270 transitions, 2558 flow [2022-11-20 21:23:04,806 INFO L130 PetriNetUnfolder]: 159/2173 cut-off events. [2022-11-20 21:23:04,806 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-20 21:23:04,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2187 conditions, 2173 events. 159/2173 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 10162 event pairs, 0 based on Foata normal form. 0/1823 useless extension candidates. Maximal degree in co-relation 1327. Up to 8 conditions per place. [2022-11-20 21:23:05,129 INFO L119 LiptonReduction]: Number of co-enabled transitions 899360 [2022-11-20 21:23:48,609 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 113 DAG size of output: 105 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:23:55,566 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 113 DAG size of output: 105 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:24:11,873 WARN L233 SmtUtils]: Spent 7.56s on a formula simplification. DAG size of input: 120 DAG size of output: 118 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:24:22,775 WARN L233 SmtUtils]: Spent 9.00s on a formula simplification. DAG size of input: 129 DAG size of output: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 21:24:42,646 INFO L134 LiptonReduction]: Checked pairs total: 16539229 [2022-11-20 21:24:42,646 INFO L136 LiptonReduction]: Total number of compositions: 920 [2022-11-20 21:24:42,648 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 644 places, 699 transitions, 1416 flow