./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS --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 43c4691e367ff0d8a9949fa90f15eddbc091ab75ed1546de74dafe83c2376639 --- 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-8393723 [2022-11-19 07:49:23,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:49:23,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:49:23,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:49:23,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:49:23,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:49:23,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:49:23,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:49:23,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:49:23,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:49:23,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:49:23,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:49:23,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:49:23,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:49:23,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:49:23,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:49:23,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:49:23,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:49:23,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:49:23,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:49:23,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:49:23,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:49:23,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:49:23,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:49:23,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:49:23,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:49:23,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:49:23,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:49:23,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:49:23,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:49:23,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:49:23,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:49:23,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:49:23,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:49:23,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:49:23,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:49:23,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:49:23,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:49:23,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:49:23,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:49:23,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:49:23,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 07:49:23,264 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:49:23,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:49:23,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:49:23,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:49:23,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:49:23,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:49:23,267 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:49:23,267 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:49:23,268 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:49:23,268 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:49:23,269 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:49:23,269 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:49:23,270 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:49:23,270 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:49:23,270 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:49:23,270 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:49:23,270 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:49:23,271 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:49:23,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:49:23,272 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:49:23,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:49:23,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:49:23,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:49:23,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:49:23,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:49:23,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:49:23,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:49:23,275 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:49:23,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:49:23,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:49:23,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:49:23,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:49:23,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:49:23,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:49:23,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:49:23,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:49:23,277 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:49:23,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:49:23,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:49:23,278 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:49:23,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:49:23,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:49:23,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:49:23,279 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_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c4691e367ff0d8a9949fa90f15eddbc091ab75ed1546de74dafe83c2376639 [2022-11-19 07:49:23,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:49:23,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:49:23,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:49:23,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:49:23,599 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:49:23,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i [2022-11-19 07:49:23,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/data/f9ece24fb/b3a4dcb6149c40a4bd6291604e85977b/FLAGc4df50deb [2022-11-19 07:49:24,313 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:49:24,314 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i [2022-11-19 07:49:24,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/data/f9ece24fb/b3a4dcb6149c40a4bd6291604e85977b/FLAGc4df50deb [2022-11-19 07:49:24,540 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/data/f9ece24fb/b3a4dcb6149c40a4bd6291604e85977b [2022-11-19 07:49:24,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:49:24,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:49:24,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:49:24,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:49:24,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:49:24,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:24" (1/1) ... [2022-11-19 07:49:24,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0733bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:24, skipping insertion in model container [2022-11-19 07:49:24,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:24" (1/1) ... [2022-11-19 07:49:24,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:49:24,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:49:24,862 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 07:49:25,256 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[47275,47288] [2022-11-19 07:49:25,275 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[47463,47476] [2022-11-19 07:49:25,315 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48230,48243] [2022-11-19 07:49:25,320 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48344,48357] [2022-11-19 07:49:25,341 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48781,48794] [2022-11-19 07:49:25,344 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48837,48850] [2022-11-19 07:49:25,354 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[49349,49362] [2022-11-19 07:49:25,355 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[49408,49421] [2022-11-19 07:49:25,356 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[49487,49500] [2022-11-19 07:49:25,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:49:25,371 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:49:25,401 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 07:49:25,441 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[47275,47288] [2022-11-19 07:49:25,443 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[47463,47476] [2022-11-19 07:49:25,455 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48230,48243] [2022-11-19 07:49:25,456 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48344,48357] [2022-11-19 07:49:25,462 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48781,48794] [2022-11-19 07:49:25,463 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48837,48850] [2022-11-19 07:49:25,469 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[49349,49362] [2022-11-19 07:49:25,470 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[49408,49421] [2022-11-19 07:49:25,475 WARN L234 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_fcfc5047-af07-4d82-9b30-591d8284ae59/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[49487,49500] [2022-11-19 07:49:25,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:49:25,543 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:49:25,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25 WrapperNode [2022-11-19 07:49:25,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:49:25,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:49:25,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:49:25,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:49:25,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2022-11-19 07:49:25,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2022-11-19 07:49:25,714 INFO L138 Inliner]: procedures = 278, calls = 101, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 924 [2022-11-19 07:49:25,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:49:25,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:49:25,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:49:25,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:49:25,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2022-11-19 07:49:25,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2022-11-19 07:49:25,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2022-11-19 07:49:25,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2022-11-19 07:49:25,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2022-11-19 07:49:25,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2022-11-19 07:49:25,848 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2022-11-19 07:49:25,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2022-11-19 07:49:25,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:49:25,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:49:25,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:49:25,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:49:25,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (1/1) ... [2022-11-19 07:49:25,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:49:25,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:49:25,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:49:25,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcfc5047-af07-4d82-9b30-591d8284ae59/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:49:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-11-19 07:49:25,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-11-19 07:49:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:49:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:49:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:49:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:49:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:49:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:49:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:49:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:49:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:49:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:49:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:49:25,970 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:49:26,204 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:49:26,206 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:49:27,759 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:49:27,773 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:49:27,773 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-19 07:49:27,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:27 BoogieIcfgContainer [2022-11-19 07:49:27,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:49:27,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:49:27,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:49:27,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:49:27,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:24" (1/3) ... [2022-11-19 07:49:27,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fbf155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:27, skipping insertion in model container [2022-11-19 07:49:27,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:25" (2/3) ... [2022-11-19 07:49:27,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fbf155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:27, skipping insertion in model container [2022-11-19 07:49:27,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:27" (3/3) ... [2022-11-19 07:49:27,786 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.i [2022-11-19 07:49:27,794 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:49:27,805 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:49:27,806 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 97 error locations. [2022-11-19 07:49:27,806 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:49:28,023 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-19 07:49:28,091 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:49:28,108 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1072 places, 1100 transitions, 2208 flow [2022-11-19 07:49:28,113 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1072 places, 1100 transitions, 2208 flow [2022-11-19 07:49:28,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1072 places, 1100 transitions, 2208 flow [2022-11-19 07:49:28,660 INFO L130 PetriNetUnfolder]: 32/1099 cut-off events. [2022-11-19 07:49:28,661 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-19 07:49:28,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 1099 events. 32/1099 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 3103 event pairs, 0 based on Foata normal form. 0/970 useless extension candidates. Maximal degree in co-relation 792. Up to 3 conditions per place. [2022-11-19 07:49:28,825 INFO L119 LiptonReduction]: Number of co-enabled transitions 209664 [2022-11-19 07:51:29,373 WARN L233 SmtUtils]: Spent 7.33s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:51:34,655 WARN L233 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:51:42,255 WARN L233 SmtUtils]: Spent 7.60s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:51:47,999 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:52:18,204 WARN L233 SmtUtils]: Spent 15.90s on a formula simplification. DAG size of input: 141 DAG size of output: 138 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:52:26,218 WARN L233 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 136 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:52:44,754 WARN L233 SmtUtils]: Spent 18.53s on a formula simplification. DAG size of input: 141 DAG size of output: 139 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:52:50,274 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 137 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:52:59,131 WARN L233 SmtUtils]: Spent 8.83s on a formula simplification. DAG size of input: 116 DAG size of output: 110 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:53:12,438 WARN L233 SmtUtils]: Spent 8.82s on a formula simplification. DAG size of input: 119 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:54:02,061 WARN L233 SmtUtils]: Spent 44.77s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:54:41,844 WARN L233 SmtUtils]: Spent 39.78s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:55:49,196 WARN L233 SmtUtils]: Spent 1.12m on a formula simplification that was a NOOP. DAG size: 196 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:56:30,752 WARN L233 SmtUtils]: Spent 41.56s on a formula simplification that was a NOOP. DAG size: 186 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:57:35,745 WARN L233 SmtUtils]: Spent 1.08m on a formula simplification that was a NOOP. DAG size: 298 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:59:10,308 WARN L233 SmtUtils]: Spent 1.58m on a formula simplification that was a NOOP. DAG size: 282 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:01:33,047 WARN L233 SmtUtils]: Spent 2.38m on a formula simplification that was a NOOP. DAG size: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:03:16,618 WARN L233 SmtUtils]: Spent 1.73m on a formula simplification that was a NOOP. DAG size: 283 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)