./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32482febe38d61a93fd0705f3ad97c9c1ccc991b1238f75e4d1dd99bfb01c35e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:14:47,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:14:47,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:14:47,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:14:47,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:14:47,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:14:47,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:14:47,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:14:47,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:14:47,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:14:47,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:14:47,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:14:47,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:14:47,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:14:47,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:14:47,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:14:47,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:14:47,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:14:47,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:14:47,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:14:47,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:14:47,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:14:47,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:14:47,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:14:47,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:14:47,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:14:47,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:14:47,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:14:47,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:14:47,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:14:47,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:14:47,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:14:47,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:14:47,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:14:47,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:14:47,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:14:47,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:14:47,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:14:47,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:14:47,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:14:47,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:14:47,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 17:14:47,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:14:47,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:14:47,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:14:47,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:14:47,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:14:47,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:14:47,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:14:47,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:14:47,633 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:14:47,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:14:47,634 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:14:47,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:14:47,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:14:47,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:14:47,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:14:47,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:14:47,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:14:47,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:14:47,636 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 17:14:47,636 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:14:47,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:14:47,637 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:14:47,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:14:47,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:14:47,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:14:47,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:14:47,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:14:47,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:14:47,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:14:47,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:14:47,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:14:47,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:14:47,640 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:14:47,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:14:47,641 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:14:47,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:14:47,641 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32482febe38d61a93fd0705f3ad97c9c1ccc991b1238f75e4d1dd99bfb01c35e [2022-11-25 17:14:47,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:14:47,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:14:47,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:14:47,980 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:14:47,980 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:14:47,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2022-11-25 17:14:51,171 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:14:51,475 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:14:51,486 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2022-11-25 17:14:51,508 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/data/222584252/2e3f9f5f73464e298c994c1b46f6e542/FLAG7c8358585 [2022-11-25 17:14:51,527 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/data/222584252/2e3f9f5f73464e298c994c1b46f6e542 [2022-11-25 17:14:51,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:14:51,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:14:51,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:14:51,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:14:51,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:14:51,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:51" (1/1) ... [2022-11-25 17:14:51,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c286bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:51, skipping insertion in model container [2022-11-25 17:14:51,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:51" (1/1) ... [2022-11-25 17:14:51,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:14:51,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:14:51,769 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:14:52,243 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[47275,47288] [2022-11-25 17:14:52,251 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[47463,47476] [2022-11-25 17:14:52,285 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48230,48243] [2022-11-25 17:14:52,287 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48344,48357] [2022-11-25 17:14:52,303 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48816,48829] [2022-11-25 17:14:52,304 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48872,48885] [2022-11-25 17:14:52,317 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49384,49397] [2022-11-25 17:14:52,318 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49443,49456] [2022-11-25 17:14:52,320 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49522,49535] [2022-11-25 17:14:52,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:14:52,335 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:14:52,357 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:14:52,400 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[47275,47288] [2022-11-25 17:14:52,405 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[47463,47476] [2022-11-25 17:14:52,446 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48230,48243] [2022-11-25 17:14:52,455 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48344,48357] [2022-11-25 17:14:52,472 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48816,48829] [2022-11-25 17:14:52,473 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48872,48885] [2022-11-25 17:14:52,482 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49384,49397] [2022-11-25 17:14:52,483 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49443,49456] [2022-11-25 17:14:52,484 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_6eace22b-3d8c-469c-a96e-6f5a4af00a77/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49522,49535] [2022-11-25 17:14:52,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:14:52,562 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:14:52,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52 WrapperNode [2022-11-25 17:14:52,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:14:52,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:14:52,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:14:52,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:14:52,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2022-11-25 17:14:52,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2022-11-25 17:14:52,682 INFO L138 Inliner]: procedures = 278, calls = 103, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 945 [2022-11-25 17:14:52,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:14:52,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:14:52,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:14:52,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:14:52,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2022-11-25 17:14:52,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2022-11-25 17:14:52,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2022-11-25 17:14:52,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2022-11-25 17:14:52,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2022-11-25 17:14:52,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2022-11-25 17:14:52,873 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2022-11-25 17:14:52,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2022-11-25 17:14:52,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:14:52,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:14:52,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:14:52,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:14:52,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (1/1) ... [2022-11-25 17:14:52,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:14:52,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:14:52,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:14:52,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eace22b-3d8c-469c-a96e-6f5a4af00a77/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:14:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-11-25 17:14:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-11-25 17:14:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:14:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:14:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:14:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:14:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:14:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:14:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:14:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:14:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:14:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:14:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:14:52,999 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 17:14:53,269 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:14:53,283 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:14:55,094 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:14:55,112 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:14:55,113 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 17:14:55,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:55 BoogieIcfgContainer [2022-11-25 17:14:55,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:14:55,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:14:55,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:14:55,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:14:55,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:14:51" (1/3) ... [2022-11-25 17:14:55,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f19e80c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:14:55, skipping insertion in model container [2022-11-25 17:14:55,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:52" (2/3) ... [2022-11-25 17:14:55,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f19e80c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:14:55, skipping insertion in model container [2022-11-25 17:14:55,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:55" (3/3) ... [2022-11-25 17:14:55,130 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.i [2022-11-25 17:14:55,139 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 17:14:55,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:14:55,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 99 error locations. [2022-11-25 17:14:55,147 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:14:55,369 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-25 17:14:55,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1095 places, 1124 transitions, 2256 flow [2022-11-25 17:14:56,017 INFO L130 PetriNetUnfolder]: 33/1123 cut-off events. [2022-11-25 17:14:56,017 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-25 17:14:56,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1128 conditions, 1123 events. 33/1123 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 3236 event pairs, 0 based on Foata normal form. 0/991 useless extension candidates. Maximal degree in co-relation 816. Up to 3 conditions per place. [2022-11-25 17:14:56,044 INFO L82 GeneralOperation]: Start removeDead. Operand has 1095 places, 1124 transitions, 2256 flow [2022-11-25 17:14:56,065 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1079 places, 1108 transitions, 2222 flow [2022-11-25 17:14:56,069 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:14:56,101 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1079 places, 1108 transitions, 2222 flow [2022-11-25 17:14:56,103 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1079 places, 1108 transitions, 2222 flow [2022-11-25 17:14:56,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1079 places, 1108 transitions, 2222 flow [2022-11-25 17:14:56,523 INFO L130 PetriNetUnfolder]: 33/1108 cut-off events. [2022-11-25 17:14:56,524 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-25 17:14:56,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1113 conditions, 1108 events. 33/1108 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 3127 event pairs, 0 based on Foata normal form. 0/977 useless extension candidates. Maximal degree in co-relation 816. Up to 3 conditions per place. [2022-11-25 17:14:56,614 INFO L119 LiptonReduction]: Number of co-enabled transitions 217728 [2022-11-25 17:16:20,183 WARN L233 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:16:27,274 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:16:41,005 WARN L233 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 133 DAG size of output: 130 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:16:50,294 WARN L233 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 133 DAG size of output: 130 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:17:11,040 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 116 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:17:20,422 WARN L233 SmtUtils]: Spent 6.71s on a formula simplification. DAG size of input: 119 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:19:03,321 WARN L233 SmtUtils]: Spent 1.12m on a formula simplification that was a NOOP. DAG size: 231 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:20:04,836 WARN L233 SmtUtils]: Spent 1.03m on a formula simplification that was a NOOP. DAG size: 208 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:20:58,600 WARN L233 SmtUtils]: Spent 53.76s on a formula simplification that was a NOOP. DAG size: 234 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:22:13,910 WARN L233 SmtUtils]: Spent 1.26m on a formula simplification that was a NOOP. DAG size: 211 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:22:28,442 WARN L233 SmtUtils]: Spent 14.21s on a formula simplification. DAG size of input: 135 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:22:45,848 WARN L233 SmtUtils]: Spent 13.79s on a formula simplification. DAG size of input: 138 DAG size of output: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:22:50,864 WARN L233 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 112 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:26:05,625 WARN L233 SmtUtils]: Spent 3.24m on a formula simplification. DAG size of input: 344 DAG size of output: 325 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:29:26,640 WARN L233 SmtUtils]: Spent 3.35m on a formula simplification that was a NOOP. DAG size: 311 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)