./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 2329fc70 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8 --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 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-2329fc7 [2022-12-13 12:53:23,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:53:23,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:53:23,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:53:23,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:53:23,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:53:23,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:53:23,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:53:23,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:53:23,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:53:23,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:53:23,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:53:23,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:53:23,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:53:23,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:53:23,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:53:23,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:53:23,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:53:23,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:53:23,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:53:23,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:53:23,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:53:23,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:53:23,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:53:23,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:53:23,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:53:23,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:53:23,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:53:23,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:53:23,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:53:23,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:53:23,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:53:23,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:53:23,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:53:23,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:53:23,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:53:23,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:53:23,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:53:23,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:53:23,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:53:23,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:53:23,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 12:53:23,896 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:53:23,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:53:23,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:53:23,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:53:23,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:53:23,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:53:23,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:53:23,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:53:23,899 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:53:23,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:53:23,900 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:53:23,900 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:53:23,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:53:23,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:53:23,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:53:23,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:53:23,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:53:23,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:53:23,901 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 12:53:23,901 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:53:23,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:53:23,902 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:53:23,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:53:23,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:53:23,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:53:23,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:53:23,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:53:23,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:53:23,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:53:23,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:53:23,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:53:23,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:53:23,904 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:53:23,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:53:23,904 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:53:23,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:53:23,904 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:53:23,905 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c4691e367ff0d8a9949fa90f15eddbc091ab75ed1546de74dafe83c2376639 [2022-12-13 12:53:24,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:53:24,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:53:24,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:53:24,090 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:53:24,090 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:53:24,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i [2022-12-13 12:53:26,616 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:53:26,859 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:53:26,860 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i [2022-12-13 12:53:26,872 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/data/c5ab95943/78a0b7dcb1ab4867bd555030c2003d10/FLAGf87656db1 [2022-12-13 12:53:27,178 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/data/c5ab95943/78a0b7dcb1ab4867bd555030c2003d10 [2022-12-13 12:53:27,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:53:27,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:53:27,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:53:27,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:53:27,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:53:27,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6772826f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27, skipping insertion in model container [2022-12-13 12:53:27,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:53:27,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:53:27,318 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:53:27,488 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[47275,47288] [2022-12-13 12:53:27,492 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[47463,47476] [2022-12-13 12:53:27,508 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48230,48243] [2022-12-13 12:53:27,510 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48344,48357] [2022-12-13 12:53:27,515 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48781,48794] [2022-12-13 12:53:27,516 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48837,48850] [2022-12-13 12:53:27,523 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[49349,49362] [2022-12-13 12:53:27,523 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[49408,49421] [2022-12-13 12:53:27,524 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[49487,49500] [2022-12-13 12:53:27,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:53:27,530 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:53:27,538 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:53:27,558 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[47275,47288] [2022-12-13 12:53:27,560 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[47463,47476] [2022-12-13 12:53:27,569 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48230,48243] [2022-12-13 12:53:27,570 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48344,48357] [2022-12-13 12:53:27,574 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48781,48794] [2022-12-13 12:53:27,575 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[48837,48850] [2022-12-13 12:53:27,578 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[49349,49362] [2022-12-13 12:53:27,579 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[49408,49421] [2022-12-13 12:53:27,580 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_6b51be26-37dc-4f53-b99f-eb95061cd5ba/sv-benchmarks/c/pthread-divine/divinefifo_1w1r.i[49487,49500] [2022-12-13 12:53:27,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:53:27,611 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:53:27,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27 WrapperNode [2022-12-13 12:53:27,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:53:27,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:53:27,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:53:27,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:53:27,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,680 INFO L138 Inliner]: procedures = 278, calls = 101, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 924 [2022-12-13 12:53:27,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:53:27,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:53:27,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:53:27,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:53:27,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,773 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:53:27,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:53:27,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:53:27,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:53:27,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27" (1/1) ... [2022-12-13 12:53:27,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:53:27,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:53:27,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:53:27,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b51be26-37dc-4f53-b99f-eb95061cd5ba/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:53:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-12-13 12:53:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-12-13 12:53:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:53:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:53:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:53:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:53:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:53:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:53:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:53:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:53:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:53:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:53:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:53:27,875 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 12:53:28,003 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:53:28,004 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:53:28,966 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:53:28,981 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:53:28,981 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 12:53:28,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:53:28 BoogieIcfgContainer [2022-12-13 12:53:28,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:53:28,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:53:28,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:53:28,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:53:28,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:53:27" (1/3) ... [2022-12-13 12:53:28,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a1e86e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:53:28, skipping insertion in model container [2022-12-13 12:53:28,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:53:27" (2/3) ... [2022-12-13 12:53:28,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a1e86e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:53:28, skipping insertion in model container [2022-12-13 12:53:28,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:53:28" (3/3) ... [2022-12-13 12:53:28,991 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.i [2022-12-13 12:53:28,998 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 12:53:29,006 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:53:29,006 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 97 error locations. [2022-12-13 12:53:29,007 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:53:29,120 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 12:53:29,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1072 places, 1100 transitions, 2208 flow [2022-12-13 12:53:29,497 INFO L130 PetriNetUnfolder]: 32/1099 cut-off events. [2022-12-13 12:53:29,497 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 12:53:29,520 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 3109 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. [2022-12-13 12:53:29,520 INFO L82 GeneralOperation]: Start removeDead. Operand has 1072 places, 1100 transitions, 2208 flow [2022-12-13 12:53:29,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1056 places, 1084 transitions, 2174 flow [2022-12-13 12:53:29,537 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:53:29,547 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1056 places, 1084 transitions, 2174 flow [2022-12-13 12:53:29,550 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1056 places, 1084 transitions, 2174 flow [2022-12-13 12:53:29,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1056 places, 1084 transitions, 2174 flow [2022-12-13 12:53:29,854 INFO L130 PetriNetUnfolder]: 32/1084 cut-off events. [2022-12-13 12:53:29,854 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 12:53:29,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1089 conditions, 1084 events. 32/1084 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2997 event pairs, 0 based on Foata normal form. 0/956 useless extension candidates. Maximal degree in co-relation 792. Up to 3 conditions per place. [2022-12-13 12:53:29,914 INFO L119 LiptonReduction]: Number of co-enabled transitions 209664 [2022-12-13 12:54:25,261 WARN L233 SmtUtils]: Spent 14.98s on a formula simplification. DAG size of input: 134 DAG size of output: 128 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:54:30,793 WARN L233 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:54:46,331 WARN L233 SmtUtils]: Spent 15.54s on a formula simplification. DAG size of input: 134 DAG size of output: 128 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:55:19,093 WARN L233 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 191 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:55:28,353 WARN L233 SmtUtils]: Spent 9.26s on a formula simplification that was a NOOP. DAG size: 191 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:55:37,067 WARN L233 SmtUtils]: Spent 8.71s on a formula simplification that was a NOOP. DAG size: 191 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:55:46,050 WARN L233 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 191 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:55:51,194 WARN L233 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 137 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:55:59,916 WARN L233 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 143 DAG size of output: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:56:21,983 WARN L233 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:57:10,001 WARN L233 SmtUtils]: Spent 33.99s on a formula simplification that was a NOOP. DAG size: 204 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:57:29,804 WARN L233 SmtUtils]: Spent 19.80s on a formula simplification that was a NOOP. DAG size: 182 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:58:02,447 WARN L233 SmtUtils]: Spent 32.64s on a formula simplification that was a NOOP. DAG size: 207 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:58:29,776 WARN L233 SmtUtils]: Spent 27.33s 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) [2022-12-13 13:01:38,338 WARN L233 SmtUtils]: Spent 3.11m on a formula simplification. DAG size of input: 347 DAG size of output: 333 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 13:04:01,764 WARN L233 SmtUtils]: Spent 2.39m 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)