./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_ed606037-745c-4ef7-9ca5-90c846456629/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed606037-745c-4ef7-9ca5-90c846456629/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_ed606037-745c-4ef7-9ca5-90c846456629/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed606037-745c-4ef7-9ca5-90c846456629/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed606037-745c-4ef7-9ca5-90c846456629/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_ed606037-745c-4ef7-9ca5-90c846456629/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 3bbcbfea07b4de27a61735028fd08097276598be4815bd7ea5f14ba44ebf2380 --- 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 17:39:36,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:39:36,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:39:36,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:39:36,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:39:36,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:39:36,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:39:36,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:39:36,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:39:36,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:39:36,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:39:36,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:39:36,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:39:36,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:39:36,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:39:36,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:39:36,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:39:36,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:39:36,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:39:36,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:39:36,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:39:36,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:39:36,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:39:36,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:39:36,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:39:36,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:39:36,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:39:36,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:39:36,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:39:36,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:39:36,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:39:36,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:39:36,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:39:36,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:39:36,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:39:36,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:39:36,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:39:36,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:39:36,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:39:36,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:39:36,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:39:36,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed606037-745c-4ef7-9ca5-90c846456629/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 17:39:36,316 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:39:36,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:39:36,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:39:36,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:39:36,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:39:36,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:39:36,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:39:36,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:39:36,320 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:39:36,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:39:36,321 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:39:36,322 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:39:36,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:39:36,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:39:36,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:39:36,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:39:36,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:39:36,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:39:36,323 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 17:39:36,323 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:39:36,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:39:36,324 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:39:36,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:39:36,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:39:36,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:39:36,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:39:36,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:39:36,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:39:36,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:39:36,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:39:36,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:39:36,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:39:36,326 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:39:36,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:39:36,327 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:39:36,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:39:36,327 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_ed606037-745c-4ef7-9ca5-90c846456629/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed606037-745c-4ef7-9ca5-90c846456629/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bbcbfea07b4de27a61735028fd08097276598be4815bd7ea5f14ba44ebf2380 [2022-11-25 17:39:36,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:39:36,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:39:36,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:39:36,675 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:39:36,675 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:39:36,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed606037-745c-4ef7-9ca5-90c846456629/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i [2022-11-25 17:39:39,792 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:39:40,104 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:39:40,104 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed606037-745c-4ef7-9ca5-90c846456629/sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i [2022-11-25 17:39:40,116 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed606037-745c-4ef7-9ca5-90c846456629/bin/uautomizer-ZsLfNo2U6R/data/d87efe831/0607f98e6b6c471fad9c8cda7eb5f351/FLAGf09879583 [2022-11-25 17:39:40,138 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed606037-745c-4ef7-9ca5-90c846456629/bin/uautomizer-ZsLfNo2U6R/data/d87efe831/0607f98e6b6c471fad9c8cda7eb5f351 [2022-11-25 17:39:40,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:39:40,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:39:40,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:39:40,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:39:40,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:39:40,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:40,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53991bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40, skipping insertion in model container [2022-11-25 17:39:40,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:40,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:39:40,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:39:40,437 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_ed606037-745c-4ef7-9ca5-90c846456629/sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i[999,1012] [2022-11-25 17:39:40,591 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,601 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,649 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,649 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,693 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,715 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,717 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:39:40,732 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:39:40,747 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_ed606037-745c-4ef7-9ca5-90c846456629/sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i[999,1012] [2022-11-25 17:39:40,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,801 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,829 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,829 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,833 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,838 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,839 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,839 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,842 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,846 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,855 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,856 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:39:40,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:39:40,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:39:40,914 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:39:40,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40 WrapperNode [2022-11-25 17:39:40,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:39:40,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:39:40,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:39:40,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:39:40,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:40,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:41,030 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 489 [2022-11-25 17:39:41,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:39:41,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:39:41,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:39:41,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:39:41,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:41,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:41,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:41,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:41,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:41,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:41,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:41,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:41,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:39:41,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:39:41,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:39:41,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:39:41,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40" (1/1) ... [2022-11-25 17:39:41,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:39:41,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed606037-745c-4ef7-9ca5-90c846456629/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:39:41,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed606037-745c-4ef7-9ca5-90c846456629/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:39:41,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed606037-745c-4ef7-9ca5-90c846456629/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:39:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:39:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 17:39:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:39:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:39:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:39:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 17:39:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 17:39:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 17:39:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 17:39:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 17:39:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 17:39:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:39:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 17:39:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:39:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:39:41,227 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 17:39:41,408 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:39:41,410 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:39:42,873 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:40:38,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:40:38,919 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:40:38,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:40:38 BoogieIcfgContainer [2022-11-25 17:40:38,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:40:38,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:40:38,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:40:38,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:40:38,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:39:40" (1/3) ... [2022-11-25 17:40:38,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4723581a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:40:38, skipping insertion in model container [2022-11-25 17:40:38,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:39:40" (2/3) ... [2022-11-25 17:40:38,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4723581a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:40:38, skipping insertion in model container [2022-11-25 17:40:38,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:40:38" (3/3) ... [2022-11-25 17:40:38,931 INFO L112 eAbstractionObserver]: Analyzing ICFG mix025_pso.opt_rmo.opt.i [2022-11-25 17:40:38,941 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 17:40:38,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:40:38,953 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 219 error locations. [2022-11-25 17:40:38,953 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:40:47,202 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 17:40:47,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 345 places, 337 transitions, 689 flow [2022-11-25 17:40:50,765 INFO L130 PetriNetUnfolder]: 2/334 cut-off events. [2022-11-25 17:40:50,765 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:40:50,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 334 events. 2/334 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1752 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2022-11-25 17:40:50,777 INFO L82 GeneralOperation]: Start removeDead. Operand has 345 places, 337 transitions, 689 flow [2022-11-25 17:40:50,794 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 342 places, 334 transitions, 677 flow [2022-11-25 17:40:50,798 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:40:50,823 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 334 transitions, 677 flow [2022-11-25 17:40:50,831 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 334 transitions, 677 flow [2022-11-25 17:40:50,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 342 places, 334 transitions, 677 flow [2022-11-25 17:40:53,836 INFO L130 PetriNetUnfolder]: 2/334 cut-off events. [2022-11-25 17:40:53,836 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:40:53,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 334 events. 2/334 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1753 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2022-11-25 17:40:53,863 INFO L119 LiptonReduction]: Number of co-enabled transitions 58658