./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.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_a92608b3-8f8d-42f5-87a2-04d322c7703f/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92608b3-8f8d-42f5-87a2-04d322c7703f/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_a92608b3-8f8d-42f5-87a2-04d322c7703f/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92608b3-8f8d-42f5-87a2-04d322c7703f/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92608b3-8f8d-42f5-87a2-04d322c7703f/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_a92608b3-8f8d-42f5-87a2-04d322c7703f/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 fdecd751bbf3d5ef761eacebee2616261a6cad4ae3645147e0ad096bd1775198 --- 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 17:59:01,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:59:01,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:59:01,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:59:01,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:59:01,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:59:01,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:59:01,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:59:01,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:59:01,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:59:01,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:59:01,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:59:01,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:59:01,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:59:01,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:59:01,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:59:01,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:59:01,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:59:01,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:59:01,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:59:01,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:59:01,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:59:01,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:59:01,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:59:01,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:59:01,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:59:01,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:59:01,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:59:01,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:59:01,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:59:01,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:59:01,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:59:01,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:59:01,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:59:01,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:59:01,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:59:01,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:59:01,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:59:01,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:59:01,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:59:01,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:59:01,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92608b3-8f8d-42f5-87a2-04d322c7703f/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 17:59:01,850 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:59:01,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:59:01,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:59:01,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:59:01,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:59:01,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:59:01,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:59:01,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:59:01,853 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:59:01,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:59:01,854 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:59:01,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:59:01,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:59:01,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:59:01,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:59:01,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:59:01,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:59:01,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:59:01,856 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 17:59:01,856 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:59:01,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:59:01,856 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:59:01,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:59:01,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:59:01,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:59:01,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:59:01,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:59:01,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:59:01,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:59:01,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:59:01,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:59:01,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:59:01,859 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:59:01,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:59:01,860 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:59:01,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:59:01,860 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_a92608b3-8f8d-42f5-87a2-04d322c7703f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92608b3-8f8d-42f5-87a2-04d322c7703f/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdecd751bbf3d5ef761eacebee2616261a6cad4ae3645147e0ad096bd1775198 [2022-11-25 17:59:02,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:59:02,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:59:02,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:59:02,170 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:59:02,170 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:59:02,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92608b3-8f8d-42f5-87a2-04d322c7703f/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-wmm/safe022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-11-25 17:59:05,186 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:59:05,428 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:59:05,429 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92608b3-8f8d-42f5-87a2-04d322c7703f/sv-benchmarks/c/pthread-wmm/safe022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-11-25 17:59:05,464 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92608b3-8f8d-42f5-87a2-04d322c7703f/bin/uautomizer-ZsLfNo2U6R/data/db8bb2695/eecfa3d694814f049171f778545dbc9c/FLAGc6d585d0c [2022-11-25 17:59:05,482 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92608b3-8f8d-42f5-87a2-04d322c7703f/bin/uautomizer-ZsLfNo2U6R/data/db8bb2695/eecfa3d694814f049171f778545dbc9c [2022-11-25 17:59:05,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:59:05,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:59:05,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:59:05,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:59:05,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:59:05,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:59:05" (1/1) ... [2022-11-25 17:59:05,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0a244d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:05, skipping insertion in model container [2022-11-25 17:59:05,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:59:05" (1/1) ... [2022-11-25 17:59:05,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:59:05,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:59:05,739 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_a92608b3-8f8d-42f5-87a2-04d322c7703f/sv-benchmarks/c/pthread-wmm/safe022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2022-11-25 17:59:05,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:05,970 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:05,970 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:05,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:05,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:05,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:05,986 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:05,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:05,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:05,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:05,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,062 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:59:06,089 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:59:06,102 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_a92608b3-8f8d-42f5-87a2-04d322c7703f/sv-benchmarks/c/pthread-wmm/safe022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2022-11-25 17:59:06,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,194 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,196 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,199 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:59:06,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:59:06,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:59:06,249 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:59:06,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06 WrapperNode [2022-11-25 17:59:06,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:59:06,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:59:06,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:59:06,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:59:06,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06" (1/1) ... [2022-11-25 17:59:06,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06" (1/1) ... [2022-11-25 17:59:06,341 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 455 [2022-11-25 17:59:06,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:59:06,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:59:06,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:59:06,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:59:06,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06" (1/1) ... [2022-11-25 17:59:06,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06" (1/1) ... [2022-11-25 17:59:06,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06" (1/1) ... [2022-11-25 17:59:06,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06" (1/1) ... [2022-11-25 17:59:06,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06" (1/1) ... [2022-11-25 17:59:06,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06" (1/1) ... [2022-11-25 17:59:06,409 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06" (1/1) ... [2022-11-25 17:59:06,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06" (1/1) ... [2022-11-25 17:59:06,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:59:06,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:59:06,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:59:06,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:59:06,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06" (1/1) ... [2022-11-25 17:59:06,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:59:06,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92608b3-8f8d-42f5-87a2-04d322c7703f/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:59:06,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92608b3-8f8d-42f5-87a2-04d322c7703f/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:59:06,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92608b3-8f8d-42f5-87a2-04d322c7703f/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:59:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:59:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 17:59:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:59:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:59:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:59:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 17:59:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 17:59:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 17:59:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 17:59:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:59:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 17:59:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:59:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:59:06,546 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 17:59:06,778 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:59:06,780 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:59:08,286 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:59:52,275 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:59:52,276 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:59:52,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:59:52 BoogieIcfgContainer [2022-11-25 17:59:52,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:59:52,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:59:52,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:59:52,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:59:52,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:59:05" (1/3) ... [2022-11-25 17:59:52,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4061ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:59:52, skipping insertion in model container [2022-11-25 17:59:52,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:59:06" (2/3) ... [2022-11-25 17:59:52,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4061ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:59:52, skipping insertion in model container [2022-11-25 17:59:52,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:59:52" (3/3) ... [2022-11-25 17:59:52,288 INFO L112 eAbstractionObserver]: Analyzing ICFG safe022_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-11-25 17:59:52,298 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 17:59:52,308 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:59:52,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 209 error locations. [2022-11-25 17:59:52,308 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:59:58,032 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 17:59:58,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 311 places, 306 transitions, 622 flow [2022-11-25 18:00:02,519 INFO L130 PetriNetUnfolder]: 2/304 cut-off events. [2022-11-25 18:00:02,519 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:00:02,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 304 events. 2/304 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1690 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 266. Up to 2 conditions per place. [2022-11-25 18:00:02,532 INFO L82 GeneralOperation]: Start removeDead. Operand has 311 places, 306 transitions, 622 flow [2022-11-25 18:00:02,557 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 309 places, 304 transitions, 614 flow [2022-11-25 18:00:02,560 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 18:00:02,575 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 304 transitions, 614 flow [2022-11-25 18:00:02,578 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 304 transitions, 614 flow [2022-11-25 18:00:02,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 309 places, 304 transitions, 614 flow [2022-11-25 18:00:06,462 INFO L130 PetriNetUnfolder]: 2/304 cut-off events. [2022-11-25 18:00:06,462 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:00:06,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 304 events. 2/304 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1698 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 266. Up to 2 conditions per place. [2022-11-25 18:00:06,480 INFO L119 LiptonReduction]: Number of co-enabled transitions 40996