./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.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_39de0f5f-bd00-4520-8128-3fb215eb3543/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39de0f5f-bd00-4520-8128-3fb215eb3543/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_39de0f5f-bd00-4520-8128-3fb215eb3543/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39de0f5f-bd00-4520-8128-3fb215eb3543/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39de0f5f-bd00-4520-8128-3fb215eb3543/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_39de0f5f-bd00-4520-8128-3fb215eb3543/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 9df54eb091d78e0f82ec179542e5b1e4fed45243a056538ca557e474796bb018 --- 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 14:37:32,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:37:32,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:37:32,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:37:32,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:37:32,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:37:32,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:37:32,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:37:32,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:37:32,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:37:32,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:37:32,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:37:32,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:37:32,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:37:32,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:37:32,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:37:32,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:37:32,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:37:32,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:37:32,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:37:32,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:37:32,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:37:32,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:37:32,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:37:32,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:37:32,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:37:32,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:37:32,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:37:32,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:37:32,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:37:32,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:37:32,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:37:32,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:37:32,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:37:32,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:37:32,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:37:32,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:37:32,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:37:32,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:37:32,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:37:32,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:37:32,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39de0f5f-bd00-4520-8128-3fb215eb3543/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 14:37:32,605 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:37:32,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:37:32,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:37:32,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:37:32,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:37:32,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:37:32,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:37:32,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:37:32,607 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:37:32,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:37:32,608 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:37:32,608 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:37:32,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:37:32,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:37:32,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:37:32,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:37:32,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:37:32,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:37:32,609 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 14:37:32,610 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:37:32,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:37:32,610 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:37:32,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:37:32,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:37:32,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:37:32,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:37:32,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:37:32,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:37:32,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:37:32,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:37:32,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:37:32,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:37:32,612 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:37:32,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:37:32,613 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:37:32,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:37:32,613 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:37:32,613 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_39de0f5f-bd00-4520-8128-3fb215eb3543/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39de0f5f-bd00-4520-8128-3fb215eb3543/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df54eb091d78e0f82ec179542e5b1e4fed45243a056538ca557e474796bb018 [2022-12-13 14:37:32,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:37:32,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:37:32,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:37:32,830 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:37:32,831 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:37:32,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39de0f5f-bd00-4520-8128-3fb215eb3543/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i [2022-12-13 14:37:35,381 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:37:35,565 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:37:35,566 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39de0f5f-bd00-4520-8128-3fb215eb3543/sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i [2022-12-13 14:37:35,574 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39de0f5f-bd00-4520-8128-3fb215eb3543/bin/uautomizer-uyxdKDjOR8/data/0c8a98c56/ba6a8da90a51439eac91a2493a300314/FLAGad612d0c7 [2022-12-13 14:37:35,978 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39de0f5f-bd00-4520-8128-3fb215eb3543/bin/uautomizer-uyxdKDjOR8/data/0c8a98c56/ba6a8da90a51439eac91a2493a300314 [2022-12-13 14:37:35,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:37:35,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:37:35,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:37:35,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:37:35,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:37:35,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:37:35" (1/1) ... [2022-12-13 14:37:35,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e351e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:35, skipping insertion in model container [2022-12-13 14:37:35,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:37:35" (1/1) ... [2022-12-13 14:37:36,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:37:36,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:37:36,133 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_39de0f5f-bd00-4520-8128-3fb215eb3543/sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i[967,980] [2022-12-13 14:37:36,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,225 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,225 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,231 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,231 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,239 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,260 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:37:36,269 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:37:36,278 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_39de0f5f-bd00-4520-8128-3fb215eb3543/sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i[967,980] [2022-12-13 14:37:36,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,294 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:37:36,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:37:36,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:37:36,342 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:37:36,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36 WrapperNode [2022-12-13 14:37:36,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:37:36,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:37:36,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:37:36,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:37:36,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36" (1/1) ... [2022-12-13 14:37:36,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36" (1/1) ... [2022-12-13 14:37:36,390 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 898 [2022-12-13 14:37:36,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:37:36,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:37:36,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:37:36,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:37:36,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36" (1/1) ... [2022-12-13 14:37:36,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36" (1/1) ... [2022-12-13 14:37:36,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36" (1/1) ... [2022-12-13 14:37:36,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36" (1/1) ... [2022-12-13 14:37:36,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36" (1/1) ... [2022-12-13 14:37:36,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36" (1/1) ... [2022-12-13 14:37:36,418 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36" (1/1) ... [2022-12-13 14:37:36,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36" (1/1) ... [2022-12-13 14:37:36,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:37:36,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:37:36,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:37:36,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:37:36,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36" (1/1) ... [2022-12-13 14:37:36,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:37:36,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39de0f5f-bd00-4520-8128-3fb215eb3543/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:37:36,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39de0f5f-bd00-4520-8128-3fb215eb3543/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:37:36,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39de0f5f-bd00-4520-8128-3fb215eb3543/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:37:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:37:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 14:37:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:37:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:37:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:37:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 14:37:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 14:37:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 14:37:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 14:37:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:37:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 14:37:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:37:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:37:36,484 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 14:37:36,655 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:37:36,656 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:37:37,457 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:40:21,291 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:40:21,291 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:40:21,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:40:21 BoogieIcfgContainer [2022-12-13 14:40:21,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:40:21,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:40:21,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:40:21,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:40:21,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:37:35" (1/3) ... [2022-12-13 14:40:21,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67fa1725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:40:21, skipping insertion in model container [2022-12-13 14:40:21,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:36" (2/3) ... [2022-12-13 14:40:21,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67fa1725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:40:21, skipping insertion in model container [2022-12-13 14:40:21,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:40:21" (3/3) ... [2022-12-13 14:40:21,298 INFO L112 eAbstractionObserver]: Analyzing ICFG safe029_power.opt_pso.opt_rmo.opt.i [2022-12-13 14:40:21,305 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 14:40:21,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:40:21,312 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 207 error locations. [2022-12-13 14:40:21,312 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 14:40:27,207 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 14:40:27,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 307 places, 302 transitions, 614 flow [2022-12-13 14:40:48,474 INFO L130 PetriNetUnfolder]: 2/300 cut-off events. [2022-12-13 14:40:48,474 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 14:40:48,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 300 events. 2/300 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1657 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 264. Up to 2 conditions per place. [2022-12-13 14:40:48,479 INFO L82 GeneralOperation]: Start removeDead. Operand has 307 places, 302 transitions, 614 flow [2022-12-13 14:40:48,486 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 305 places, 300 transitions, 606 flow [2022-12-13 14:40:48,489 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 14:40:48,496 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 305 places, 300 transitions, 606 flow [2022-12-13 14:40:48,498 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 305 places, 300 transitions, 606 flow [2022-12-13 14:40:48,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 305 places, 300 transitions, 606 flow [2022-12-13 14:41:08,411 INFO L130 PetriNetUnfolder]: 2/300 cut-off events. [2022-12-13 14:41:08,411 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 14:41:08,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 300 events. 2/300 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1652 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 264. Up to 2 conditions per place. [2022-12-13 14:41:08,419 INFO L119 LiptonReduction]: Number of co-enabled transitions 34672