./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix036.oepc.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_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/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_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix036.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/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_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/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 e3d3e405a2d3cb3ab8b02ed87788ef59412b7b81517118cc37c044f334087868 --- 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 15:40:34,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:40:34,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:40:34,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:40:34,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:40:34,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:40:34,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:40:34,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:40:34,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:40:34,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:40:34,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:40:34,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:40:34,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:40:34,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:40:34,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:40:34,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:40:34,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:40:34,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:40:34,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:40:34,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:40:34,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:40:34,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:40:34,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:40:34,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:40:34,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:40:34,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:40:34,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:40:34,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:40:34,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:40:34,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:40:34,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:40:34,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:40:34,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:40:34,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:40:34,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:40:34,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:40:34,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:40:34,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:40:34,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:40:34,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:40:34,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:40:34,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 15:40:35,035 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:40:35,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:40:35,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:40:35,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:40:35,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:40:35,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:40:35,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:40:35,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:40:35,039 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:40:35,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:40:35,040 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:40:35,040 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:40:35,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:40:35,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:40:35,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:40:35,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:40:35,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:40:35,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:40:35,042 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 15:40:35,042 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:40:35,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:40:35,042 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:40:35,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:40:35,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:40:35,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:40:35,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:40:35,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:40:35,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:40:35,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:40:35,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:40:35,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:40:35,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:40:35,045 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:40:35,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:40:35,045 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:40:35,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:40:35,046 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_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3d3e405a2d3cb3ab8b02ed87788ef59412b7b81517118cc37c044f334087868 [2022-11-25 15:40:35,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:40:35,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:40:35,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:40:35,357 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:40:35,358 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:40:35,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-wmm/mix036.oepc.i [2022-11-25 15:40:38,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:40:38,710 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:40:38,711 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/sv-benchmarks/c/pthread-wmm/mix036.oepc.i [2022-11-25 15:40:38,725 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/bin/uautomizer-ZsLfNo2U6R/data/a1c5d5494/8e8d687a4e904f349cfb533683a311e1/FLAGb21e4513b [2022-11-25 15:40:38,740 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/bin/uautomizer-ZsLfNo2U6R/data/a1c5d5494/8e8d687a4e904f349cfb533683a311e1 [2022-11-25 15:40:38,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:40:38,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:40:38,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:40:38,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:40:38,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:40:38,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:38" (1/1) ... [2022-11-25 15:40:38,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3001b8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:38, skipping insertion in model container [2022-11-25 15:40:38,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:38" (1/1) ... [2022-11-25 15:40:38,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:40:38,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:40:39,058 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_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/sv-benchmarks/c/pthread-wmm/mix036.oepc.i[945,958] [2022-11-25 15:40:39,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,322 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,336 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,350 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,370 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,374 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,374 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,385 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,385 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,390 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,396 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,396 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,418 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,419 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,444 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,444 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,445 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,451 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,453 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,453 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,465 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,467 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:40:39,481 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:40:39,495 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_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/sv-benchmarks/c/pthread-wmm/mix036.oepc.i[945,958] [2022-11-25 15:40:39,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,583 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,590 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,591 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,591 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 15:40:39,595 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 15:40:39,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:40:39,630 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:40:39,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39 WrapperNode [2022-11-25 15:40:39,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:40:39,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:40:39,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:40:39,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:40:39,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39" (1/1) ... [2022-11-25 15:40:39,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39" (1/1) ... [2022-11-25 15:40:39,737 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 521 [2022-11-25 15:40:39,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:40:39,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:40:39,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:40:39,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:40:39,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39" (1/1) ... [2022-11-25 15:40:39,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39" (1/1) ... [2022-11-25 15:40:39,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39" (1/1) ... [2022-11-25 15:40:39,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39" (1/1) ... [2022-11-25 15:40:39,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39" (1/1) ... [2022-11-25 15:40:39,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39" (1/1) ... [2022-11-25 15:40:39,799 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39" (1/1) ... [2022-11-25 15:40:39,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39" (1/1) ... [2022-11-25 15:40:39,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:40:39,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:40:39,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:40:39,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:40:39,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39" (1/1) ... [2022-11-25 15:40:39,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:40:39,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:39,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:39,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa40b6f-4a34-4fce-a6f8-ad27cbf38e77/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:40:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:40:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 15:40:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:40:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:40:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:40:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 15:40:39,935 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 15:40:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 15:40:39,935 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 15:40:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 15:40:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 15:40:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-25 15:40:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-25 15:40:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:40:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 15:40:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:40:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:40:39,939 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 15:40:40,236 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:40:40,242 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:40:41,880 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:41:05,873 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:41:05,874 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:41:05,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:41:05 BoogieIcfgContainer [2022-11-25 15:41:05,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:41:05,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:41:05,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:41:05,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:41:05,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:40:38" (1/3) ... [2022-11-25 15:41:05,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3fb238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:41:05, skipping insertion in model container [2022-11-25 15:41:05,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:39" (2/3) ... [2022-11-25 15:41:05,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3fb238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:41:05, skipping insertion in model container [2022-11-25 15:41:05,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:41:05" (3/3) ... [2022-11-25 15:41:05,886 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036.oepc.i [2022-11-25 15:41:05,896 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 15:41:05,907 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:41:05,907 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 285 error locations. [2022-11-25 15:41:05,907 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 15:41:11,476 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 15:41:11,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 428 transitions, 876 flow [2022-11-25 15:41:13,694 INFO L130 PetriNetUnfolder]: 2/424 cut-off events. [2022-11-25 15:41:13,694 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:41:13,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 424 events. 2/424 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2220 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 380. Up to 2 conditions per place. [2022-11-25 15:41:13,710 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 428 transitions, 876 flow [2022-11-25 15:41:13,734 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 435 places, 424 transitions, 860 flow [2022-11-25 15:41:13,737 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 15:41:13,751 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 424 transitions, 860 flow [2022-11-25 15:41:13,754 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 424 transitions, 860 flow [2022-11-25 15:41:13,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 435 places, 424 transitions, 860 flow [2022-11-25 15:41:15,851 INFO L130 PetriNetUnfolder]: 2/424 cut-off events. [2022-11-25 15:41:15,851 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 15:41:15,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 424 events. 2/424 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2214 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 380. Up to 2 conditions per place. [2022-11-25 15:41:15,889 INFO L119 LiptonReduction]: Number of co-enabled transitions 97064 [2022-11-25 15:41:53,616 WARN L233 SmtUtils]: Spent 9.49s on a formula simplification. DAG size of input: 2300 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:42:03,596 WARN L233 SmtUtils]: Spent 9.92s on a formula simplification. DAG size of input: 2300 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:42:12,302 WARN L233 SmtUtils]: Spent 8.64s on a formula simplification. DAG size of input: 2300 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:42:21,873 WARN L233 SmtUtils]: Spent 9.51s on a formula simplification. DAG size of input: 2347 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:42:31,701 WARN L233 SmtUtils]: Spent 9.77s on a formula simplification. DAG size of input: 2367 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:42:41,327 WARN L233 SmtUtils]: Spent 9.57s on a formula simplification. DAG size of input: 2394 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 15:42:51,756 WARN L233 SmtUtils]: Spent 10.37s on a formula simplification. DAG size of input: 2303 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)