./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- 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 [2022-12-14 08:07:53,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:07:53,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:07:53,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:07:53,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:07:53,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:07:53,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:07:53,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:07:53,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:07:53,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:07:53,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:07:53,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:07:53,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:07:53,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:07:53,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:07:53,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:07:53,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:07:53,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:07:53,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:07:53,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:07:53,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:07:53,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:07:53,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:07:53,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:07:53,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:07:53,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:07:53,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:07:53,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:07:53,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:07:53,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:07:53,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:07:53,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:07:53,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:07:53,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:07:53,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:07:53,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:07:53,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:07:53,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:07:53,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:07:53,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:07:53,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:07:53,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 08:07:53,497 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:07:53,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:07:53,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:07:53,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:07:53,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:07:53,498 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:07:53,498 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:07:53,498 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:07:53,498 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:07:53,498 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:07:53,499 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:07:53,499 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:07:53,499 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:07:53,499 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:07:53,499 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:07:53,499 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:07:53,499 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:07:53,499 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:07:53,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:07:53,500 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:07:53,500 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:07:53,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:07:53,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:07:53,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:07:53,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:07:53,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:07:53,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:07:53,501 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 08:07:53,501 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:07:53,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:07:53,501 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:07:53,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:07:53,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:07:53,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:07:53,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:07:53,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:07:53,502 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:07:53,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:07:53,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:07:53,502 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:07:53,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:07:53,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:07:53,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:07:53,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-12-14 08:07:53,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:07:53,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:07:53,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:07:53,699 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:07:53,700 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:07:53,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 08:07:56,267 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:07:56,466 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:07:56,467 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 08:07:56,483 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/data/4cda866dd/5d4ee939f9de4412a44bb78b3aac51da/FLAG64bef04da [2022-12-14 08:07:56,496 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/data/4cda866dd/5d4ee939f9de4412a44bb78b3aac51da [2022-12-14 08:07:56,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:07:56,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:07:56,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:07:56,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:07:56,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:07:56,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695857c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56, skipping insertion in model container [2022-12-14 08:07:56,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:07:56,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:07:56,694 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:07:56,818 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:07:56,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:07:56,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:07:56,826 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_847b52ed-411e-40aa-b4e1-bb626d60e40c/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 08:07:56,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:07:56,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:07:56,838 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:07:56,853 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:07:56,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:07:56,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:07:56,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:07:56,881 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_847b52ed-411e-40aa-b4e1-bb626d60e40c/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 08:07:56,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:07:56,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:07:56,911 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:07:56,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56 WrapperNode [2022-12-14 08:07:56,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:07:56,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:07:56,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:07:56,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:07:56,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,955 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2022-12-14 08:07:56,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:07:56,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:07:56,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:07:56,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:07:56,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:07:56,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:07:56,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:07:56,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:07:56,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:07:56" (1/1) ... [2022-12-14 08:07:56,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:07:57,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:07:57,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:07:57,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:07:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:07:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 08:07:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 08:07:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:07:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 08:07:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:07:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:07:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:07:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:07:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 08:07:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:07:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:07:57,053 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 08:07:57,141 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:07:57,143 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:07:57,373 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:07:57,529 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:07:57,529 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 08:07:57,530 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2022-12-14 08:07:57,531 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 08:07:57,535 INFO L158 Benchmark]: Toolchain (without parser) took 1033.97ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 90.1MB in the beginning and 111.1MB in the end (delta: -21.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-12-14 08:07:57,535 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:07:57,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.91ms. Allocated memory is still 127.9MB. Free memory was 89.9MB in the beginning and 69.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 08:07:57,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.58ms. Allocated memory is still 127.9MB. Free memory was 69.5MB in the beginning and 66.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:07:57,537 INFO L158 Benchmark]: Boogie Preprocessor took 30.49ms. Allocated memory is still 127.9MB. Free memory was 66.9MB in the beginning and 64.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:07:57,537 INFO L158 Benchmark]: RCFGBuilder took 546.01ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 64.8MB in the beginning and 111.1MB in the end (delta: -46.2MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-12-14 08:07:57,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.91ms. Allocated memory is still 127.9MB. Free memory was 89.9MB in the beginning and 69.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.58ms. Allocated memory is still 127.9MB. Free memory was 69.5MB in the beginning and 66.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.49ms. Allocated memory is still 127.9MB. Free memory was 66.9MB in the beginning and 64.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.01ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 64.8MB in the beginning and 111.1MB in the end (delta: -46.2MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 08:07:57,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- 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 [2022-12-14 08:07:59,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:07:59,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:07:59,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:07:59,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:07:59,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:07:59,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:07:59,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:07:59,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:07:59,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:07:59,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:07:59,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:07:59,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:07:59,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:07:59,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:07:59,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:07:59,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:07:59,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:07:59,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:07:59,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:07:59,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:07:59,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:07:59,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:07:59,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:07:59,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:07:59,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:07:59,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:07:59,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:07:59,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:07:59,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:07:59,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:07:59,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:07:59,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:07:59,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:07:59,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:07:59,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:07:59,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:07:59,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:07:59,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:07:59,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:07:59,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:07:59,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-12-14 08:07:59,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:07:59,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:07:59,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:07:59,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:07:59,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:07:59,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:07:59,208 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:07:59,209 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:07:59,209 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:07:59,209 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:07:59,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:07:59,209 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:07:59,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:07:59,210 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:07:59,210 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:07:59,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:07:59,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:07:59,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:07:59,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:07:59,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:07:59,210 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 08:07:59,211 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:07:59,211 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:07:59,211 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:07:59,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:07:59,211 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:07:59,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:07:59,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:07:59,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:07:59,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:07:59,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:07:59,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:07:59,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:07:59,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:07:59,212 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:07:59,212 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:07:59,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:07:59,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:07:59,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:07:59,213 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-12-14 08:07:59,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:07:59,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:07:59,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:07:59,440 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:07:59,441 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:07:59,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 08:08:02,010 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:08:02,186 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:08:02,186 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 08:08:02,196 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/data/77e285904/335958f01c8c43f5893134c922fa43a6/FLAG1c462545c [2022-12-14 08:08:02,216 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/data/77e285904/335958f01c8c43f5893134c922fa43a6 [2022-12-14 08:08:02,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:08:02,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:08:02,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:08:02,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:08:02,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:08:02,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbb5f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02, skipping insertion in model container [2022-12-14 08:08:02,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:08:02,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:08:02,400 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:08:02,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:08:02,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:08:02,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:08:02,537 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_847b52ed-411e-40aa-b4e1-bb626d60e40c/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 08:08:02,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:08:02,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:08:02,553 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:08:02,568 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:08:02,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:08:02,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:08:02,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:08:02,596 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_847b52ed-411e-40aa-b4e1-bb626d60e40c/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 08:08:02,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:08:02,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:08:02,635 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:08:02,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02 WrapperNode [2022-12-14 08:08:02,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:08:02,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:08:02,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:08:02,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:08:02,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,675 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2022-12-14 08:08:02,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:08:02,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:08:02,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:08:02,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:08:02,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,697 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:08:02,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:08:02,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:08:02,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:08:02,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:02" (1/1) ... [2022-12-14 08:08:02,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:08:02,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:08:02,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:08:02,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:08:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 08:08:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 08:08:02,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 08:08:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 08:08:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:08:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:08:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:08:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 08:08:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 08:08:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 08:08:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 08:08:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:08:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:08:02,765 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 08:08:02,865 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:08:02,866 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:08:03,137 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:08:03,300 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:08:03,300 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 08:08:03,301 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2022-12-14 08:08:03,301 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 08:08:03,305 INFO L158 Benchmark]: Toolchain (without parser) took 1084.53ms. Allocated memory is still 86.0MB. Free memory was 67.2MB in the beginning and 46.8MB in the end (delta: 20.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-12-14 08:08:03,305 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:08:03,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.90ms. Allocated memory is still 86.0MB. Free memory was 66.9MB in the beginning and 45.4MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 08:08:03,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.43ms. Allocated memory is still 86.0MB. Free memory was 45.4MB in the beginning and 42.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:08:03,307 INFO L158 Benchmark]: Boogie Preprocessor took 25.11ms. Allocated memory is still 86.0MB. Free memory was 42.8MB in the beginning and 40.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 08:08:03,307 INFO L158 Benchmark]: RCFGBuilder took 602.42ms. Allocated memory is still 86.0MB. Free memory was 40.4MB in the beginning and 46.8MB in the end (delta: -6.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-12-14 08:08:03,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.90ms. Allocated memory is still 86.0MB. Free memory was 66.9MB in the beginning and 45.4MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.43ms. Allocated memory is still 86.0MB. Free memory was 45.4MB in the beginning and 42.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.11ms. Allocated memory is still 86.0MB. Free memory was 42.8MB in the beginning and 40.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 602.42ms. Allocated memory is still 86.0MB. Free memory was 40.4MB in the beginning and 46.8MB in the end (delta: -6.4MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 08:08:03,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_847b52ed-411e-40aa-b4e1-bb626d60e40c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?