./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 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_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-25 22:18:04,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:18:04,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:18:04,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:18:04,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:18:04,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:18:04,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:18:04,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:18:04,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:18:04,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:18:04,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:18:04,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:18:04,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:18:04,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:18:04,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:18:04,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:18:04,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:18:04,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:18:04,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:18:04,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:18:04,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:18:04,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:18:04,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:18:04,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:18:04,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:18:04,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:18:04,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:18:04,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:18:04,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:18:04,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:18:04,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:18:04,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:18:04,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:18:04,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:18:04,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:18:04,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:18:04,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:18:04,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:18:04,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:18:04,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:18:04,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:18:04,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-25 22:18:04,957 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:18:04,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:18:04,959 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:18:04,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:18:04,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:18:04,971 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:18:04,972 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:18:04,972 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:18:04,972 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:18:04,972 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:18:04,974 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:18:04,974 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:18:04,974 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:18:04,975 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:18:04,975 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:18:04,975 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:18:04,975 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:18:04,976 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:18:04,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:18:04,977 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:18:04,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:18:04,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:18:04,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:18:04,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:18:04,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:18:04,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:18:04,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:18:04,980 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 22:18:04,980 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:18:04,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:18:04,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:18:04,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:18:04,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:18:04,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:18:04,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:18:04,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:18:04,984 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:18:04,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:18:04,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:18:04,985 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:18:04,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:18:04,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:18:04,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:18:04,986 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_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-11-25 22:18:05,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:18:05,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:18:05,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:18:05,416 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:18:05,417 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:18:05,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-25 22:18:08,994 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:18:09,282 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:18:09,283 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-25 22:18:09,300 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/data/5c6fb0d24/eb6fbb6d0dd348b5933b22368fe9068a/FLAGb2a731dad [2022-11-25 22:18:09,328 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/data/5c6fb0d24/eb6fbb6d0dd348b5933b22368fe9068a [2022-11-25 22:18:09,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:18:09,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:18:09,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:18:09,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:18:09,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:18:09,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:18:09" (1/1) ... [2022-11-25 22:18:09,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65702d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:09, skipping insertion in model container [2022-11-25 22:18:09,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:18:09" (1/1) ... [2022-11-25 22:18:09,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:18:09,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:18:09,621 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:18:09,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:18:09,865 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:18:09,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:18:09,873 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_a26d98fa-2637-4c05-809a-ea3ee177d390/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-25 22:18:09,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:18:09,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:18:09,895 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:18:09,918 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:18:09,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:18:09,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:18:09,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:18:09,996 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_a26d98fa-2637-4c05-809a-ea3ee177d390/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-25 22:18:09,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:18:10,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:18:10,053 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:18:10,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:10 WrapperNode [2022-11-25 22:18:10,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:18:10,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:18:10,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:18:10,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:18:10,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:10" (1/1) ... [2022-11-25 22:18:10,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:10" (1/1) ... [2022-11-25 22:18:10,143 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2022-11-25 22:18:10,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:18:10,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:18:10,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:18:10,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:18:10,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:10" (1/1) ... [2022-11-25 22:18:10,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:10" (1/1) ... [2022-11-25 22:18:10,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:10" (1/1) ... [2022-11-25 22:18:10,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:10" (1/1) ... [2022-11-25 22:18:10,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:10" (1/1) ... [2022-11-25 22:18:10,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:10" (1/1) ... [2022-11-25 22:18:10,182 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:10" (1/1) ... [2022-11-25 22:18:10,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:10" (1/1) ... [2022-11-25 22:18:10,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:18:10,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:18:10,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:18:10,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:18:10,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:10" (1/1) ... [2022-11-25 22:18:10,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:18:10,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:18:10,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:18:10,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:18:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:18:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-25 22:18:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-25 22:18:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:18:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 22:18:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:18:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:18:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:18:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:18:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 22:18:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:18:10,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:18:10,295 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 22:18:10,447 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:18:10,450 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:18:10,978 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:18:11,311 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:18:11,311 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 22:18:11,312 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2022-11-25 22:18:11,313 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) [2022-11-25 22:18:11,318 INFO L158 Benchmark]: Toolchain (without parser) took 1980.84ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 88.7MB in the beginning and 135.3MB in the end (delta: -46.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2022-11-25 22:18:11,319 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:18:11,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.02ms. Allocated memory is still 134.2MB. Free memory was 88.4MB in the beginning and 68.0MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 22:18:11,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.97ms. Allocated memory is still 134.2MB. Free memory was 68.0MB in the beginning and 65.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:18:11,321 INFO L158 Benchmark]: Boogie Preprocessor took 42.40ms. Allocated memory is still 134.2MB. Free memory was 65.7MB in the beginning and 63.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:18:11,322 INFO L158 Benchmark]: RCFGBuilder took 1128.57ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 63.6MB in the beginning and 135.3MB in the end (delta: -71.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2022-11-25 22:18:11,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.02ms. Allocated memory is still 134.2MB. Free memory was 88.4MB in the beginning and 68.0MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.97ms. Allocated memory is still 134.2MB. Free memory was 68.0MB in the beginning and 65.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.40ms. Allocated memory is still 134.2MB. Free memory was 65.7MB in the beginning and 63.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1128.57ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 63.6MB in the beginning and 135.3MB in the end (delta: -71.7MB). Peak memory consumption was 32.8MB. 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. [2022-11-25 22:18:11,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-25 22:18:14,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:18:14,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:18:14,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:18:14,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:18:14,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:18:14,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:18:14,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:18:14,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:18:14,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:18:14,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:18:14,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:18:14,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:18:14,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:18:14,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:18:14,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:18:14,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:18:14,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:18:14,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:18:14,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:18:14,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:18:14,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:18:14,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:18:14,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:18:14,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:18:14,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:18:14,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:18:14,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:18:14,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:18:14,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:18:14,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:18:14,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:18:14,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:18:14,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:18:14,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:18:14,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:18:14,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:18:14,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:18:14,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:18:14,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:18:14,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:18:14,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-11-25 22:18:14,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:18:14,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:18:14,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:18:14,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:18:14,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:18:14,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:18:14,636 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:18:14,636 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:18:14,636 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:18:14,637 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:18:14,638 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:18:14,638 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:18:14,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:18:14,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:18:14,640 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:18:14,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:18:14,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:18:14,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:18:14,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:18:14,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:18:14,642 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 22:18:14,643 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:18:14,643 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:18:14,643 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:18:14,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:18:14,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:18:14,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:18:14,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:18:14,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:18:14,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:18:14,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:18:14,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:18:14,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:18:14,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:18:14,647 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:18:14,648 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:18:14,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:18:14,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:18:14,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:18:14,649 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_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-11-25 22:18:15,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:18:15,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:18:15,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:18:15,170 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:18:15,170 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:18:15,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-25 22:18:19,013 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:18:19,412 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:18:19,427 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-25 22:18:19,450 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/data/89667a0e1/25ebc2e9407947ef9683e42a56182e2e/FLAG7c7df7e0a [2022-11-25 22:18:19,477 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/data/89667a0e1/25ebc2e9407947ef9683e42a56182e2e [2022-11-25 22:18:19,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:18:19,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:18:19,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:18:19,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:18:19,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:18:19,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:18:19" (1/1) ... [2022-11-25 22:18:19,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab796ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:19, skipping insertion in model container [2022-11-25 22:18:19,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:18:19" (1/1) ... [2022-11-25 22:18:19,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:18:19,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:18:19,878 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:18:20,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:18:20,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:18:20,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:18:20,093 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_a26d98fa-2637-4c05-809a-ea3ee177d390/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-25 22:18:20,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:18:20,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:18:20,118 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:18:20,152 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:18:20,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:18:20,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:18:20,195 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:18:20,196 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_a26d98fa-2637-4c05-809a-ea3ee177d390/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-25 22:18:20,197 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:18:20,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:18:20,253 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:18:20,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:20 WrapperNode [2022-11-25 22:18:20,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:18:20,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:18:20,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:18:20,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:18:20,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:20" (1/1) ... [2022-11-25 22:18:20,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:20" (1/1) ... [2022-11-25 22:18:20,380 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2022-11-25 22:18:20,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:18:20,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:18:20,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:18:20,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:18:20,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:20" (1/1) ... [2022-11-25 22:18:20,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:20" (1/1) ... [2022-11-25 22:18:20,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:20" (1/1) ... [2022-11-25 22:18:20,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:20" (1/1) ... [2022-11-25 22:18:20,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:20" (1/1) ... [2022-11-25 22:18:20,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:20" (1/1) ... [2022-11-25 22:18:20,437 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:20" (1/1) ... [2022-11-25 22:18:20,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:20" (1/1) ... [2022-11-25 22:18:20,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:18:20,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:18:20,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:18:20,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:18:20,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:20" (1/1) ... [2022-11-25 22:18:20,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:18:20,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:18:20,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:18:20,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:18:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 22:18:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-25 22:18:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-25 22:18:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 22:18:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:18:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:18:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:18:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 22:18:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 22:18:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 22:18:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 22:18:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:18:20,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:18:20,554 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 22:18:20,825 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:18:20,828 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:18:21,310 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:18:21,728 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:18:21,730 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 22:18:21,731 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2022-11-25 22:18:21,732 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) [2022-11-25 22:18:21,741 INFO L158 Benchmark]: Toolchain (without parser) took 2257.80ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 46.6MB in the end (delta: 23.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2022-11-25 22:18:21,742 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:18:21,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 768.92ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 48.1MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 22:18:21,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.27ms. Allocated memory is still 92.3MB. Free memory was 48.1MB in the beginning and 70.6MB in the end (delta: -22.5MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2022-11-25 22:18:21,745 INFO L158 Benchmark]: Boogie Preprocessor took 72.65ms. Allocated memory is still 92.3MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:18:21,746 INFO L158 Benchmark]: RCFGBuilder took 1284.00ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 46.6MB in the end (delta: 21.6MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2022-11-25 22:18:21,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 768.92ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 48.1MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.27ms. Allocated memory is still 92.3MB. Free memory was 48.1MB in the beginning and 70.6MB in the end (delta: -22.5MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.65ms. Allocated memory is still 92.3MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1284.00ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 46.6MB in the end (delta: 21.6MB). Peak memory consumption was 31.9MB. 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. [2022-11-25 22:18:21,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a26d98fa-2637-4c05-809a-ea3ee177d390/bin/utaipan-ByfvJB40ur/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?