./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-6b4ec56 [2022-11-20 19:59:53,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:59:53,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:59:53,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:59:53,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:59:53,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:59:53,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:59:53,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:59:53,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:59:53,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:59:53,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:59:53,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:59:53,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:59:53,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:59:53,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:59:53,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:59:53,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:59:53,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:59:53,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:59:53,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:59:53,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:59:53,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:59:53,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:59:53,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:59:53,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:59:53,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:59:53,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:59:53,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:59:53,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:59:53,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:59:53,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:59:53,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:59:53,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:59:53,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:59:53,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:59:53,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:59:53,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:59:53,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:59:53,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:59:53,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:59:53,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:59:54,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-20 19:59:54,032 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:59:54,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:59:54,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:59:54,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:59:54,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:59:54,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:59:54,034 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:59:54,034 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:59:54,035 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:59:54,035 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:59:54,035 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:59:54,035 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:59:54,035 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:59:54,036 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:59:54,036 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:59:54,036 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:59:54,036 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:59:54,036 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:59:54,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:59:54,037 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:59:54,037 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:59:54,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:59:54,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:59:54,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:59:54,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:59:54,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:59:54,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:59:54,039 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 19:59:54,039 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:59:54,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:59:54,039 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:59:54,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:59:54,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:59:54,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:59:54,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:59:54,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:59:54,040 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:59:54,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:59:54,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:59:54,041 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:59:54,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:59:54,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:59:54,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:59:54,042 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_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-11-20 19:59:54,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:59:54,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:59:54,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:59:54,301 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:59:54,302 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:59:54,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-20 19:59:57,417 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:59:57,712 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:59:57,712 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-20 19:59:57,729 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/data/7aaf62083/4767da5d2d2a424fbc258b8df7da4db5/FLAGe310fb89e [2022-11-20 19:59:57,748 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/data/7aaf62083/4767da5d2d2a424fbc258b8df7da4db5 [2022-11-20 19:59:57,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:59:57,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:59:57,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:59:57,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:59:57,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:59:57,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:59:57" (1/1) ... [2022-11-20 19:59:57,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f182e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:57, skipping insertion in model container [2022-11-20 19:59:57,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:59:57" (1/1) ... [2022-11-20 19:59:57,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:59:57,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:59:57,998 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 19:59:58,200 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_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-20 19:59:58,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:59:58,216 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:59:58,248 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 19:59:58,282 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_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-20 19:59:58,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:59:58,334 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:59:58,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:58 WrapperNode [2022-11-20 19:59:58,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:59:58,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:59:58,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:59:58,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:59:58,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:58" (1/1) ... [2022-11-20 19:59:58,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:58" (1/1) ... [2022-11-20 19:59:58,393 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-11-20 19:59:58,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:59:58,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:59:58,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:59:58,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:59:58,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:58" (1/1) ... [2022-11-20 19:59:58,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:58" (1/1) ... [2022-11-20 19:59:58,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:58" (1/1) ... [2022-11-20 19:59:58,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:58" (1/1) ... [2022-11-20 19:59:58,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:58" (1/1) ... [2022-11-20 19:59:58,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:58" (1/1) ... [2022-11-20 19:59:58,450 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:58" (1/1) ... [2022-11-20 19:59:58,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:58" (1/1) ... [2022-11-20 19:59:58,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:59:58,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:59:58,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:59:58,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:59:58,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:58" (1/1) ... [2022-11-20 19:59:58,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:59:58,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:59:58,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:59:58,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:59:58,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 19:59:58,556 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 19:59:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 19:59:58,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 19:59:58,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 19:59:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:59:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:59:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:59:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:59:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 19:59:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:59:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:59:58,559 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 19:59:58,684 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:59:58,687 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:59:58,871 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:59:59,035 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:59:59,035 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 19:59:59,036 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-11-20 19:59:59,037 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) [2022-11-20 19:59:59,056 INFO L158 Benchmark]: Toolchain (without parser) took 1300.41ms. Allocated memory is still 157.3MB. Free memory was 126.0MB in the beginning and 86.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 19:59:59,056 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:59:59,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.11ms. Allocated memory is still 157.3MB. Free memory was 126.0MB in the beginning and 106.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 19:59:59,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.02ms. Allocated memory is still 157.3MB. Free memory was 106.6MB in the beginning and 104.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:59:59,058 INFO L158 Benchmark]: Boogie Preprocessor took 68.17ms. Allocated memory is still 157.3MB. Free memory was 104.9MB in the beginning and 103.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:59:59,059 INFO L158 Benchmark]: RCFGBuilder took 591.29ms. Allocated memory is still 157.3MB. Free memory was 103.5MB in the beginning and 86.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 19:59:59,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.11ms. Allocated memory is still 157.3MB. Free memory was 126.0MB in the beginning and 106.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.02ms. Allocated memory is still 157.3MB. Free memory was 106.6MB in the beginning and 104.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.17ms. Allocated memory is still 157.3MB. Free memory was 104.9MB in the beginning and 103.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.29ms. Allocated memory is still 157.3MB. Free memory was 103.5MB in the beginning and 86.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. 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. [2022-11-20 19:59:59,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/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_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-6b4ec56 [2022-11-20 20:00:01,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:00:01,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:00:01,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:00:01,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:00:01,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:00:01,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:00:01,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:00:01,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:00:01,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:00:01,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:00:01,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:00:01,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:00:01,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:00:01,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:00:01,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:00:01,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:00:01,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:00:01,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:00:01,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:00:01,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:00:01,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:00:01,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:00:01,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:00:01,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:00:01,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:00:01,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:00:01,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:00:01,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:00:01,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:00:01,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:00:01,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:00:01,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:00:01,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:00:01,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:00:01,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:00:01,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:00:01,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:00:01,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:00:01,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:00:01,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:00:01,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-11-20 20:00:01,706 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:00:01,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:00:01,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:00:01,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:00:01,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:00:01,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:00:01,711 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:00:01,711 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:00:01,711 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:00:01,711 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:00:01,713 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:00:01,713 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:00:01,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:00:01,714 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:00:01,714 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:00:01,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:00:01,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:00:01,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:00:01,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:00:01,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:00:01,716 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 20:00:01,716 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 20:00:01,717 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 20:00:01,717 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 20:00:01,717 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:00:01,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:00:01,718 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:00:01,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:00:01,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:00:01,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 20:00:01,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:00:01,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:00:01,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:00:01,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:00:01,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:00:01,720 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 20:00:01,721 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 20:00:01,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:00:01,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:00:01,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 20:00:01,722 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_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-11-20 20:00:02,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:00:02,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:00:02,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:00:02,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:00:02,192 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:00:02,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-20 20:00:05,212 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:00:05,511 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:00:05,512 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-20 20:00:05,525 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/data/d8f7d0582/84a078b8e17a4738af41be3a1485e5e4/FLAG23a8ace27 [2022-11-20 20:00:05,542 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/data/d8f7d0582/84a078b8e17a4738af41be3a1485e5e4 [2022-11-20 20:00:05,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:00:05,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:00:05,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:00:05,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:00:05,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:00:05,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:00:05" (1/1) ... [2022-11-20 20:00:05,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b86707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:05, skipping insertion in model container [2022-11-20 20:00:05,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:00:05" (1/1) ... [2022-11-20 20:00:05,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:00:05,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:00:05,794 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 20:00:06,005 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_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-20 20:00:06,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:00:06,028 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:00:06,057 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 20:00:06,104 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_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-20 20:00:06,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:00:06,184 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:00:06,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:06 WrapperNode [2022-11-20 20:00:06,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:00:06,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:00:06,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:00:06,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:00:06,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:06" (1/1) ... [2022-11-20 20:00:06,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:06" (1/1) ... [2022-11-20 20:00:06,258 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-11-20 20:00:06,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:00:06,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:00:06,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:00:06,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:00:06,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:06" (1/1) ... [2022-11-20 20:00:06,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:06" (1/1) ... [2022-11-20 20:00:06,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:06" (1/1) ... [2022-11-20 20:00:06,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:06" (1/1) ... [2022-11-20 20:00:06,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:06" (1/1) ... [2022-11-20 20:00:06,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:06" (1/1) ... [2022-11-20 20:00:06,292 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:06" (1/1) ... [2022-11-20 20:00:06,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:06" (1/1) ... [2022-11-20 20:00:06,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:00:06,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:00:06,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:00:06,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:00:06,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:06" (1/1) ... [2022-11-20 20:00:06,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:00:06,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:00:06,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:00:06,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:00:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 20:00:06,377 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 20:00:06,378 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 20:00:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 20:00:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:00:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:00:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:00:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 20:00:06,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 20:00:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 20:00:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 20:00:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:00:06,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:00:06,381 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 20:00:06,523 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:00:06,525 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:00:06,760 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:00:06,857 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:00:06,857 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 20:00:06,858 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-11-20 20:00:06,859 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) [2022-11-20 20:00:06,863 INFO L158 Benchmark]: Toolchain (without parser) took 1315.60ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 40.6MB in the end (delta: 23.1MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-11-20 20:00:06,863 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:00:06,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.06ms. Allocated memory is still 86.0MB. Free memory was 63.5MB in the beginning and 63.1MB in the end (delta: 351.6kB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-11-20 20:00:06,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.47ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 60.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:00:06,865 INFO L158 Benchmark]: Boogie Preprocessor took 37.44ms. Allocated memory is still 86.0MB. Free memory was 60.6MB in the beginning and 58.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:00:06,866 INFO L158 Benchmark]: RCFGBuilder took 563.79ms. Allocated memory is still 86.0MB. Free memory was 58.9MB in the beginning and 40.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 20:00:06,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.06ms. Allocated memory is still 86.0MB. Free memory was 63.5MB in the beginning and 63.1MB in the end (delta: 351.6kB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.47ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 60.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.44ms. Allocated memory is still 86.0MB. Free memory was 60.6MB in the beginning and 58.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.79ms. Allocated memory is still 86.0MB. Free memory was 58.9MB in the beginning and 40.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. 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. [2022-11-20 20:00:06,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b1063e-d8b6-4e3b-a818-f8d74a1897b4/bin/utaipan-6cKwYrpEi9/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?