./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 02:41:44,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:41:44,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:41:44,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:41:44,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:41:44,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:41:44,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:41:44,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:41:44,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:41:44,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:41:44,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:41:44,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:41:44,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:41:44,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:41:44,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:41:44,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:41:44,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:41:44,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:41:44,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:41:44,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:41:44,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:41:44,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:41:44,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:41:44,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:41:44,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:41:44,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:41:44,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:41:44,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:41:44,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:41:44,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:41:44,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:41:44,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:41:44,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:41:44,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:41:44,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:41:44,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:41:44,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:41:44,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:41:44,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:41:44,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:41:44,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:41:44,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 02:41:44,315 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:41:44,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:41:44,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:41:44,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:41:44,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:41:44,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:41:44,317 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:41:44,317 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:41:44,317 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:41:44,318 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:41:44,318 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:41:44,318 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:41:44,318 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:41:44,323 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:41:44,323 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:41:44,324 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:41:44,324 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:41:44,324 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:41:44,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:41:44,325 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:41:44,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:41:44,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:41:44,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:41:44,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:41:44,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:41:44,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:41:44,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:41:44,328 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:41:44,328 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:41:44,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:41:44,329 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:41:44,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:41:44,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:41:44,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:41:44,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:41:44,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:41:44,332 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:41:44,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:41:44,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:41:44,334 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:41:44,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:41:44,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:41:44,334 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:41:44,334 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_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-11-22 02:41:44,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:41:44,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:41:44,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:41:44,727 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:41:44,728 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:41:44,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-22 02:41:47,857 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:41:48,119 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:41:48,120 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-22 02:41:48,132 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/data/c4a0d02a9/ee692e80ac7344ab8d019eb2f0fbd25a/FLAG5e529f446 [2022-11-22 02:41:48,147 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/data/c4a0d02a9/ee692e80ac7344ab8d019eb2f0fbd25a [2022-11-22 02:41:48,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:41:48,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:41:48,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:41:48,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:41:48,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:41:48,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a8b050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48, skipping insertion in model container [2022-11-22 02:41:48,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:41:48,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:41:48,443 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 02:41:48,608 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_d5314870-f59a-40f7-9bf7-c60ebb293e80/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-22 02:41:48,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:41:48,628 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:41:48,660 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 02:41:48,692 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_d5314870-f59a-40f7-9bf7-c60ebb293e80/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-22 02:41:48,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:41:48,741 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:41:48,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48 WrapperNode [2022-11-22 02:41:48,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:41:48,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:41:48,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:41:48,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:41:48,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,782 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-11-22 02:41:48,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:41:48,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:41:48,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:41:48,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:41:48,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:41:48,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:41:48,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:41:48,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:41:48,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:48" (1/1) ... [2022-11-22 02:41:48,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:41:48,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:41:48,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:41:48,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:41:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:41:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-22 02:41:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-22 02:41:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:41:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-22 02:41:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:41:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:41:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:41:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:41:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-22 02:41:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:41:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:41:48,893 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 02:41:49,108 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:41:49,111 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:41:49,342 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:41:49,424 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:41:49,424 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 02:41:49,425 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-11-22 02:41:49,426 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) [2022-11-22 02:41:49,430 INFO L158 Benchmark]: Toolchain (without parser) took 1278.94ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 97.1MB in the end (delta: 22.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-11-22 02:41:49,431 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:41:49,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.86ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 118.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 02:41:49,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.67ms. Allocated memory is still 159.4MB. Free memory was 118.1MB in the beginning and 116.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:41:49,433 INFO L158 Benchmark]: Boogie Preprocessor took 24.68ms. Allocated memory is still 159.4MB. Free memory was 116.5MB in the beginning and 115.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:41:49,433 INFO L158 Benchmark]: RCFGBuilder took 620.54ms. Allocated memory is still 159.4MB. Free memory was 115.0MB in the beginning and 97.1MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 02:41:49,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.86ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 118.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.67ms. Allocated memory is still 159.4MB. Free memory was 118.1MB in the beginning and 116.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.68ms. Allocated memory is still 159.4MB. Free memory was 116.5MB in the beginning and 115.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 620.54ms. Allocated memory is still 159.4MB. Free memory was 115.0MB in the beginning and 97.1MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. 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. [2022-11-22 02:41:49,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 02:41:52,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:41:52,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:41:52,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:41:52,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:41:52,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:41:52,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:41:52,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:41:52,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:41:52,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:41:52,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:41:52,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:41:52,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:41:52,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:41:52,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:41:52,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:41:52,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:41:52,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:41:52,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:41:52,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:41:52,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:41:52,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:41:52,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:41:52,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:41:52,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:41:52,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:41:52,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:41:52,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:41:52,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:41:52,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:41:52,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:41:52,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:41:52,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:41:52,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:41:52,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:41:52,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:41:52,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:41:52,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:41:52,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:41:52,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:41:52,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:41:52,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-11-22 02:41:52,255 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:41:52,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:41:52,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:41:52,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:41:52,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:41:52,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:41:52,259 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:41:52,259 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:41:52,259 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:41:52,260 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:41:52,261 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:41:52,261 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:41:52,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:41:52,262 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:41:52,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:41:52,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:41:52,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:41:52,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:41:52,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:41:52,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:41:52,264 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:41:52,264 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:41:52,265 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:41:52,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:41:52,265 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:41:52,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:41:52,266 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:41:52,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:41:52,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:41:52,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:41:52,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:41:52,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:41:52,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:41:52,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:41:52,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:41:52,268 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:41:52,268 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:41:52,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:41:52,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:41:52,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:41:52,269 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_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-11-22 02:41:52,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:41:52,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:41:52,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:41:52,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:41:52,702 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:41:52,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-22 02:41:55,825 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:41:56,080 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:41:56,081 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-22 02:41:56,093 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/data/3e53b2c71/1144ef03a52e495083d9b89904d5ac88/FLAG6b71ad9fa [2022-11-22 02:41:56,111 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/data/3e53b2c71/1144ef03a52e495083d9b89904d5ac88 [2022-11-22 02:41:56,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:41:56,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:41:56,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:41:56,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:41:56,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:41:56,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca6c5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56, skipping insertion in model container [2022-11-22 02:41:56,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:41:56,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:41:56,320 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 02:41:56,458 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_d5314870-f59a-40f7-9bf7-c60ebb293e80/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-22 02:41:56,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:41:56,476 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:41:56,493 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 02:41:56,526 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_d5314870-f59a-40f7-9bf7-c60ebb293e80/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-22 02:41:56,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:41:56,597 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:41:56,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56 WrapperNode [2022-11-22 02:41:56,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:41:56,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:41:56,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:41:56,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:41:56,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,668 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-11-22 02:41:56,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:41:56,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:41:56,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:41:56,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:41:56,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,722 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:41:56,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:41:56,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:41:56,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:41:56,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:56" (1/1) ... [2022-11-22 02:41:56,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:41:56,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:41:56,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:41:56,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:41:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-22 02:41:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-22 02:41:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-22 02:41:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-22 02:41:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:41:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:41:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:41:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-22 02:41:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-22 02:41:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-22 02:41:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-22 02:41:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:41:56,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:41:56,830 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 02:41:57,009 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:41:57,015 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:41:57,249 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:41:57,366 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:41:57,367 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 02:41:57,368 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-11-22 02:41:57,373 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) [2022-11-22 02:41:57,377 INFO L158 Benchmark]: Toolchain (without parser) took 1261.45ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 48.5MB in the beginning and 85.7MB in the end (delta: -37.1MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-11-22 02:41:57,378 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:41:57,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.60ms. Allocated memory is still 73.4MB. Free memory was 48.3MB in the beginning and 49.7MB in the end (delta: -1.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-11-22 02:41:57,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.09ms. Allocated memory is still 73.4MB. Free memory was 49.7MB in the beginning and 47.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:41:57,382 INFO L158 Benchmark]: Boogie Preprocessor took 64.77ms. Allocated memory is still 73.4MB. Free memory was 47.6MB in the beginning and 45.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:41:57,383 INFO L158 Benchmark]: RCFGBuilder took 640.32ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 45.8MB in the beginning and 85.7MB in the end (delta: -39.8MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-11-22 02:41:57,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.60ms. Allocated memory is still 73.4MB. Free memory was 48.3MB in the beginning and 49.7MB in the end (delta: -1.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.09ms. Allocated memory is still 73.4MB. Free memory was 49.7MB in the beginning and 47.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.77ms. Allocated memory is still 73.4MB. Free memory was 47.6MB in the beginning and 45.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 640.32ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 45.8MB in the beginning and 85.7MB in the end (delta: -39.8MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-22 02:41:57,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5314870-f59a-40f7-9bf7-c60ebb293e80/bin/utaipan-g80aRyZoba/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?