./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 38b53e6a 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_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 00:55:14,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:55:14,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:55:14,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:55:14,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:55:14,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:55:14,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:55:14,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:55:14,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:55:14,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:55:14,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:55:14,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:55:14,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:55:14,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:55:14,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:55:14,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:55:14,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:55:14,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:55:14,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:55:15,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:55:15,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:55:15,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:55:15,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:55:15,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:55:15,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:55:15,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:55:15,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:55:15,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:55:15,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:55:15,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:55:15,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:55:15,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:55:15,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:55:15,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:55:15,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:55:15,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:55:15,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:55:15,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:55:15,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:55:15,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:55:15,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:55:15,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:55:15,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:55:15,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:55:15,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:55:15,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:55:15,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:55:15,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:55:15,059 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:55:15,059 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:55:15,060 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:55:15,060 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:55:15,060 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:55:15,060 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:55:15,060 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:55:15,061 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:55:15,061 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:55:15,061 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:55:15,061 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:55:15,062 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:55:15,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:55:15,062 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:55:15,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:55:15,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:55:15,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:55:15,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:55:15,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:55:15,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:55:15,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:55:15,064 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:55:15,064 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:55:15,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:55:15,065 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:55:15,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:55:15,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:55:15,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:55:15,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:15,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:55:15,066 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:55:15,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:55:15,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:55:15,067 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:55:15,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:55:15,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:55:15,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:55:15,068 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_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-11-26 00:55:15,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:55:15,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:55:15,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:55:15,406 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:55:15,407 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:55:15,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-26 00:55:18,530 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:55:18,774 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:55:18,775 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-26 00:55:18,792 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/data/cb37679d7/8f4dbc1e33a54ffaa28913760cf6759d/FLAGe5dd4222d [2022-11-26 00:55:18,815 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/data/cb37679d7/8f4dbc1e33a54ffaa28913760cf6759d [2022-11-26 00:55:18,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:55:18,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:55:18,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:18,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:55:18,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:55:18,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:18" (1/1) ... [2022-11-26 00:55:18,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143b6e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:18, skipping insertion in model container [2022-11-26 00:55:18,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:18" (1/1) ... [2022-11-26 00:55:18,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:55:18,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:55:19,140 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:55:19,264 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:55:19,264 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:55:19,267 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:55:19,268 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_d53502da-077c-4475-88ac-128514f4f85e/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-26 00:55:19,269 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:55:19,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:19,283 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:55:19,311 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:55:19,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:55:19,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:55:19,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:55:19,349 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_d53502da-077c-4475-88ac-128514f4f85e/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-26 00:55:19,350 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:55:19,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:19,384 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:55:19,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:19 WrapperNode [2022-11-26 00:55:19,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:19,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:19,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:55:19,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:55:19,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:19" (1/1) ... [2022-11-26 00:55:19,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:19" (1/1) ... [2022-11-26 00:55:19,426 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-11-26 00:55:19,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:19,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:55:19,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:55:19,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:55:19,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:19" (1/1) ... [2022-11-26 00:55:19,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:19" (1/1) ... [2022-11-26 00:55:19,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:19" (1/1) ... [2022-11-26 00:55:19,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:19" (1/1) ... [2022-11-26 00:55:19,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:19" (1/1) ... [2022-11-26 00:55:19,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:19" (1/1) ... [2022-11-26 00:55:19,450 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:19" (1/1) ... [2022-11-26 00:55:19,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:19" (1/1) ... [2022-11-26 00:55:19,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:55:19,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:55:19,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:55:19,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:55:19,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:19" (1/1) ... [2022-11-26 00:55:19,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:19,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:55:19,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:55:19,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:55:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:55:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-26 00:55:19,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-26 00:55:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:55:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-26 00:55:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:55:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:55:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:55:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:55:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-26 00:55:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:55:19,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:55:19,539 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:55:19,671 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:55:19,673 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:55:19,850 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:55:19,987 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:55:19,988 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 00:55:19,988 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-11-26 00:55:19,989 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) [2022-11-26 00:55:19,997 INFO L158 Benchmark]: Toolchain (without parser) took 1174.18ms. Allocated memory is still 134.2MB. Free memory was 88.8MB in the beginning and 47.7MB in the end (delta: 41.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-26 00:55:19,998 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory was 103.0MB in the beginning and 103.0MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:55:19,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.20ms. Allocated memory is still 134.2MB. Free memory was 88.4MB in the beginning and 68.5MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-26 00:55:20,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.53ms. Allocated memory is still 134.2MB. Free memory was 68.5MB in the beginning and 66.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:55:20,000 INFO L158 Benchmark]: Boogie Preprocessor took 25.68ms. Allocated memory is still 134.2MB. Free memory was 66.5MB in the beginning and 65.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:55:20,001 INFO L158 Benchmark]: RCFGBuilder took 541.80ms. Allocated memory is still 134.2MB. Free memory was 65.0MB in the beginning and 47.7MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-26 00:55:20,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory was 103.0MB in the beginning and 103.0MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.20ms. Allocated memory is still 134.2MB. Free memory was 88.4MB in the beginning and 68.5MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.53ms. Allocated memory is still 134.2MB. Free memory was 68.5MB in the beginning and 66.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.68ms. Allocated memory is still 134.2MB. Free memory was 66.5MB in the beginning and 65.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 541.80ms. Allocated memory is still 134.2MB. Free memory was 65.0MB in the beginning and 47.7MB in the end (delta: 17.3MB). 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. [2022-11-26 00:55:20,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 00:55:22,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:55:22,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:55:22,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:55:22,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:55:22,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:55:22,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:55:22,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:55:22,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:55:22,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:55:22,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:55:22,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:55:22,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:55:22,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:55:22,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:55:22,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:55:22,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:55:22,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:55:22,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:55:22,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:55:22,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:55:22,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:55:22,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:55:22,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:55:22,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:55:22,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:55:22,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:55:22,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:55:22,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:55:22,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:55:22,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:55:22,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:55:22,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:55:22,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:55:22,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:55:22,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:55:22,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:55:22,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:55:22,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:55:22,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:55:22,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:55:22,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-11-26 00:55:22,583 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:55:22,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:55:22,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:55:22,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:55:22,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:55:22,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:55:22,585 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:55:22,586 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:55:22,586 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:55:22,586 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:55:22,586 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:55:22,586 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:55:22,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:55:22,587 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:55:22,587 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:55:22,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:55:22,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:55:22,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:55:22,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:55:22,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:55:22,589 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:55:22,589 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:55:22,589 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:55:22,589 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:55:22,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:55:22,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:55:22,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:55:22,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:55:22,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:55:22,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:55:22,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:55:22,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:22,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:55:22,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:55:22,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:55:22,592 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:55:22,592 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:55:22,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:55:22,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:55:22,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:55:22,593 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_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-11-26 00:55:22,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:55:22,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:55:22,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:55:22,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:55:22,992 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:55:22,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-26 00:55:26,049 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:55:26,323 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:55:26,323 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-26 00:55:26,334 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/data/070cce9d6/00f2ebafd4ca4c7495da1ec312d67197/FLAG38717f055 [2022-11-26 00:55:26,357 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/data/070cce9d6/00f2ebafd4ca4c7495da1ec312d67197 [2022-11-26 00:55:26,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:55:26,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:55:26,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:26,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:55:26,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:55:26,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:26,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d3bef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26, skipping insertion in model container [2022-11-26 00:55:26,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:26,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:55:26,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:55:26,620 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:55:26,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:55:26,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:55:26,798 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:55:26,800 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_d53502da-077c-4475-88ac-128514f4f85e/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-26 00:55:26,800 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:55:26,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:26,818 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:55:26,848 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:55:26,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:55:26,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:55:26,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:55:26,881 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-26 00:55:26,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:55:26,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:26,930 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:55:26,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26 WrapperNode [2022-11-26 00:55:26,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:26,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:26,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:55:26,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:55:26,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:26,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:27,007 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-11-26 00:55:27,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:27,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:55:27,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:55:27,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:55:27,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:27,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:27,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:27,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:27,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:27,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:27,074 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:27,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:27,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:55:27,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:55:27,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:55:27,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:55:27,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:26" (1/1) ... [2022-11-26 00:55:27,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:27,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:55:27,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:55:27,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:55:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 00:55:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-26 00:55:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-26 00:55:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-26 00:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 00:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-26 00:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-26 00:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:55:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:55:27,188 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:55:27,393 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:55:27,396 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:55:27,653 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:55:27,752 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:55:27,762 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 00:55:27,763 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-11-26 00:55:27,766 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) [2022-11-26 00:55:27,773 INFO L158 Benchmark]: Toolchain (without parser) took 1410.39ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 33.3MB in the beginning and 46.7MB in the end (delta: -13.4MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-11-26 00:55:27,774 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:55:27,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.23ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 33.2MB in the beginning and 48.3MB in the end (delta: -15.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-26 00:55:27,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.90ms. Allocated memory is still 81.8MB. Free memory was 48.3MB in the beginning and 46.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:55:27,777 INFO L158 Benchmark]: Boogie Preprocessor took 77.61ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 44.4MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:55:27,778 INFO L158 Benchmark]: RCFGBuilder took 680.30ms. Allocated memory is still 81.8MB. Free memory was 44.1MB in the beginning and 46.7MB in the end (delta: -2.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-11-26 00:55:27,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.23ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 33.2MB in the beginning and 48.3MB in the end (delta: -15.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.90ms. Allocated memory is still 81.8MB. Free memory was 48.3MB in the beginning and 46.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.61ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 44.4MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 680.30ms. Allocated memory is still 81.8MB. Free memory was 44.1MB in the beginning and 46.7MB in the end (delta: -2.6MB). Peak memory consumption was 6.6MB. 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. [2022-11-26 00:55:27,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53502da-077c-4475-88ac-128514f4f85e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?