./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:54:27,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:54:27,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:54:27,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:54:27,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:54:27,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:54:27,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:54:27,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:54:27,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:54:27,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:54:27,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:54:27,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:54:27,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:54:27,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:54:27,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:54:27,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:54:27,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:54:27,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:54:27,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:54:27,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:54:27,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:54:27,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:54:27,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:54:27,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:54:27,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:54:27,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:54:27,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:54:27,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:54:27,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:54:27,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:54:27,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:54:27,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:54:27,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:54:27,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:54:27,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:54:27,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:54:27,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:54:27,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:54:27,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:54:27,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:54:27,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:54:27,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-25 19:54:27,743 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:54:27,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:54:27,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:54:27,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:54:27,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:54:27,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:54:27,745 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:54:27,745 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:54:27,745 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:54:27,746 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:54:27,746 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:54:27,746 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:54:27,746 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:54:27,746 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:54:27,746 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:54:27,747 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:54:27,747 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:54:27,747 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:54:27,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:54:27,748 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:54:27,748 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:54:27,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:54:27,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:54:27,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:54:27,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:54:27,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:54:27,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:54:27,750 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-25 19:54:27,750 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:54:27,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:54:27,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:54:27,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:54:27,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:54:27,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:54:27,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:54:27,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:54:27,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:54:27,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:54:27,752 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:54:27,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:54:27,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:54:27,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:54:27,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:54:27,753 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-25 19:54:27,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:54:27,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:54:27,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:54:28,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:54:28,001 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:54:28,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-25 19:54:28,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/data/28cedadbe/9daaad22bfa740008a208071126826ec/FLAG7128a2e40 [2021-11-25 19:54:28,664 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:54:28,668 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-25 19:54:28,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/data/28cedadbe/9daaad22bfa740008a208071126826ec/FLAG7128a2e40 [2021-11-25 19:54:28,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/data/28cedadbe/9daaad22bfa740008a208071126826ec [2021-11-25 19:54:28,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:54:28,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:54:28,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:54:28,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:54:28,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:54:28,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:54:28" (1/1) ... [2021-11-25 19:54:28,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fce2af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:28, skipping insertion in model container [2021-11-25 19:54:28,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:54:28" (1/1) ... [2021-11-25 19:54:28,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:54:29,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:54:29,250 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-25 19:54:29,387 WARN L230 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_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-25 19:54:29,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:54:29,397 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:54:29,411 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-25 19:54:29,450 WARN L230 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_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-25 19:54:29,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:54:29,504 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:54:29,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:29 WrapperNode [2021-11-25 19:54:29,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:54:29,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:54:29,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:54:29,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:54:29,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:29" (1/1) ... [2021-11-25 19:54:29,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:29" (1/1) ... [2021-11-25 19:54:29,590 INFO L137 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2021-11-25 19:54:29,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:54:29,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:54:29,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:54:29,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:54:29,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:29" (1/1) ... [2021-11-25 19:54:29,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:29" (1/1) ... [2021-11-25 19:54:29,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:29" (1/1) ... [2021-11-25 19:54:29,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:29" (1/1) ... [2021-11-25 19:54:29,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:29" (1/1) ... [2021-11-25 19:54:29,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:29" (1/1) ... [2021-11-25 19:54:29,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:29" (1/1) ... [2021-11-25 19:54:29,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:54:29,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:54:29,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:54:29,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:54:29,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:29" (1/1) ... [2021-11-25 19:54:29,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:54:29,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:54:29,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:54:29,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:54:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:54:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-25 19:54:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-25 19:54:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:54:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 19:54:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:54:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:54:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:54:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:54:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 19:54:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:54:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:54:29,710 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 19:54:29,810 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:54:29,812 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:54:30,142 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:54:30,289 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:54:30,289 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 19:54:30,290 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2021-11-25 19:54:30,291 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:304) 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) [2021-11-25 19:54:30,295 INFO L158 Benchmark]: Toolchain (without parser) took 1330.49ms. Allocated memory is still 123.7MB. Free memory was 87.4MB in the beginning and 58.0MB in the end (delta: 29.4MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-11-25 19:54:30,296 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 77.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:54:30,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.77ms. Allocated memory is still 123.7MB. Free memory was 87.2MB in the beginning and 88.0MB in the end (delta: -831.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 19:54:30,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.93ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:54:30,298 INFO L158 Benchmark]: Boogie Preprocessor took 34.61ms. Allocated memory is still 123.7MB. Free memory was 85.9MB in the beginning and 83.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:54:30,299 INFO L158 Benchmark]: RCFGBuilder took 658.42ms. Allocated memory is still 123.7MB. Free memory was 83.7MB in the beginning and 58.0MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-25 19:54:30,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 77.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.77ms. Allocated memory is still 123.7MB. Free memory was 87.2MB in the beginning and 88.0MB in the end (delta: -831.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.93ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.61ms. Allocated memory is still 123.7MB. Free memory was 85.9MB in the beginning and 83.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 658.42ms. Allocated memory is still 123.7MB. Free memory was 83.7MB in the beginning and 58.0MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 19:54:30,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:54:32,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:54:32,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:54:32,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:54:32,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:54:32,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:54:32,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:54:32,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:54:32,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:54:32,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:54:32,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:54:32,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:54:32,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:54:32,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:54:32,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:54:32,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:54:32,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:54:32,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:54:32,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:54:32,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:54:32,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:54:32,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:54:32,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:54:32,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:54:32,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:54:32,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:54:32,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:54:32,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:54:32,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:54:32,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:54:32,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:54:32,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:54:32,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:54:32,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:54:32,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:54:32,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:54:32,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:54:32,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:54:32,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:54:32,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:54:32,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:54:32,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2021-11-25 19:54:32,843 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:54:32,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:54:32,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:54:32,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:54:32,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:54:32,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:54:32,845 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:54:32,846 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:54:32,846 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:54:32,846 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:54:32,847 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:54:32,847 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:54:32,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:54:32,849 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:54:32,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:54:32,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:54:32,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:54:32,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:54:32,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:54:32,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:54:32,850 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-25 19:54:32,850 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:54:32,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:54:32,851 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:54:32,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:54:32,851 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:54:32,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:54:32,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:54:32,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:54:32,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:54:32,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:54:32,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:54:32,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:54:32,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:54:32,853 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:54:32,854 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:54:32,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:54:32,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:54:32,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:54:32,855 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_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-25 19:54:33,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:54:33,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:54:33,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:54:33,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:54:33,249 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:54:33,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-25 19:54:33,317 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/data/aed369274/8eba20191c914cc8bf27e89b507c3250/FLAGa9cc5b992 [2021-11-25 19:54:33,829 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:54:33,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-25 19:54:33,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/data/aed369274/8eba20191c914cc8bf27e89b507c3250/FLAGa9cc5b992 [2021-11-25 19:54:34,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/data/aed369274/8eba20191c914cc8bf27e89b507c3250 [2021-11-25 19:54:34,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:54:34,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:54:34,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:54:34,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:54:34,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:54:34,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:54:34" (1/1) ... [2021-11-25 19:54:34,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3953b5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:34, skipping insertion in model container [2021-11-25 19:54:34,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:54:34" (1/1) ... [2021-11-25 19:54:34,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:54:34,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:54:34,424 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-25 19:54:34,677 WARN L230 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_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-25 19:54:34,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:54:34,697 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:54:34,732 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-25 19:54:34,771 WARN L230 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_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-25 19:54:34,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:54:34,821 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:54:34,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:34 WrapperNode [2021-11-25 19:54:34,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:54:34,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:54:34,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:54:34,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:54:34,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:34" (1/1) ... [2021-11-25 19:54:34,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:34" (1/1) ... [2021-11-25 19:54:34,901 INFO L137 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2021-11-25 19:54:34,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:54:34,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:54:34,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:54:34,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:54:34,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:34" (1/1) ... [2021-11-25 19:54:34,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:34" (1/1) ... [2021-11-25 19:54:34,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:34" (1/1) ... [2021-11-25 19:54:34,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:34" (1/1) ... [2021-11-25 19:54:34,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:34" (1/1) ... [2021-11-25 19:54:34,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:34" (1/1) ... [2021-11-25 19:54:34,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:34" (1/1) ... [2021-11-25 19:54:34,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:54:34,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:54:34,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:54:34,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:54:34,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:54:34" (1/1) ... [2021-11-25 19:54:35,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:54:35,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:54:35,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:54:35,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:54:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 19:54:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-25 19:54:35,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-25 19:54:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 19:54:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:54:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:54:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:54:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 19:54:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 19:54:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 19:54:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 19:54:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:54:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:54:35,098 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 19:54:35,279 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:54:35,291 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:54:35,657 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:54:35,886 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:54:35,887 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 19:54:35,887 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2021-11-25 19:54:35,888 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:304) 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) [2021-11-25 19:54:35,892 INFO L158 Benchmark]: Toolchain (without parser) took 1708.69ms. Allocated memory was 52.4MB in the beginning and 73.4MB in the end (delta: 21.0MB). Free memory was 27.2MB in the beginning and 44.0MB in the end (delta: -16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-25 19:54:35,893 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:54:35,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.39ms. Allocated memory was 52.4MB in the beginning and 73.4MB in the end (delta: 21.0MB). Free memory was 26.9MB in the beginning and 45.4MB in the end (delta: -18.5MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-25 19:54:35,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.36ms. Allocated memory is still 73.4MB. Free memory was 45.2MB in the beginning and 42.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:54:35,896 INFO L158 Benchmark]: Boogie Preprocessor took 70.04ms. Allocated memory is still 73.4MB. Free memory was 42.7MB in the beginning and 40.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:54:35,897 INFO L158 Benchmark]: RCFGBuilder took 917.54ms. Allocated memory is still 73.4MB. Free memory was 40.4MB in the beginning and 44.0MB in the end (delta: -3.6MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-25 19:54:35,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.39ms. Allocated memory was 52.4MB in the beginning and 73.4MB in the end (delta: 21.0MB). Free memory was 26.9MB in the beginning and 45.4MB in the end (delta: -18.5MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.36ms. Allocated memory is still 73.4MB. Free memory was 45.2MB in the beginning and 42.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.04ms. Allocated memory is still 73.4MB. Free memory was 42.7MB in the beginning and 40.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 917.54ms. Allocated memory is still 73.4MB. Free memory was 40.4MB in the beginning and 44.0MB in the end (delta: -3.6MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 19:54:35,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8070d0-d511-49f9-9adb-3d32f7a2ec9c/bin/utaipan-eEHZpOm5b7/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?