./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:22:19,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:22:19,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:22:19,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:22:19,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:22:19,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:22:19,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:22:19,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:22:19,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:22:19,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:22:19,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:22:19,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:22:19,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:22:19,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:22:19,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:22:19,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:22:19,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:22:19,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:22:19,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:22:19,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:22:19,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:22:19,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:22:19,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:22:19,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:22:19,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:22:19,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:22:19,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:22:19,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:22:19,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:22:19,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:22:19,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:22:19,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:22:19,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:22:19,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:22:19,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:22:19,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:22:19,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:22:19,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:22:19,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:22:19,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:22:19,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:22:19,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:22:19,167 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:22:19,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:22:19,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:22:19,168 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:22:19,168 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:22:19,169 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:22:19,169 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:22:19,169 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:22:19,170 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:22:19,170 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:22:19,170 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:22:19,170 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:22:19,171 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:22:19,171 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:22:19,171 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:22:19,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:22:19,172 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:22:19,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:22:19,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:22:19,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:22:19,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:22:19,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:22:19,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:22:19,174 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:22:19,174 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:22:19,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:22:19,175 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:22:19,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:22:19,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:22:19,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:22:19,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:22:19,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:22:19,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:22:19,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:22:19,177 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:22:19,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:22:19,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:22:19,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:22:19,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:22:19,178 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_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-07 01:22:19,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:22:19,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:22:19,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:22:19,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:22:19,461 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:22:19,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-07 01:22:19,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/data/194b3da30/cfe4dbb191724355827072073a1557e1/FLAG4abbb446e [2021-11-07 01:22:20,266 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:22:20,266 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-07 01:22:20,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/data/194b3da30/cfe4dbb191724355827072073a1557e1/FLAG4abbb446e [2021-11-07 01:22:20,552 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/data/194b3da30/cfe4dbb191724355827072073a1557e1 [2021-11-07 01:22:20,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:22:20,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:22:20,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:22:20,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:22:20,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:22:20,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:22:20" (1/1) ... [2021-11-07 01:22:20,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e105a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:20, skipping insertion in model container [2021-11-07 01:22:20,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:22:20" (1/1) ... [2021-11-07 01:22:20,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:22:20,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:22:20,860 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-07 01:22:21,016 WARN L228 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_8008a85b-858d-4aa5-b89c-64277e44f4b3/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-07 01:22:21,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:22:21,031 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:22:21,047 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-07 01:22:21,074 WARN L228 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_8008a85b-858d-4aa5-b89c-64277e44f4b3/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-07 01:22:21,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:22:21,119 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:22:21,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:21 WrapperNode [2021-11-07 01:22:21,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:22:21,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:22:21,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:22:21,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:22:21,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:21" (1/1) ... [2021-11-07 01:22:21,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:21" (1/1) ... [2021-11-07 01:22:21,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:22:21,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:22:21,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:22:21,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:22:21,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:21" (1/1) ... [2021-11-07 01:22:21,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:21" (1/1) ... [2021-11-07 01:22:21,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:21" (1/1) ... [2021-11-07 01:22:21,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:21" (1/1) ... [2021-11-07 01:22:21,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:21" (1/1) ... [2021-11-07 01:22:21,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:21" (1/1) ... [2021-11-07 01:22:21,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:21" (1/1) ... [2021-11-07 01:22:21,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:22:21,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:22:21,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:22:21,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:22:21,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:21" (1/1) ... [2021-11-07 01:22:21,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:22:21,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:22:21,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:22:21,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:22:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:22:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-07 01:22:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-07 01:22:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:22:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-07 01:22:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:22:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:22:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:22:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-07 01:22:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:22:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:22:21,342 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 01:22:21,898 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:22:21,898 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-07 01:22:21,899 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-11-07 01:22:21,900 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:302) 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) [2021-11-07 01:22:21,906 INFO L168 Benchmark]: Toolchain (without parser) took 1347.62 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 69.6 MB in the beginning and 84.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:21,907 INFO L168 Benchmark]: CDTParser took 1.03 ms. Allocated memory is still 102.8 MB. Free memory was 55.7 MB in the beginning and 55.6 MB in the end (delta: 54.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:22:21,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.18 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 69.4 MB in the beginning and 104.8 MB in the end (delta: -35.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:21,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.05 ms. Allocated memory is still 138.4 MB. Free memory was 104.8 MB in the beginning and 103.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:21,910 INFO L168 Benchmark]: Boogie Preprocessor took 29.25 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 101.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:21,916 INFO L168 Benchmark]: RCFGBuilder took 688.91 ms. Allocated memory is still 138.4 MB. Free memory was 101.5 MB in the beginning and 84.8 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:21,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03 ms. Allocated memory is still 102.8 MB. Free memory was 55.7 MB in the beginning and 55.6 MB in the end (delta: 54.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 546.18 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 69.4 MB in the beginning and 104.8 MB in the end (delta: -35.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.05 ms. Allocated memory is still 138.4 MB. Free memory was 104.8 MB in the beginning and 103.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.25 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 101.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 688.91 ms. Allocated memory is still 138.4 MB. Free memory was 101.5 MB in the beginning and 84.8 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-07 01:22:21,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:22:24,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:22:24,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:22:24,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:22:24,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:22:24,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:22:24,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:22:24,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:22:24,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:22:24,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:22:24,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:22:24,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:22:24,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:22:24,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:22:24,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:22:24,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:22:24,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:22:24,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:22:24,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:22:24,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:22:24,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:22:24,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:22:24,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:22:24,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:22:24,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:22:24,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:22:24,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:22:24,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:22:24,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:22:24,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:22:24,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:22:24,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:22:24,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:22:24,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:22:24,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:22:24,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:22:24,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:22:24,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:22:24,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:22:24,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:22:24,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:22:24,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:22:24,699 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:22:24,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:22:24,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:22:24,701 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:22:24,701 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:22:24,702 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:22:24,702 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:22:24,702 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:22:24,702 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:22:24,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:22:24,705 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:22:24,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:22:24,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:22:24,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:22:24,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:22:24,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:22:24,707 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:22:24,707 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:22:24,707 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:22:24,707 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:22:24,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:22:24,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:22:24,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:22:24,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:22:24,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:22:24,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:22:24,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:22:24,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:22:24,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:22:24,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:22:24,710 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:22:24,710 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:22:24,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:22:24,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:22:24,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:22:24,712 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_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-07 01:22:25,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:22:25,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:22:25,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:22:25,128 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:22:25,129 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:22:25,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-07 01:22:25,214 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/data/fb9711ecc/599f29f6275c4ff0a54d666f24639acf/FLAGcb9ffdd77 [2021-11-07 01:22:25,865 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:22:25,866 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-07 01:22:25,882 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/data/fb9711ecc/599f29f6275c4ff0a54d666f24639acf/FLAGcb9ffdd77 [2021-11-07 01:22:26,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/data/fb9711ecc/599f29f6275c4ff0a54d666f24639acf [2021-11-07 01:22:26,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:22:26,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:22:26,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:22:26,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:22:26,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:22:26,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:22:26" (1/1) ... [2021-11-07 01:22:26,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2f46d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:26, skipping insertion in model container [2021-11-07 01:22:26,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:22:26" (1/1) ... [2021-11-07 01:22:26,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:22:26,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:22:26,418 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-07 01:22:26,617 WARN L228 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_8008a85b-858d-4aa5-b89c-64277e44f4b3/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-07 01:22:26,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:22:26,638 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:22:26,656 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-07 01:22:26,684 WARN L228 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_8008a85b-858d-4aa5-b89c-64277e44f4b3/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-07 01:22:26,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:22:26,735 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:22:26,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:26 WrapperNode [2021-11-07 01:22:26,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:22:26,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:22:26,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:22:26,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:22:26,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:26" (1/1) ... [2021-11-07 01:22:26,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:26" (1/1) ... [2021-11-07 01:22:26,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:22:26,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:22:26,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:22:26,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:22:26,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:26" (1/1) ... [2021-11-07 01:22:26,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:26" (1/1) ... [2021-11-07 01:22:26,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:26" (1/1) ... [2021-11-07 01:22:26,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:26" (1/1) ... [2021-11-07 01:22:26,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:26" (1/1) ... [2021-11-07 01:22:26,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:26" (1/1) ... [2021-11-07 01:22:26,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:26" (1/1) ... [2021-11-07 01:22:26,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:22:26,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:22:26,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:22:26,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:22:26,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:26" (1/1) ... [2021-11-07 01:22:26,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:22:26,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:22:26,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:22:26,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:22:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:22:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-07 01:22:26,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-07 01:22:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-07 01:22:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:22:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:22:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:22:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:22:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:22:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-07 01:22:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:22:26,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:22:26,922 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 01:22:27,525 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:22:27,525 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-07 01:22:27,526 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-11-07 01:22:27,527 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:302) 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) [2021-11-07 01:22:27,531 INFO L168 Benchmark]: Toolchain (without parser) took 1412.19 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.8 MB in the beginning and 35.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:27,532 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:22:27,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.87 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.6 MB in the beginning and 40.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:27,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.70 ms. Allocated memory is still 67.1 MB. Free memory was 40.5 MB in the beginning and 38.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:27,535 INFO L168 Benchmark]: Boogie Preprocessor took 33.25 ms. Allocated memory is still 67.1 MB. Free memory was 38.5 MB in the beginning and 36.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:22:27,536 INFO L168 Benchmark]: RCFGBuilder took 706.75 ms. Allocated memory is still 67.1 MB. Free memory was 36.9 MB in the beginning and 35.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:27,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 601.87 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.6 MB in the beginning and 40.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.70 ms. Allocated memory is still 67.1 MB. Free memory was 40.5 MB in the beginning and 38.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.25 ms. Allocated memory is still 67.1 MB. Free memory was 38.5 MB in the beginning and 36.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 706.75 ms. Allocated memory is still 67.1 MB. Free memory was 36.9 MB in the beginning and 35.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-07 01:22:27,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8008a85b-858d-4aa5-b89c-64277e44f4b3/bin/utaipan-UUZaoUuFF8/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?